"" -.._---- --....-

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ATOLL RESEARCH BUlU3Tm

""

-.._---- ---....-

No. 1 0 6

New records c\f E7alimed.a and Udotea for the Pacific area by

Edwin T. Moul

Issued by

THE

PACIFIC SCIENCE BOARD

National Academy of Sciences--National Research Council Washington, D. C.

September 30, 1964

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New r e c o r d s o f Halimeda and Udotea f o r t h e P a c i f i c a r e a

The c o l l e c t i o n s o f halimeda and Udotea r e p o r t e d h e r e c o n s t i t u t e new r e c o r d s f o r t h e P a c i f i c a r e a . Knowledge o f t h e d i s t r i b u t i o n o f t h e s e g e n e r a f o r t h e P a c i f i c Ocean i s f a r from c o m p l e t e , s o t h e pub- l i c z . t i o n of t h e s e r e c o r d s w i l l h e l p t o f i l l t h e s a p s .

Time f o r t h e s t u d y w a s made p o s s i S l e thi-okzh t h e a i d o f 2. F z c u l t y F e l l o w h i p 2rani;ed by t h e i ? e s e ; l r c ~ ~ Council o f Rutgers-The S t a t e Uni- v e ~ s i t y . 'The facilities and l i b r a r y c f t h e iiarinc: 13iological L a b o r a t o r y a t Woods H o l e , i,!assachusetts were made s v a i l a - b l e through t h e c o u r t e s y of t h e L a b o r a t o r y IIanagement.

The nomenclature used i s t h a t o f t h e monograph by H i l l i s (1959).

The c o l l e c t i o n s r s p o r t e d h e r e were macl.e by t h e f o l l o w i n g people:

J. T. Conover

1945-46

Guam, S a i p a n

,

^Okinawa

Leonard Borwitz

1951

Arno, M a r s h a l l I s l a n d s

F. E. Fosberg 1951-52 N o r t h e r n N a r s h a l l I s l a d s I h x w e l l Do t y 1952 R a r o i a

,

Tuamotu A r c h i p e l a g o

1953

J o h n s t o n I s l a n d , ~ ~ d P h i l i p p i n e s

W. J

.

^Newhouse

¹⁹⁵⁴

Kapingamzrangi, C c v o l i n e I s l a n d s

E. J . Kuenzler

1956

Okinawa

Specimens have been d i s t r i b u t e d t o t h e f o l l o w i n g h e r b a r i a :

U n i v e r s i t y of I " ; a w a i i , iIonolulu; United S t a t e s F a t i o n a l I i e r b a r i m , Wash- i n g t o n , 3. C.; C h r y s l e r H e r b a r i u a , Rutgers-The S t a t e U n i v e r s i t y , New Brunswiclr, IV. J . ; and U n i v e r s i t y of C z l i f o r r i i a Herbarium, Berkeley.

Some d u . p l i c a t e s have been s e n t t o Kew York E o t a n i c a l Garden, S r o n x ,

IY. Y. ; W. R. T a y l o r , U n i v e r s i t y of N i ~ h i g ~ , Ann k r b o r , and L. Y e

K i l l i s at P a l e U n i v e r s i t y .

k n o A t o l l , i l a r s h a l l I s l a n d s

( ~ a c i f i c S c i e n c e Board E x p e d i t i o n

-

¹⁹⁵¹⁾

T h i s c o l l e c t i o n , i n c l u d i n g 9 s s e c i e s o f Halimeda, w a s made by Leonard Worwitz, whose c o l l e c t i o n numbers i d e n t i f y t h e specimens.

Botany D e p a r t m n t , Rutgers-The S t a t e U n i v e r s i t y of New J e r s e y .

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Halimeda l a c u n a l i ~ T a y l o r

On lagoon r e e f f l a t and on t h e downward s l o p e t o a d e p t h of

30

f e e t . I n e V i l l a g e : ME 9084,

15

J u l y .

