1178 €C. GRAMINEJE. [Festuceo.. 
dense multispieulata, glum:e florentes 3-nerves, lobis breviter membranaceis ad latera ariste cen- 
tralis; in specie Capensi panieula mollis sed laxior, glumz lobi membranacei ad latera exteriora 
aristarum lateralium ; in T. pungente, Br. et in T. bromoide, F. Muell, panicula laxa, glumaw 
florentes coriaces, basi vix nervoss, superne plus minus distincte oc-nerves, 3-aristatz, absque lobis 
; in T. danthonioide, F. Muell., panicula longa laxa, glumse florentes coriacez, oo-nerves, 
lobis urere ut in specie Capensi ad latera exteriora aristarum exteriorum. 
T. inicrodon, Benth. Fl. Austral., e genere forte removenda sed affinitas adhue incerta, T. capensis, 
Nees, ad Danthoniam referenda, est eadem ae D. radicans, Steud. 
207. ! Gouinia, Fowrn. Gram. Mex. 103.—Spicule 4-florzee, paniculatz, rhachilla inter 
flores articulata pilosa, ultra flores producta glumifera, floribus aliis hermaphroditis 
aliis unisexualibus. Glume 2 i vacus, quales, spicula multo breviores, 
multinerves, setiger:e ; florentes inter se distantes, 3-5-nerves, b dorso pilosse, 
apice 2-dentatz, inter dentes aristatz? ; summa yaeua ; palea 2-carinata, acuta, integra 
v. 2-dentata. Stamina 3. Styli meets tig is. Cary- 
opsis ovata, pubescens, sulcata, libera.—Gramen crespitosum (2-6-pedale), foliis planis. 
Spiculze secus panieulze radios alternos longos remotos primum erectos demum divaricatos 
appresse, alternze, breviter pedicillatz, im:e et summ:e fcemines, medi: mascule, v. 
fere omnes hermaphroditz.. (Char. ex Fourn.) 
Speeies 1, Mexicana et Floridana, a nobis non visa. 
Genus ex charactere dato potius Triodie quam Arundini affine videtur. 
208. ! Calamoenloa, Fourn. in Bull. Soc. Bot. Fr. xxiv. 178.—Spiculee 2-florze, spicatz, 
spicis paniculatis, rhachilla sub floribus pilifera, ultra flores producta glumifera. Glums»2 
vacusme quales ; florentes 5-lob:e, lobis 3 (lateralibus et centrali) subulatis ; 
palea gluma brevior, iiu plicata, obscure 2-dentata, basi e& margine ETE araen 
strictum, foliis convolutis. Panicula apicalis, ováta, spiculis 3-4 spicatis, spicis strictis 
aggregatis. (Char. ex Fourn.) 
Species 1, Mexicana, a nobis non visa. Genus quoad affinitates dubium, an ad Pappophoreas 
referendum ? 
209. Gynerium, Humb. et Bonpl. Pl. ZEquin. ii. 112, t. 115.—8Spiculw dioicm, laxe 
2-oc-floree, rhachilla inter flores szepius elongata, in pasce sexu articulata, szpe pilosa, 
pilis longis tamen flores 9 cingentibus plerisque a glumis oriundis. Glums membrana- 
ceo-scarioswe v. hyalinze, anguste, 2 inferiores vacuse spiculam sspe sequantes, parum 
inequales, 1-9-nerves v. fere enerves, acute acuminatz ; florentes 3-nerves, acumine plus 
minus in aristam producto, sub flore d' s:epius glabrze, sub flore 9 basi dorso et margine pilis 
longis ciliatze ; palea in flore d gluma parum brevior, i in 9 multo brevior, hyalina, 2-nervis 
v. )-carinata, integra v. 2-dentata. Stamina in flore d 3. Styli in flore 9 breves, dis- 
tincti, stigmatibus plumosis. Caryopsis anguste oblonga, gluma paleaque tenuibus arcte 
inclusa, libera, subteres, exsulca.—Gramina perennia, elata, basi swpe sublignosa ; foliis 
longissimis angustis ad basin caulis confertis. Panicula magna, densa v. demum laxior 
nutansque, argentea v. fuscescens, scepe plucherrima. 
Species 3, Americze tropieze et, subtropicz incole. —Beauv. Agrostogr, 138, £. 24, f. 6. Steud. Syn. 
Pi. Glum. i. 197 (excl.sp. 5 et 6). — Dall in. Mart. Fl. Bras. ii. iii. 49, 4. 14, 16. Cfr. etiam ic. 
plures in diariis recentibus hortulanorum, 
210. Ampelodesma, Deawv. Agrostogr. 8, t. 15, f. 11. (Ampelodesmos, Link, Hort. 
Berol. i. 136.)—Spicule 2-co-florz, ample paniculatz, rhachilla supra glumas inferiores 
et inter flores articulata penicilloque pilorum instructa, floribus hermaphroditis v. summo 
masculo. Glum:e subcoriace:w, 2 inferiores vacus, angustm, parum insequales, glabrze, 
acute v. acuminatze, 3-5-nerves ; florentes latiores, 5-nerves, apice breviter 2-fidze, inter 
lobos mucronatz, dorso pilose ; palea gluma parum brevior, 2-carinata, apice 2-dentata 
v. 2-mucronata. Stamina 3. Styli breves, distincti, stigmatibus plumosis. Caryopsis 
