The itinerary in Peru included visits to the central and southern parts of the country. In Bolivia, most of the plateau is dry and the southern part is a desert.
HORDEAE
AVENEAE
AGROSTIDEAE
NAZIEAE
CHLORIDEAE
PHALARIDEAE
ORYZEAE
Z1ZANIEAE
HELINIDEAE 11
PANICEAE
11 a eh ilia joint and additional rudimentary first glume forming a swollen ring-like callus at the base of the spikelet. Spikelets placed with the back of the fertile lemma (thus the second glume) turned towards the rachis.
ANDBOPOGONEAE Spikelets all perfect
Sessile spikelets sunk into the cavities of the thickened rachis, with the first husk covering the opening. The edges of the first husk of the sessile spikelet are bent, the husk sharply 2-keel-shaped, the back flat or grooved between the keels.
TRIFSACEAE
Munro seems to have referred the species to Chusquea mainly because of the short leaves (about 15 cm long). An erect perennial, with creeping rhizomes^ smooth cold 30 to 50 cm. long, the lower branches 3 to G, spreading.
BRIZA L
A spreading perennial, with drooping tips 30 to 50 cm. long, the branches and branches spreading, somewhat bendable. An upright perennial with slender spikes 30 to 50 cm. long, stiff leaves and an open elliptic-oblong panicle 10 to 15 cm.
UNIOLA L
ABUNDO L
While the writer was collecting in the Andes he distinguished only two species (besides the small C. sericantha), basing the division on the aspect of the plants. This species is allied to other species of Cortaderia in the structure of the needle, but lacks the elastic and strongly serrated blade of those species.
DACTYLIS L
HELICAL
An upright or spreading, tufted perennial plant from 20 to 40 cm. long, with flat blades and slender spines of 5 to 15 cm. The species was common and grew among other plants on the upper slopes of the hills.
AIBA L
An upright cespitose perennial plant of 30 to 50 cm. long, with crusted, convoluted, capillary, somewhat flexible leaflets and narrow, rather open panicles; peeks over. An erect bare perennial plant, 15 cm tall, with slender, convoluted leaves and spiny panicles of about 3 cm. An upright pale cespltose perennial with bare culms of 30 to 100 cm. long, erect scabby, convoluted leaves and narrow, rather loose panicles of 15 to 35 cm. long, scabby, serrated, the calluses short; canopy curved and exerted; rachilla 2.5 to 3 mm. long, hairy with fairly short hairs.
A pale, erect, densely cespltose perennial with glabrous nodules 30 to 40 cm. blades long, erect, stout with a sharp point, stout and erect, nearly as long as the apex, and spike-like purplish-purple panicles G up to 15 cm. awn about equaling the glume; rachilla hairs long and abundant. A perennial dwarf plant that forms dense clumps up to 1 meter in diameter; .. culm slender, 10 to 20 cm. long, with several arcuate filiform involute blades and spike-like panicles 1 to 4 cm. long, the needles purple below and along the keel, with a broad margin, white or cream. A dwarf cespitose perennial less than 15 cm. long, with short, stout, flat or folded blades and a dense, ovate, purple, bronze panicle 1 to 2 cm.
CINNAL
ALOPECUBUS L
Smooth, erect or prostrate perennial 20 to 80 cm. tall, with flat bracts and panicles, the spikes barely extending beyond the panicles; In the colder parts of the northern hemisphere, it reaches Argentina in the mountains. A lax, usually decumbent perennial, up to 1 meter tall, with flat leaves and narrow, dense but interrupted, nodding brooms 10 to 20 cm long.
Husks or some of them are provided with a canopy, the canopy being as long as the body of the husk or longer. A low tufted perennial, with numerous stiff creeping rootstocks, lying culms usually no larger than 10 cm. long, numerous distichous convoluted sickle-shaped blades, usually less than 1 cm. long and small, narrow, few-flowered panicles of dark-colored spikelets of about 2 mm. Spikelets in open or spike-like panicles, without parasol; husks shorter than the flower; palea splits easily; pericarp of the caryopsis loose, the seed falls out easily.
STIPA L
A woody, erect or spreading perennial, 1 to 2 meters tall, with lax, tough, gnarled, mostly leafless, loosely coiled leaves and a narrow lax, feathery panicle* 10 to 20 cm. An erect grass up to 1.6 meters tall, with slender, firm involute blades and narrow, silky, white, brownish or purple panicles up to 40 cm. Slender prostrate perennial, up to 1.5 meters high, with flat leaves up to 1 cm.
A branched, wiry, rather woody, spreading perennial with bunched branches, short leaves and loose, narrow panicles of 5 to 10 cm. A loosely cespitose, erect or spreading perennial, with loosely convoluted leaves and narrow, pale panicles of 10 cm. An erect or slightly unculated perennial plant about 1 meter high, with flat or convoluted leaves and narrow loose panicles of 15 to 25 cm.