-

Halimeda l a c u n a l i s T a y l o r f . l a c u n a l i s ,

On upper and lower s u r f a c e s o f r o c k i n 20-30 f e e t o f w a t e r , downward s l o p e beyond lagoon r e e f r i d g e .

I n e V i l l a g e : MD 9076B, MD 9 0 7 6 ~ ~

15

J u l y .

-

Halimeda d i s c o i d e a Decaisne

Growing on t h e drop-off of lagoon r e e f , n o t deeper t h m 1 0 f e e t a t h i g h t i d e . Shaded by overhanging r o c k s and c o r a l s .

I n e V i l l a g e : 9720B, 27 .!!ug.

-

Halimeda t a e n i c o l a Taylor

On lagoon r e e f P l a t and t h e downward s l o p e o f lagoon r e e f . Shaded by c o r a l o r r o c k s 1 7 n some c a s e s .

I n e V i l l a g e : 9072C, 9072D, 1 0 J u l y ; 9577,

9599,

17 Aug.; 9675,

-

9676,

9683,

22 Lug.

Halimeda o p u n t i a (L.) Lam. v. o p u n t i a

H i l l i s (1959) h a s p l a c e d t h e t y p i c a l s p e c i e s and i t s many i n t e - g r a t e d forms i n v. o p u n t i a . It was p o i n t e d o u t by Moul (1959) t h a t f r e q u e n t l y one d e s c r i b e d growth for!il suddenly changed t o a n o t h e r on t h e same p l a t , t h e r e f o r e t h e p l a c i n g of t h e s e forms h e r e seems l o g i c a l .

Found on lagoon f l a t 2nd doxnvard s l o p e beyond lagoon r e e f r i d g e t o 30 f e e t . Also on ocean r e e f f l a t =and i n d r o p o f f on ocean s i d e t o

15

f e e t . I n c r a n n i e s and under r a c k s and c o r a l s , f r e q u e n t l y shaded. h a t e r i a l c o l l e c t e d from t h e ocean r e e f , i n d i v i d u a l segments v e r y small, 3-4 mm v i d e by

4-5

mm long.

I n e I s l a n d : 90728, 9O72B, 9072?, 1 0 J u l y ; 9081tD,

15

J u l y ;

9161,

-

27 J u l y ; 9162, n o t d a t e d ;

9359, 6

^1:ug.i 9471, 1 0 Aug.; 9525, 9526, 9528 9529

,

⁹⁵³⁰

1 4

Aug ; 9546

,

⁹⁵⁴⁷

, 9549

⁹

15

^{Aug. i}

9577A 17

Aug

.

^;9548, 9674, 22 ~ u g

.

^;97206, 27 hug.

A t t h e i n s h o r e end of a l o n g chasm, ocean r e e f . Kabinl& I s l a n d : 9094, 20 J u l y .

Balimeda f r a g i l i s Taylor

On lagoon r e e f drop o f f . I n e V i l l a g e :

9673,

22 Aug.

-

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Halimeda micronesica Yamada

Beyond and below t h e ocean r e e f r i d g e , on r o c k mass i n 30 f e e t o f water.

Eduk I s l a n d : 90?+, 7 J u l y .

-

Downward s l o p e o f lagoon r e e f r i d g e i n 20-30 f e e t o f water.

I n e V i l l a g e : 9 0 7 6 ~ , PI 3084B, WD Y084G,

15

J u l y .

-

S h e l t e r e d a r e a a t low water mark i n a chasm of t h e ocean r e e f r i d g e .

Kabinlak I s l a n d : 9093, 20 J u l y * Halimeda i n c r a s s a t a ( E l l i s ) Lam.

A l l i n 20-30 f e e t o f wzter on downward s l o p e , beyond lagoon r e e f r i d g e .

I n e V i l l a g e : MD 908?1.c, Pill 90842, MD 9O84F,

15

Aug

.

