84 TRINIUS = Botanique. 
emittens torlam, subgeniculatam, hirtam.  Pedicellus articulo similis: gluma in- 
ferior T-nervis, ex apice seligera, superne erecto-villosula; superior 5-nervis, 
acuta vel etiam setigera,  Ælosculus neuter 1-valvis 1. nullns. 
Andropogon telrastachyus Et.  BRadns alernis, parum compositis : pedunculis 
subexserlis, villosis; Spicis erectis; Articulis pedicelloque spiculae 1a- 
bescentis villosis; Spiculae sessilis glumis acutis, nudis; Arista seti- 
formi ïisdem 4rl longiori; Culmi nodis glabris, foliis (vaginisque) 
vilosissimis. 
Andropogon letras!'echyus EL. Car, et Georg. EL. p. 150. Kth. Agr. syn. 
p- 508. 
V. sp. Louisian. 
Culmus 3-pedalis, nitidus, crassitie pennae anserinae. ’aginae internodio 
longiores, inferne glabrae, superne villosissimae. Ligula membranacea, brevis, 
obtusa, dorso villis stipata. ÆFolia angusta, compressa, utrinque villosissima, in- 
feriora sesquipedalia. Panicula pedalis, contracta, radis vaginatis, inferroribus 
fere dodramialibus.  Hadioi 2 — 3, alterni, dissiti, singuli iterum vaginati, va- 
ginis minus dense villosis. Spicae 2 vel plerumque 4, digitatae, vagina sua gla- 
bra vix breviores, pl. min. pollicares. Articuli, basi brevi-barbati, sesquiline- 
ales, sursum villis ipsis fere duplo longioribus. Spicula sessilis basi brevissime 
barbata, bilincalis, flavescens.  Glumae superne pl. min. hispidae: superior bi- 
dentata, paulo longior, binervis; inferior acuminata, 1-nervis; Flosculus herma- 
phroditus 2-valvis, excurrens in sefam rectam, hispidam. Sfamen 1.  Pedicellus 
spicula sessili paulo longior, vills ut in articulo. Spicula brevis, subuliformis, 
angustissima. 
Andropogon vaginatus El. (?) Radüs alternis, compositis, subadpresso-strictis ; 
pedunculis occultis, nudis; Spicis erectis; Articulis pedicelloque anan- 
tho villosis; Spiculae sessilis glumis acutis, nudis (superne hispidis); 
Arista setiformi ïïsdem quadruplo longiori; Culmi nodis foliisque glabris. 
