1168. G0. GRAMINEJZE. [Citoridea. 
Species 1, Americz borealis ineola. JNuét. Gen. IN. 4iner. DI. i. 81 (Lepturus paniculatus). Jienth. 
in Hook. le. Pl. t. 1360. Genus nobis Gymnopogoni potius quam Lepíuro affüne videtur. Ex 
eharaetere Steudeliano gluma florens exterioribus brevior, nos tamen Semper in speciminibus ipsis 
Drummondianis longiorem vidimus. 'Lepturus Dolandéri, Thurb. in S. Wats. Bot. Calif. ii, 822, e 
California, a' nobis non visa; auctoris deseriptio nec eum ScAhedonnardo nec cum Lepturo bene 
convenit. 
480. Graspedorhaebis, Benth, dn 3Hook clo: PI. t 1377.— Spiculee 1-florz, secus rhachin 
iles, rhachilla supra glumas inferi- 
ores subarticulata brevissima, ultra florem non producta, flore hermaphrodito. . Glum:e 2 
i vacum, p carinatz, acutze, l-nerves, rigidule membranacem, sub- 
quales, infima rhachi contigua, secunda per anthesin patens; tertia florens pluries 
VERE: lata, subtruncata, tenuissime hyalina, ciliata; palea gluma vix brevior, angustior, 
tenuissime hyalina, apice breviter 2-fida v. 9-dentata. Stamina 9. Styli sub anthesi 
breves, distincti, stigmatibus plumosis. Caryopsis . . .—Gramen elatiusculum, foliis 
paucis üngustissimis ha es amm sonvoluto-stibulàtis: Spice eia pedunculum sparse, 
rigidulre, .bpat formantes; rhachis 
spicarum utrinque t otgtstá: 'vginat spiculis secus costam alternatim affixis 
áppressis. 
Species 1 Africze tropicze austro-orientalis incola. 
Genus evidenter Sehedonnardo affine, Wuffent imprimis gluma florente paleaque minimis Dd 
lodieulas sirnulantibus. 
181. Bouteloua, Laj. V«ried. Ciene; sj Litter. 1805, 141, er eod. Elench. Hort. Mtr. 
Gen. et Sp. Nov. b. (Eutriana, Trin. Fund. Agrost. 161.  Actinochloa, Willd. in Rem. 
et. Schult. Syst. ii. 99, 417.)—Spiculee 1-9-forv, secus rhachin contimuum spiearum uni- 
lateralium sessiles, 2-seriatim confertz, rarissime solitarim, rhachilla continua v. supra 
glumas inferiores articulata, ultra flores producta glumifera v. stipitiformi, flore inferiore 
v. unico hermaphrodito, superiore dum adsit masculo v. sterili. Glum:e 2 inferiores 
vacum, anguste, acute, carinate, requales v. inaequales; florens sepius tenuior, latior, 
Ílorem invol , apice 9-dentata v.:3-5-fida, lobis 1 v. 3 mucroniformibus v. aristi- 
formibus, intermediis dum adsint brevioribus planis; glum:e vacusm 1-3 ad apicem 
rhachillo, varie 3-D-aristatz, v. usque ad basin in aristas 3 divise ; palea gluma florente 
inclusa, angusta, hyalina, integra v. 2-cuspidata. Stamina 3. Styli distincti, stigmatibus 
plumosis. | Caryopsis oblonga, gluma inclusa, libera.—Gramina annua v. perennia, humilia 
v.elatiuseula, foliis angustis planis v. convoluto-teretibus.  Spicse secus pedunculum 
elongatum terminalem simplicem s:epius plures, sessiles, secunde, dissitze, remotze, rarius 
ad unam terminalem reduce, primum erectz, demum spe pendule. Spicule uni- 
laterales, secus rhachin tenuem v. anguste planatam alternze, paucze v. raris- 
sime solitarie, rhachi ultra spieulam superiorem sepissime plus minus in cuspidem 
continuata. 
Species ad 25, Americe tam borealis quam australis imprimis occidentalis incole.  BentA. in 
Journ. Linn. Soc. xix. 104. 
Glum:e tam florentes quam vacuze terminales variant sepe de specie in speciem quoad aristas v. 
lobos, et haud raro in eadem spica polymorplie, et speties plures eharaeteribus certis segre definiendze. 
Sectiones tres sequentes potius i fi quam sp structura separantur :— 
1l. Chondrosiwin. Spice in peduneulo ssepius pauem, interdum. solitariwe, rarius numerosiores, 
longiuseule, plus minus faleatze, spieulis numerosis (rarissime infra 12) pectinatim confertis, gluma 
yaeua terminali sepius 3-aristata, Species ad ló. aeg. Ecl. Gra. t. 12 (Atheropogon). Torr. 
in Williams. Exped. Hot. t. 10. CuoxpRostex, Desv. in. Nouv. Bull. Soc. Philom. ii. 188, et àn Journ. 
Bot. i. (1813), 68. Beauv, Agrostogr. A1, t. 9, f. 1. H. B.et K. Nov. Gen. et Sp. t. 56 ad 09. Fourn. 
Gram. Mex.130,. Torr. in. Emory, Notes, t. 12. : 
2. Atleropogon. Spice i in peduneulo swpius plures nune numerose, breves siepe fero. fas 
formes, reete, spieulis paucis rarius ultra 12, secundis at vix pectinatis, gluma ^ vacua ier 1 
eodem specimine sepe variabili nune. 3-aristata lobis interinediis 2 v. 0, nune integra. lineari s i ih 