-

Halimeda c g l i n d r a c e a Decsisne

On lagoon r e e f f l a t o r downward s l o p e t o a depth of 30 f e e t , One c o l l e c t i o n from over t h e edge of t h e r e e f on t h e ocean s i d e of t h e i s l a n d .

I n e V i l l a g e : 9072G, 1 0 J u l y ; %84Ii,

15

J u l y ; 9 1 6 ~ 3 , 27 J u l y ;

3 5 ~ ,

22 Aug.

Halimeda s t u p o s a Taylor On lagoon r e e f f l a t .

I n e V i l l a g e : 9043, 90723, 1 0 J u l y .

-

Sandy f l o o r o f lagoon r e e f . Matol-en I s l e t : 9492, 1 2 Aug.

Northern Ptarshall I s l a n d s 1951-1952

The a l g a e recorded h e r e were c o l l e c t e d on t h e United S t a t e s Geological Survey Zxpedition " P r o j e c t A t o l l I 1 , 1951-1952, \lrhich v i s i t e d t h e Northern Piarshall I s l a n d s . m e n a r r a t i o n of t h e t r i p and a d e s c r i p - t i o n of t h e a t o l l s v i s i t e d have been w r i t t e n by Fosberg (1955) who made t h e a l g a l c o l l e c t i o n s .

Ealimeda l a c u n a l i s Taylor f . l a x a ( T e y l o r ) H i l l i s

On t h e southwest r e e f , i n c a v i t i e s i n t h e upper s u r f a c e ^ofc o r a l clumps on t h e deeper p a r t of t h e r e e f f l a t . P l a n t s t r u n c a t e d a t t h e c o r a l s u r f a c e .

B i k a r A t o l l : Bikar I s l e t , 34554A, 7 kug. 1952.

--

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Halirneda t a e n i c o l a T a y l o r

On t h e d e e p e s t p a r t of t h e r e e f f l a t , on g r a v e l covered by a t h i n l a y e r of sand.

Ailuk A t o l l : A i l u k I s l e t , 33919, 25 Dec. 1951.

--

On t h e seaward r e e f f l a t , n e a r t h e o u t e r edge, j u s t below low t i d e l e v e l .

Kwajalein

-

A t o l l : Lo j j a v i o k I s l e t , 34113, 15 Jan.

1951.

I n small h o l e s i n t h e s u r f a c e of t h e leeward r e e f i n t h e lagoon, j u s t exposed a t low t i d e .

Pokalc A t o l l : S i b y l l a I s l e t , 34537, 26 J u l y 1952.

--

F i r s t two c o l l e c t i o n s from c a u i t i e s i n t h e d.eeper p a r t o f t h e r e e f f l a t ; t h i r d i n a moat on t h e o u t e r s i d e of t h e r i d g e , exposed t o wave z c t i o n .

Bikar A t o l l : BFkar I ~ l c t , 3455% 34560, 7 kug. 1952.

--

J a l i l r l i l c I s l e t

,

34585, 9 Aug. 1352.

Halirneda o p u n t i a (L. ) Lam. v. o p u n t i a

I n c r e v i c e s becween roclcs i n t h e d.eepest p a r t of t h e channel, a t extreme low t i d e mark, passnge e a s t of Eneinanet I s l e t . Lae A t o l l : Ehemanet I s l e t , 34085, 10 Jm. 1952.

--

On t h e sandy and rocky bottom of t h e r e e f f l a t and between cora.1 c l u n p s

,

below low t i d e l e v e l .

U,jae toll: Bock I s l e t ,

34349,

19 Feb. 1952.

Wojia I s l e t , 3 4 3 6 9 ~ ~

4

iviarch 1952.

A bleached specimen w a s c o l l e c t e d i n t h e wash a l o n g t h e beach.

Wotho A t o l l : Eneobnak I s l e t , 34443, 20 iiarch 1952.

--

I n small h o i e s on t h e leeward r e e f i n t h e l a g c o n , j u s t exposed a t low t i d e .

