278 
T R I N I и s, 
pleiumque involula, pedalia; culmea palula: inferiora planiuscula et lineam 
lata vcl paulo latiora (interdum itidem SHbinvoluta), ultrapedalia ; superiora 
angustlora et breviora ; suprema brevissiraa vel subnulla. E vaginis superio- 
ribus dissitis peduncull unus vel duo, iterum vaglna instructi. Spicae 2, bi- 
pollicares, fuscesccndo-vlrides, laxae et laxluscule lloriferae. Ariîculi tenues, 
lineas 2 cum dimidia longi, utrinque pilis erectiusculis ipsis breviorlbus ciliati. 
Spkiila inferior scssilis, lineari-lanccolata, 4 -linealis. Gluma inferior acuta, 
5 -nervis, pllls adspersa; superlor carlnato-compressa, 3 -nervis, superne pi- 
losula. Infra aplcem setam emlttens, plerumque blllnealem et reflexam. Perian- 
tbium luversum, byallno-mcmbranaceum : valvula neutra longltudlne glum^- 
rum, obtusluscula, margine superne fimbrlato - dilata, tota ametbystina; her- 
maplirodlta angustisslma, mox ablens In arislam 9-llnealem, Inferne tortam et 
spadleescentcm, niedio genlculatam. Spiculae superioris^ similis sesslli sed abs- 
que setula glumac, pedlccllus artlculo paulo angustlor et minus dense pllosus. 
Л alvulae 2, glumls non multum brcviores> 
Ànilropogon iernarius Mehx. Spiels 2 — 4 idtcrnls, confertls; Arliculls pedlcello- 
(jue spiculae masculae subacumlnatae cillatls: pllls llsdera breviorlbus; Arlsta 
loiigiludlno spiculae suae (cum mascula glabrae, ad nervös hlspldulae, vel pi- 
losulae) aut eadem paulo longlorl; Culml erectl nodls glabrls, folils linearlbus. 
Amlropogon lertiarins, Pw et S. 11 . p. 818, Mant. II. p. 45 o. 
\ . spp. Am. bor. 
Specliclna vldl 4-р<5(1э11а, fere a bas! erccto- et folilfero-ramosa, Foliis Hmvis 
b latis, splcls 5 —G polllcarlbus. — Spicae e glauco et amctbystlno variac. 
Ad splcularum Ixisln annulus pilorum brovium. ArticuU subcuneatl. Flosculi 
In utraque spicula 2 ; bermapbrodito 2-valvi: valvula supcrlorl brevlori, aplcc 
fimbrlnla. 
