Hordee.] €C. GRAMINEX. 1207 
pales siccitate adhzrens.—Gramina elata, foliis planis v. rigide convolutis. Spice ter- 
minales, nunc more Hordei cylindracewe, densse, aristis numerosis obtectze, rhachi fragili 
v. continüa, nunc el. ic, floribundze, densc v. subint p : 
Species ad 20, regionum temperatarum Europz, Asic et Americze borealis incole, IKunth, Enu. 
Pl.i.449. Steud. Syn. Pl. Glum. i. 848.  Griseb. in Ledeb. Fl. Ross. iv. 399. 
Genus ordeo valde affine, vix differt nisi spiculis 2-8-floris, v. si rarissime florem unicum 
tantum fertilem continet rhachilla gluma vaeua v. flore imperfecte terminatur. In sectiones sequentes 
dividitur :— 
l. Sitanion. Glume vacusw longe aristiformes ssepius in aristas 2-0 fere ad basin divise et glums 
florentes sepe 2-3-aristatz, aristis omnibus longissimis haud raro divergentibus v. intrieatis. Spies 
rhaehis fragillima, Habitus czterum ei Zordei jubati similis. Species 1, Americze borealis occi- 
dentalis incola. SrraxioN, Rofin. in Journ. Phys.|xxxix. 103. PorvawTHERIX, Nees in Aun. Nat. 
Hist. ser, 1, i. 284. 
2. Clinelyma, Griseb. Spieule swpissime geminz. Glum:e integre, vacus breviter, florentes 
sepius longo, aristatz. | Species Asiatieze v. Americans. — ScAreb. Beschr. Grüs. t. 21,1. 
3. Psammelyna, Griseb. Spieule 2-6-nz, Glumm omnes mutiem v. vix brevissime mucronato- 
aristate.  Gramina sepe elata rigida spica longa, rarius habitu Clinelynis similia. . Species 
Asiaticz, quarum una etiam Europmea et Americana, et; forte una Americze propria. Schreb. Beschr. 
Grüs. 1. 40... Beauv. Agrostogr. 106, pro parte, t. 20, f. 7. . Jacq. Ecl. Gram. t. 19, 37 ad 39. Host, 
Gram. Austr. iv. t. 19. — Ledeb. Ic. Fl. Ross. t. 229, 249 ad 201... Reich. Ic, Fl. Germ. t. 10. 
276. Aspretta, JVilld. Enwm. Hort. Berol. 132. (Hystrix, Mench, Meth. 294. Gymno- 
Stichum, Schreb. Beschr. Grüs. ii. 197, t. 47.) —Spiculee 2—c-florw, in spica simplici ad nodos 
excavatos rhacheos geminzse rarius ternz, collateraliter sessiles, rhachilla sub floribus 
ticulata, floribus h hroditis v. summo imperfecto. Glum:e vaeu 0 v. in spiculis 
infimis 1-2 parvze subulate ; florentes anguste lanceolat:e, convolutze, rigid:ze, dorso rotun- 
datz, superne D-nerves, in aristam desinentes ; palea gluma parum brevior, 2-carinata. 
Stamina 3. Styli brevissimi, distincti, stigmatibus plumosis. Caryopsis anguste oblonga, 
apice parce villosa, antice sulcata, palez siccitate adhzerens.— Gramina elatiuscula, foliis 
planis. Spice terminales, quam in Elymo longi laxiores t q 
Species 3, quarum 2 Amerieze borealis, tertia Nove Zelandis, incolm. —Zeauv. -Agrostogr. t. 90, f. 
9 (Elymus). — Kunth, Enum. Pl. i. 405. Jacq. Ic. Rar. t. 305 (Elymus). Hook. f. Fl. Nov. Zel. t. 10 
(Gamnostichum). | Buchan. N. Zeal. Grass, t. 58 (Gymnostichum). 
Opus Sehreberi in titulo annum fert; 1769, sed pars iii, Gymnostichum continens, anno 1810 edita 
fuit. Nomen Menchianum in Zoologia nimis familiare, a botanicis rite pretermissum est, 
Tarsus XIII. DBAMBUSEX. 
277. Arundinaria, Mich. Fl. Bor. Amer.i. T3. (Miegia, Pers. Syn. Pl. i. 101. Lu- 
dolfia, Willd. in Gesellsch. Nat. Fr. Berlin Mag. ii. 320. Triglossum, Fisch, Cat. Jard. Pl. 
Gorenki, 1812, cum ic. ez Rem. et Schult.. Macronax, Raf. in N. York: Med. Rep. v. 350, 
ex Munroio.)—Spiculie oc-florze, sepe. longze, np , varie v. paniculatze, 
rhachilla sub floribus tardius articulata, floribus hermaphroditis v. summis imperfectis 
(nferiore rarius masculo?)  Glum:e inferiores vacuse 1-2, inzquales, extima minore 
interdum deficiente ; florentes longiores, b herbace:, inat ]tinerves, 
.btusiuscul inatz v. brevissi io-aristatte ; palea gluma vix brevior, 
prominenter 2-carinata. Lodicule 3. Stamina 3. Ovarium apice scepe pilosum ; styli 2 
v. 9, basi breviter connati, stigmatibus longiusculis laxe plumosis. Caryopsis ovali- v. 
anguste oblonga, antice sulcata, gluma paleaque inclusa, libera.—Gramina elata, suffruticosa 
raro arb tia, ramis interdum ad nodos fasciculati subverticillatis, foliis breviter 
petiolatis cum vagina articulatis planis, venulis transversis obscuris v. conspicuis. Inflores- 
centia plerumque terminalis, nunc simplex racemo 1-4-spiculato, nunc laxe paniculata v. 
e racemis fascieulatis v. subverticillatis composita. Spicule majuscule, virides v. coloratw, 
interdum glumis dissitis elongatis. 
^ Species ad 24, Asite et Americze inter tropicos ineole v.in America boreali Himalaya et Japonia ultra 