Pokak I i t o l l : S i b y l l a I s l e t ,

34536,

25 J u l y 1452.

--

Halirneda micronesica Yamada

From small h o l e s i n t h e leeward r e e f i n t h e l a g o o n , j u s t exposed a t low t i d e , w i t h H_. o i ~ u n t i a , and H_. t a e n i c o l a .

Pokak A t o l l : S i b y l l a I s l e t , 34535, 26 J u l y 1952.

Halirneda s t u p o s a T a y l o r

On t h e bottom of t h e lagoon a t t h e end of tlie South mesage.

L i k i e p A t o l l : Lado I s l e t ,

33837,

15 Dec.

1951.

Common on t h e sandy bottom of t h e l a g o o n , below h i g h t i d e l e v e l . The h o l d f a s t w a s d e e ~ ~ l y embedded i n tlie sand of t h e r e e f f l a t . 3.jeizng A t o l l : Ujelang I s l e t , 34190,

4

Feb. 1952.

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Common on t h e sandy bottom a t extreme low t i d e l e v e l . dotho r i t o l l : \.lotho is1.e t

,

^%@t, 1 2 Feb. 1952.

--

Along t h e lagoon beach with

H.

o u i l t , .

U ' a e A t o l l : wo j i a I s l e t , 3 4 3 8 & T B ~ c h 1952.

2-

Udotea a r g e n n t e a Z a n a r d i n i f . tglsica A. S( 3. 2 . &pis

&bedded i n c o r a l sand an3 g r a v e l a t t h e bottom of t h e lagoon.

L i k i e p

-

? . t o l l : Lado I s l e t , 33833,

15

Dec. 1951.

On t h e r e e f f l a t w i t h H~:lir.ledn t a e n i c o l a ; t h e s u b s t r a t e , s m d covered g r a v e l o r P o r i t e s c o r a l .

Ailuk

--

A t o l l : Ailuk I s l e t , 33520, 26 3ec. 1.951; 33343, 33749, 33950, 339.51, 27 Dec. 1951.

Udotea i n d i c a A. ?: 2. S. Gepp

On r o c k f l o o r of t h e r e e f f l a t n e s r t h e o u t e r edge.

.+,iluk A t o l l : k i i u k I s l e t , 33982, 28 3ec. 1951.

--

R a r o i a

arcla la?^

de T o l l e y ) A t o l l Tuamo t u i i r c h i p e l a g o

( P a c i f i c S c i e n c e 3oard L x p e d i t i o n

-

1952)

Only 2 s ~ e c i e s of Laliineda were i n t h e c o l l e c t i o n o f i.?amrell Doty

and b,!. J . IVewhouse from d a r o i a i i t o l l . Doty r e p o r t s (1954) t h a t no l i v i n g

Ezlimeda were dredged from t h e bottom o f t h e lagoon, b u t t h e s i d e s of r e e f p a t c h e s were c l o t h e d with t h i s genus and Caulerpa.

halimeda d i s c o i d e a Decaisne

-.

-

Lerge w e l l developed p l a n t s g r o w i n g on c o r a l p a t c h e s i n 1 0 f e e t of water. P l a n t s from 1 2 t o 30 cn t a l l .

Jakeke and Obreroa I s l e t s : 11159, 9 J u l y ; 11492, 2 Aug. ^;11636,

-- -

8

Aug.

A 1 1 small, depauperate p l a n t s , growlng i n h o l e s on i n s i d e edge o f lagoon r e f . One i n h o l e of b o r i n g u r c h i n .

Iiukina

and

N~arurnaoa I s l e t s : l l 2 3 l , 18 J u n e ;

11804, 1 6

14ug. ; 12154, 3 S e p t

.

Halimeda t a e n i c o l a Taylor

----

Outer r e e f p k a , i n c u r r e n t a r e a i n overgrown s u r g e channel.

12162, 3 S e p t .

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P h i l i p p i n e I s l a n d s

C o l l e c t e d by Waxwell S. Doty on t h e e a s t s h o r e ~ f Faniquian I s l a n d , P u e r t o S a l e r o

,

^Windoro

.

