ROSF.-l\n~XICAN A~" l't:NTllAL AMt-:HIt'AN PL.\ NT::;.
I\!5
Hypericum 8ubmontsnum Rose, sp. nov.
Stem much bmndll'd at ba~e and often:-o abo\"(:, 10 to ZO cm. high , only !'lightly augled; lean~s d.ecm;'~ltt', lant"eolut.c, ohtusc, 10 to 12 1II1n. long, Tllther thin in tex-
ture, l-nervl'11, with pdludcl llots hut never hl8i·k 'meg; flower.-! vt-lry small j ~Jlals
linear, lwute, 2 1U1II. or less long; pt!t!lls::J mm. or nlilm long, dryin~ redd ish yellow ;
cap8ul~ 4 mill. IOIlJ;, J -(~elled; 8tyle~ 0. (Ih.tinct, Hhart, each cappeu by a broad fiat Atigma,
Type L S. Xatiomll Herbarium no. 304-022, eollt'ctt'd by C. G. Pringle in damp sandy lucadows and hwa lidd ... 011 the Sierra de Ajlll"t'o, Distrito Federal, altitude 2,400 meters, Octoher :1, ))0(96 ( lin. 6t)ii ); al80 col1('(:tl,d Ity )[r. Pringle Dear the same
10fA.llit~·, September i, I!)Ol (no. fl:l;")i ). This ~ped('~ was di!itrihtl~1 as H . philon()lj~
Schlecht. "-'<: Cham .• frolll which, how~Yt-'r, it Illll~t he vcry (Efferent.
126
CONTRIBUTlON~ FRO" THE NATIONAL HERBARIUM.Escontria chiotilla. (Weber) }{O~l~. PUT!': XLHI.
CeretUI chiol.illa Weber; Schumaull, (;'I:'H. Kakt(,(~11 83.
Umg.
From 4- to 7 meters high; trunk \'t'ry sholt; brandies very num~rOU!i. forming a very compact head, weak and easily hruken, oright green, lIot at all glaucous; ribs 7 or 8, acute; arl.'oies closely Ret, of tell running to)!l'lhcr, olliptil:al; mdiul !'pin~ to to 15, rath(lr short, often reftexed; C'l'lltral!ol 8C\'erai, olle IIltH~h longt'r, f'olllewhat flat- tened, sometimes 7 elll. long. alllight.-eolored; tlowers hOfflll near t.ilt, t'ndH ()f t.he branches, foImall, ineiuJing the ovary ahout 3 em. long; petaiH nearly t'rt:'l't, yellow;
ovary and calyx tuhe co\'~red with o\'el'illl'pillg ovate, (~rlila.ginou8 seali..'H but with- Oll.t wool, "pines, (Jf hairs; fruit glahr(Ju~, noout:) elll. in diameter, edib)(~, :,w<lly.
The fruit is ~Id in the market at TdlUru':11l nnder tho Hllme uf " ·IlNlillo." ur
"ehiotilla" and fiS "tuna."
Very common at Tehuacftn and TOIllt'IHIl.
Specimen" examined:
Pueblo.: Near Tehnad,lI, H.o!!l~ & Paintl'r, August 31,190;' (no, 9H:{\}):
Oaxaca: Near TOUlcllin, Host' & Jl ouj.!'h, JUlie 2:1, J~99 (IIH . .JG6.'l); Rose &
Painter, September 4, J905 (no. 10107).
NEW SPECIES OF OPUNTIA AND ECBINOCACTUS.
Opuntia megarrhiza Hose, ap. nov.
Root8 long (30 to 60 Cill.) ~Ul(l Yery thkk (5 to 6 em. ill Iliameter) ; J;telnl:! low (20
to 30 em. high), much. hrandlt!(] at ba&'; lower j"inbl elongutetl, YO to :-10 t:OO. long,
thin and pliable; later.\! joints appearing alung the IlUtrginH of the ohler joinU! and oiten if not gellemlly in the same plane; I'!Cpll.lf4 slilaJl, ontU.'. retldi8h or rO:-:'t~-t'olon·d,
acute anti even apicuia.tc j petals ahollt II), pale 1I:'I110n or c\'en rOf!e·,'ol!m.·tl, 2 em.
long, ol)Q\'lI.te, mucronate-tipped; stamtc'll!'l ~hort, nUl1lerOU~, erect; ~tyl(! 10lljler than tht.· "Lalneu!;; stigmas ahout
i,
gretmil'lh; oYSrydav8te,:{ em. IonA', thcan"Olt'l". numer- ous, genentlly H)linel~ hut \'(~ry wpolly ; nmhilit,us deep nnd hroad ; llIaW ... fruitnot ~n.
