1148 €OC. GRAMINEJE. [Agrostidea.. 
v. rarius 2-3. . Styli breves, distincti, stigmatibus tenuiter plumosis.  Caryopsis oblonga, 
a glumis paleaque libera, faeile exserta v. decidua.—Gramen annuum, nanum, ccespitosum, 
foliis angustis planis. Panieula folia vix superans, angusta, tenuis, spiciformis v. laxius- 
cula, ramulis nonnullis brevibus erectis. Pedicelli ut in Coleantho fasciculati, plerique 
spiculam unicam, nonnulli spicula 2-3 ferentes. 
Species 1, regionum aretiearum hemisphsrii borealis incola. Kunzh, Emum. Pl. i. 204. Trim. 
Spec, Gram. t. 88, 8& (Vilfa). Genus Coleantho et, Sporobolo valde affine. 
126. Sporobolus, R. Br. Prod. 169. (Vilfa, Beawv. Agrostogr. 16, t. b, f. 8, non Adans. 
Agrosticula, Raddi, Agrostogr. Bras. 33, t. 1, f. 2. Triachyrum, Hochst. iw Steud. Syn. 
Pl. Glwin. i. 176. | Oryptostachys, Steud. Syn. Pl. Glum. i. 181.)—8Spicule parvse, 1-florze, 
v. rarissime 2-florze, varie paniculatz, rhachilla brevissima vix articulata, cum pedicello 
continua, ultra florem non producta, flore hermaphrodito. Glums 3, membranaces, 
1-3-nerves, sepius acute, exaristatce, persistentes v. sigillatim caduc:e, 2 inferiores vacume 
extima breviore ; tertia florens vacuis longior v. sub:qualis; palea glumse florenti zequi- 
longa v. brevior, prominenter 2-costata, ssepeque alte 2-fida v. 2-partita. Stamina 2-3. 
Styli brevissimi, distincti, stigmatibus plumosis. Caryopsis a palea glumisque libera 
scepeque facile decidua, pericarpio tenuissimo nunc laxo nunc vix distinguendo. —Gramina 
perennia v. rarius annua habitu vario, ssepe tenuia, foliis planis v. convoluto-teretibus. 
Panicula nunc dense spiciformis anguste cylindracea, nunc elongata angusta stricta, v. 
laxe effusa et gracilli spiculis interdum minutis. 
Species ad 80, per regiones temperatas calidioresque utriusque orbis late disperse, in America 
numerose, in Europa et Asia Rossica perpauez. | Beauv. Agrostogr. 26, 0, 6, f. 11. Kunth, Enum. 
Pl.i,209; Rev. Gram. t. 49, 46, 123 ad 197. — Benth. Fl. Austral. vii. 620, e£ in Journ. Linn. Soc. 
xix. 86. Jacq. Ecl. Gram. t. 28. — Trin. Spec. Gram. t. 10 ad. 12, 23, 24, 47, 48, 56 ad 60, 250 ad 
252,348. Brongn.in Duperr. Voy. Coq. Bot.t. 4.  Beauv. Fl. Qv. et Ben. t. 80. Rothr. Bot. Wheel. 
own: Goin 3i. 97 (mne bu Sporolblagi Vilfa). ARusioRhdh ien in. Je. " ni üt T 
Har. t. 16. Tchihatch. As. Min. Bot. t. 43. Delile, Fl. Eg. t. 10. Labill. Pl. Nov. Holl. t. 93. 
Buchan. N. Zeal. Grass. (, 18. C. Gay, FI. Chil. t. 16. 
DracnvnruM, Griseb. Pl. Lorentz. 209, t. 2, f. 8, e Catamarca reipublieze Argentins, ab auetore a 
Sporobolo separatur ob paleam ad basin 2-partitam, quod haud raro in aliis speciebus Sporoboli 
observatur, et interdum (e.g. in Nees, Gen. Fl. Germ. Monocot. i. n. 28, f. 18, 19) pales segmenta 
pro pericarpii valvulis descripta v. delineata. 
SrexnwaAcHrTON, Llanos, Fragm. Pl. Filip. 25, species Philippinensis a nobis non visa, ex auctoris 
descriptione ad Sporobolum referenda videtur. 
In 8. compresso, Trin., et S. serotino, A. Gray, ex America boreali, spieulze interdum etsi rarius 
2-flore, flore utroque ut in Zsachne perfecto sed terminalis ab inferiore subdistans. Habitus tamen, 
spicule minime, caryopsis brevis ovoidea demum intra glumam vix inclusa, ezteraque omnino 
Sporoboli, nec Isachnis nee. Colpodii. 
127. Epicampes, Pres. Rel. Hocnk. i. 935, t. 39.—Spicule parvis, 1i-florw, anguste 
paniculatz, rhachilla supra glumas fite articulata, sub gluma florente brevissima, 
ultra florem non producta, flore hermaphrodito. vies 3,2 JRIOFIOEOS vacus, sub arti- 
culatione persistentes, parum (v. 7)i dorso convexe 
vix carinatze, tenuissime 3-nerves ; florens vacuis zequalis y. paullo brevior rarius longior, 
tenuiter 3-nervis, obtusa v. i arista terminali v. e infra apicem affixa, nunc 
minuta v. obsoleta, nunc longi la, tenuis, caducissima ; palea hyalina, gluma vix 
brevior, 2-carinata v. 2-nervis. Stamina 3. Styli distincti, bes stigmatibus plumosis. 
Caryopsis angusta, glumis membranaceis inclusa, libera.—Gramina elata, foliis planis. 
Panicula dense florib nune ] ima fere spiciformis, nunc thyrsoidea laxior vix 
tamen effusa. 
Species ad 16, plures tamen nobis vix note forte reducende, Mexi Californiez v. Anding. 
Fourn. Gram. Mez. 87. 
Genus hine Muchlenbergiz, hinc Sporobelo arcte connatum, nec limitibus certis definiendum, 