Halimedn

. - o p u n t i a (L.) h m . v. o p u n t i a P l a n t s w i t n v e r y small segments.

12345, 2 Dec. 1353.

Halimeda macroloba Decaisne

J o h n s t o n I s l m d

C o l l e c t e d by i.iaxwell S. Doty, n o r t h o f n o r t h e a s t end o f s e a p l a n e runway.

Balimeda t u n a ( E l l i s and S o l a n d e r ) Lam.

Ilawaiian I s l a n d s

C o l l e c t e d by Waxwell S. Doty and 13. J . Newhouse a t K a i l u a beach on O&u.

Halimeda g r a c i l i s Harvey e x J . Hgardh

i/ashed o n t o t h e beach. P l a n t s s t r a g g l i n g and decu~nbent.

12423, 13 iiarch 1954.

Kapingamarangi A t o l l , C a r o l i n e I s l a n d s ( p a c i f i c S c i e n c e Board d x p e d i t i o n

-

¹⁹⁵⁴⁾

T h i s c o l l e c t i o r , o f 9 s p e c i e s , was made by ! I / . J . Newhouse, whose c o l l e c t i o n numbers i d e n t i f y t h e specimens.

Halimeda l x u n a l i s T a y l o r f . l a c u n a l i s

I n l a g o o n of t h e a t o l l , . a t 2-10 f e e t ; a l l 011 c o r a l w i t h one e x c e p t i o n , t h i s growing t o

35

cm l o n g , at 2 f e e t d e p t h , i n a r u s t e d LCM.

1103,

8

J u l y ; 1422, 3 Aug

.

^;l 5 l 2 B ,

7

Aug. ;

1613,

1 4 Aug.

Halimeda 1 a c u r : a l l s T a y l o r f

. ^lata

( ~ a y l o r ) i i i l l i s

On t h e s e a r e e f o p p o s i t e Touhou,

5

;:eters from t h e senward margin.

1022, 28 June.

(8)

--

I n

6

f e e t water a t low t i d e on b.m.nching c o r a l , lagoon r e e f . 1515, 7 Rug*

I n 1 0 f e e t water i n a c a v e r n o f a n i c r o - a t o l l . 1529, 7 UUZ*

Hal.imeda t a e n i c o l n Taylor

The macroscopic appearance of t h i s taxor. v a r i e s c o n s i d e r a b l y , b u t t h e arrangement of n o d a l f i l m e n t s and t h e presence o f t h r e e l a y e r s of u t r i c l e s ~ i t h t h e t h i r d l a y e r t h e l a r g e s t i n d i a m e t e r , i s common t o a l l of t h e specimens r e p r e s e n t e d .

On t h e sesward r e e f , o v < r t h e edge i n 10 f e e t of w a t e r , i n t h e channel.5 of t h e r e e f and on r e e f f l a t ir Atzipniroz zone. L l s o i n lagoon, i n shaded a r e z s on c o r a l x e s u s , m ' i c r o - , a t o l l s and c o r a l h e a d s , from 2 t o 1 0 f e e t o f w a t e r ,

1009, 24 June ; 103G, 29 J u n e ; 1105, 1106, 1107,

8

J u l y ; 1223, 1224, 2 1 J u l y ; 1520,

7

Aug. ; 1570,

9

kug. ; 1590, 1 2 Aug.

H s l i n e d a o p u n t i a ( L . ) Lam. v. o p u n t i a

--

I n t h e lagoon a t ].ow t i d e l e v e l t o 1 0 f e e t . On seaward r e e f i n t h e Amphiroa zone, p l a n t s w i t l l v e r y small s e g e l t s .