ABXSTIDA L
Up to 1 meter tall erect perennial with flat bracts (rolling or bending with age) and open panicles, distant branches spreading, glabrous below, panicles attached along upper part of twigs; column twisted; lateral spines obsolete. A weedy annual with spreading or climbing, flattened, branched stems, thin straight linear blades and 2 to more spikes (sometimes one spike 1 to 3 cm below) 6 to 10 cm. A weedy, stoloniferous, more or less hairy annual that often forms dense mats, flat stems 10 to 60 cm. long, blades straight, usually short, tips 2 to 4, short, thick, rayed.
A loose cespitose perennial from knotty crowns, with slender, wiry, erect or spreading tips 30 to 50 cm. high, rigid spreading knives 2 to 4 cm. long and slender, rather distant spikes 10 to 15 cm. long; Spikelets usually rather distant, especially below, 2-flowered, with the second floret reduced to a tellate Rudiment, or 3-flowered, the second Floret somewhat reduced, the third a tellate Rudiment; awnings approx. 1 cm. Rachis with a sharp posteriorly bearded tip at base 3. Rachis not sharp tip at base. long, excluding the awns, these about as long as the axes 5. Spikes usually more than 20 in well-developed plants, ca. 5 mm. long, exclusive awnings, these mostly less than 5 mm. long, sometimes very short 6. Cochypata, Bolivia, Man&on in Herb. A low tufted perennial, with spreading spikes 10 to 20 cm. tall, short, flat, mostly basal leaves and 2 to 4 bent spikes, with 3 or 4 sterile lemmas with a long apron.
ANTHOXANTHT7M L
PHALARIS L
An erect perennial from a creeping rhizome with smooth sheaths and leaves and a rather compact, nodding, about 10cm bronze-brown panicle. A scaly underwater perennial, slender stems often 2 meters tall, erect from a creeping base, flat plates mostly 15 to 20 cm. Spikelets unisexual, 1-flowered, separate from the pedicel, staminate and pistillate flowers in separate panicles on the same plant; first shell and palea wanting; second shell and lemma about equal, thin, several to many-nerved, lanceolate or oblong; stamens more.
PHABUS L
It is said to be less dense and lacks the glandular hairs of the usual shape. Spikelets loosely set in some erect or ascending racemes, the back of the fruit of the primary spike turned from the axis; first and second glumes as long as spikelets, second uncinate spiny and ventricose. In this the base of a culm is present but not the base of the whole plant.
Inflorescence with few to several rather thick racemes; spikelets solitary, subsessile, the back of the fruit turned from the rachis; well-developed first comet. Inflorescence of 2 to many slender racemes, clustered at apex of culm; spikes appressed-biconvex, oblong-elliptic, solitary, subsessile, the back of the fruit turned from the rachis; the first joke they want; obsolete sterile palea. Moist grassland, southern United States to Argentina; even in the warmer parts of the Old World.
PASPALUM L,"
Leaves mostly no more than 1 cm. wide, scarcely wider than the mantle at the base; spikelets more than 3 mm. wide, broadly rounded and wider than the mantle at the base; spikelets not more than 3 mm. Racemes spreading, rather distant; spikelets 2.5 mm. Racemes ascending, approximate; spikelets 2.8 to 3 mm. A descending branched annual, with ascending flowering spikes 15 to 40 cm. wide, and panicles of several to many spreading racemes 10 to 20 mm. long, usually in pairs, the whitish splotches approx. 1.7 mm. Described from Charles Island, GalSpago.. tall, deciduous towards the base, the foliage stems to glabrous, the leaves 4 to 5 mm. long, with 4 to 9 ascending to spreading racemes, the pale spots about 1.7 mm.
Hitchcock's No. 21464 is a stunted plant, the tallest culm only 21 cm.; the foliage is less pubescent than in North American plants, but the axes are identical. A densely tufted perennial with slender erect simple spikes 35 to 50 cm. high, leafy towards the base, the foliage densely covered with long soft spreading-. —GRASS OF THE CENTRAL ANDES 44ff. rachls slender, with long white hairs on edge and upper side; spikelets solitary, ca. 1.2 mm. long, yellowish, smooth, lumpy and sterile lemma hyaline in the middle, slightly tearing.
PANICTJM L
A slender branched, rambling perennial plant, with culms a meter long, lanceolate blades 1.5 cm. wide, and open plumes 15 cm. Between Huigra and Naranjapata, Hitchcock 20872. long, with thin lanceolate sharp blades 1 to 2 cm. wide, delicate open plumes 5 to 20 cm. long, and long-stalked, sparse hair-shaped spikelets a little more than 1 mm. A slender smooth, straggling perennial, with lanceolate blades of about 1.5 cm. broad and diffuse plumes of glabrous spikelets about 2 mm. tall.
A slender, branched perennial, with narrow lanceolate leaves as long as 1 cm. wide on the main culm, reduced on the branches, the panicles open, elliptic, the axes smooth, pointed, ca. 2.5 mm. long. A slender, branched perennial, with narrowly lanceolate, smooth leaves, mostly less than 10 cm. long, and panicles 10 to 15 cm. long, those on .. the branches reduced, the axes smooth, approx. 3 mm. long, somewhat joined together on the branches. Hltchc,. tall, thin fiat elliptical-lanceolate blades 15 cm. long and up to 2 cm. wide and narrow, rather loose foreheads approx. 10 cm. long, the axes approx. 2 mm.