Type U. ~, ~ational Hcrharilllll no. ;ii0115, colleeh~l hy Dr. K Pahller near Alvarez, Ran Luis PotoS"f, May, 190:") (no. HOi). .
Echinocactus gra.ndie Rose, :;;p. noy.
Cactus
lxKly
1 to 2 meters hi~h, ()() [011'10 ('Ill. in ~lialUetcr; ribs 1l1imertlUM (exact number nnt re<..'ordl.'t.I). ratht'r hi~h , lIot llIullilatf", llearing lIlany dlt~"4,'ly ~~t gl"Hupsof spineM; no distinct an..>oIc, but l\ ('oll[iIlU()\l~ hn)~(1 ~roo\"c lillL'~.1 with fdt·Jjkl· hair in which arc t<et t.he "'piUl'l!I; raclial :opineI'! ;) or H (10 ~l)€>c'illl(:~n" CX:llllilU~,l), ahout equal,:3 tu 4 CIII. long, straight and stiff, erect or Hlightly I:lI,reilclinj.!j 011\' n'ry ,iist.ind
central spine stoutt'r and longer (4 to ~l 1.'111. IOlJg) thafl tIll' .-adial OIH.':", tii:"tindly bandt'tl as aw 8(11Ilt' of the radial onl'S; lI.ll of the ~pillt'$ at lir::!t yellow, lIut the old one:-' oo..'oming reddish brown; topfo:: of flowering plall'8 ~'(1\"(,1"e41 wilh tlCU~\ white
wool : flowers, induding- o\'ary, 4 to ft ,·m. long, yellow; -'lellals lalH'(.>(,IAh·, tiplX-'f1 with a long IlHH'fO (allllot-:t "piIlt'seent), the margin 1IIIII"e or l~~ ~rrl1htt('; p{'tHiJ;
som~what, f':imilar hilt hroud,~r, o1,tn8(, at t.he apex awl with II. wt'akt'r lIluero; fruit • 5 to 6 1.'111. long, dt.'n~·ly (:ov(~re(1 with long downy wool, tipIK·d by t.IH' l'(m'liHL>nt flower, dry, many·~>edcd. the hradfl f~w and Hpin('8Cl'llt; s{'I.'(ls bhU'ki:<iI, I'lIIont.h,
shining.
Very CQlIlIllon on tht! limestone hille nCilr Tehnadn, l'ut~bla.
Type U .. 8. ~atiorlltl Herbarium no, ·HHZAA, ,~olleekcl hy C. G. l'rin,ll.'lc in 1900 (no. 6(96), Also (.'ollt~decl by J. K. Hose, August 2,190:1 (uo. f)!In:~).
It is remarkahle that thiN species ha!; not lH'retofon: hpl'll charaeferi?,t·cl. for it surely must have been frequently olJt!erved hy ('ollcdorJoi awl tran~lef"lol. It haH
prohably het>n miRtakt'lI for 1'()llIe of the othN large "pedes sndl as
P. .
;)111";,1', J-:.1JUmaga, and H. !/rtU~mtii, which, while they resemhle it ill a general way, Htill IUH'(' very distinct characte~.
c· . l' "'"\, H .. ··r. 'i. Y PLATF. XLIII.
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Rn~t:-MEXICA'N AND cENTleu ;\MERTCAN PLANTS.
127
Echinocactus pringlei «;ollll('r) Hose.
l*hi1i~~u:tus l'iimllfl! priu(llei ('oulkr, Conl-r. Sat.. lIt'rh. 3 :
:k);).
18116.This sped!;!!! il'J very di8tinl..'t from tlt(" true 1 .. :, Jliln~/lx. Both are under ('uitivatinn in Washington.