1008; 24 J m e ; 1015, 25 J u n e ; 1024, 28 J u n e ; 1031, 1042, 29 J u n e ; 1100,

8

J u l y ;

1518, 7

Aug. ;

1580, 1581,

11 Aug. ; 1603, 1604, 1605, 1 Aug.

Balirneda o p u n t i a (L.) Lam. v . h e d e r a c e a

--

arton on) H i l l i s

T h i s v a r i e t y h a s l a r g e r segments and is v e r y h e a v i l y c e l c i f i e d . P l a n t s r e s e m b l i n g t h e s e and 2 i a c e d i n t h i s v a r i e t y were common on Onotoa, G i l b e r t I s l a n d s (240~1, 1959)

.

Mostly i n t h e l a g ~ o n a t

4-15

f e e t . Two specimens from western r i m o f a t o l l on lagoon sid.e of seaward r e e f ^{a t}

5

f e e t .

1017, 26 J u n e ; 1029, 29 J u n e ; 1237, 2 1 J u l y ; 1578, 11 Aug. ; 1692, 1 2 kug.; 1645, 1 9 Aug.

Halirneda f r a g i l i s T a y l o r

I n lagoon a t 272-15 f e e t , most o f them pendulous o r under overhangs on c o r a l s o r m i c r o - a t o l l s .

1G30, 2 , . J u n e ; 11002, 1102,

2

J u l y ; 1266, 22 G u l y ; 1519,

7

Aug.;

1556, 9

^Aug.; 1579, 11 Aug.; 1591, 1 2 Aug.

(9)

Halimeda m i c r o n e s i c a Yamada

I n lagoon a t 4-10 f e e t , on b a s e of c o r a l s , c o r a l mesas, o r micro- a t o l l s , f r e q u e n t l y on shaded u n d e r s i c - e . 'Three specimens on s e a - ward r e e f , on t h e margin and o v e r t h e edge a t 1 0 f e e t .

1 0 0 7 , 24 J u n e ; 1023, 28 J u n e ; 1 0 3 5 , 29 J u n e ; 1104,

2

J u l y ; 1225, 2 1 J u l y ; 1510, 1521,

7

Aug.; 1592, 1 5 9 3 , 1 2 Aug.

Halimeda i n c r a s s a t a ( E l l i s ) Lam.

I n l a g o o n , one p l a n t a t

15

f e e t , on b a s e o f b r a n c h i n g c o r a l ; a s e c o n d , small s p x 5 m e n a t 4 f e e t w i t h

E.

o p u n t i a on a c o r a l mesa.

1 5 7 7 , 11 Aug

.

^;1 6 0 2 ~ ~ 1 2 Aug.

Halimeda c y l i n d r a c e a Decaisne

--

On l a g o o n r e e f , t o

15

f e e t , arcund b a s e s o f massive c o r a l s . I n c h a n n e l s between i s l a n d s a - t 2 f e e t . P l a n t 1034, c o l l e c t c d on J u q e 3Oth, covered w i t h gametangia.

1028, 29 J u r e ; 1034, 30 J u n e ( g a n e t a n g i a ) ; 1 1 0 1 ,

8

J u l y ; 1 5 2 3 , 11 Aug.

Halimeda s t u p o s a T a y l o r

I n lagoon on sand f l a t s ; one p l a n t from w e s t e r n r i m o f a t o l l . U s u a l l y i n s h a l l o w w a t e r , b u t found t o

6

f e e t . One p l a n t o n l y 7%

cm t a l l had a massive h o l d f a s t , 10% ccn l o n g by

5'h

ccm broad.

1016,

25 J n l y ; 1301, 27 J u l y ; 1400, 3 Aug.

Guam

-

The f c u r s p e c i e s o f Iialimeda r e p o r t e d h e r e f o r Guam were c o l l e c t e d by J , T. Conover i n i945.

Halirneda l a c u n a l i s 'Taylor

--

On sandy bottom n e a r s h o r e and on c o r a l bloclts I n s h a l l o w water.

Abundant.

Agat Bax: 50 y a r d s e a s t of Neye 1sle.nd. 720,

8

A p r i l , Halimeda o p u n t i a (L.) Lam. v. o p u n t i a

On sandy b o t t o n n e a r s h o r e and on c o r a l s h e l f , m i d r e e f .

Asan p o i n t : 3002, 1 4 J a n . ; 3 O C l (760)

,

²^Feb.^;^Vr?,2 1 March.

-

Halimeda c y l i n d r a c e a Decaisne

I n s h a l l o w w a t e r , midreef on sandy bottom.

A a t Eay : Rear Neye I s l a n d . 706,

8

A p r i l ,

L-

(10)

-9-

Halimeda macroloba Dscaisne

I n shallow w a t e r , sandy bottom, on c o r a l f r i nge r e e f . P1 c o l l e c t e d on Feb. 5th. was covered with g m e t a n g i a .

a n t 401,

On2 s p c i m e n of Halilneda frorr, S a i p m was i n c l u z e d i n J . T. Con- o v e r ' s n ~ a t e r i a l for

1945.

Halimeda macroloba Decaisne

--

A b ~ n d . ~ t i n shallow water. Sandy bottom i n b a s i n s between c o r a l heads, w i t h i n i n n e r r e e f b a r r i e r and. on cpen c c r a l f l a t s seawcrd one mile on t h e 3 mile r e e f area.

Tanapag Harbcr: 757, 22 A p r i l .

Okinawa

'The c o l l e c t i o n s r e p o r t e d were made by J. T. Conover i n 1945-46, and E. J. Kuenzl2r i n 1956.

Very young, fragmentary p l a n t s . Conovzr 3 0 ~ 4 , 20 Aug. 1945.

Halilneda o p u n t i a (La.) Lam. v . p m t i a Conover 3003, 20 4ug. 1945.

Halimeda

---

o p u n t i a (L.) Lam. v. hederacea arton on) Zillis I n t i d e pool on c o r a l s h e l f , % mile o f f shore.

Onno

-

Peninsula: Conver 7Z1, 10 J u l y 1945.

Halimeda i n c r a s s a t a ( ~ l l i s ) Lam.

--

On s a n d ~ bottom i n 4 f e e t of water, t o 200 y a r d s seaward.

Kanna KO: Conover 79C, 20 2ept. 1945.

--

On c o r a l f l a t s , shallow water.

w:

^Conover

^850,

1 5 liarch 1946.

Sand and c o r a l i n t e r t i d a l zone.

~ o l o P o i n t : icuenzler

186,

187,

1Z8,

29 Aug. 1956.

--

(11)

Halimeda simulans Howe

On c o r a l s i l l o f s h o r e r e e f .

Y o n m a r u : Conover 736, G Oct

.

^1945.

On g e n t l y s l o p i n g sand and c o r a l beach.

Bolo P o i n t : Icuenzler, 1 4 3 , 1 4 9 , 150,

185,

1 9 Aug. 1956;

7

--

198, 199, 30 kug. 1956.

I n 4-10 f e e t w a t e r , sandy a r e a between s c a t t e r e d c o r a l rocks.

L o l l y Beach: 1 2 1 , 15 J u l y 1956.

B i b l i o g r a p h y

Doty, H.S. 195.h. F l o r i s t i c s m-d p l a n t ecology o f Raroia A t o l l . A t o l l Research B u l l e t i n

33:

Nova 30,

19540

Fosberg, F.R. 1$55. Northern Marshall I s l a n d s E x p e d i t i o n , 1951-1952.

N a r r a t i v e . L t o l l iiesearch B u l l e t i n

2:

^Fay

^15,

1955.

H i l l i s , L.id. 1959. A r e v i s i o n of t h e genus Halimeda (Order S i p h o n a l e s ) . I n s t i t u t e of Piarine S c i e n c e

-

^6: ^321-403.

Moul, E.T. 1459. The Balimeda and Caulerpa of Onotoa, G i l b e r t I s l a n d s . B u l l . T o r r . Eiot. Club

- ^66:

^159-165.