GRAMINÉES. 253 
aut latiore: ramulis effusis; spiculis crebris pedicellatis. (America 
trop. austr.\) 
19. Chusquea K.2 — Flores (fere Arundinariæ) in spicula soli- 
tai hermaphroditi; bracteis paucis (5, 6), imbricatis ; inferioribus 2, 
suboppositis angustis persistentibus; cæteris latioribus rigidulis, 
5-8-nervibus ; intima nune 2-carinata. Glumellulæ 3, cum staminibus 
btidem alternantes; antheris sæpe crassis, ad margines rimosis. 
Germen nune basi angustatum. Stylus brevis v. elongatus, basi 
simplex; ramis 2, laxe plumosis. Fructus oblongus, teres v. a dorso 
compressus, inelusus at liber. — Arbores v. suffrutices, nune scan- 
dentes; foliis planis; limbi eum vagina articulati venulis transversis 
plus minus conspicuis ; panicula elongata spiciformi v. capituliformi, 
nune composita pyramidata, nune foliata decomposita; spiculis 
varie dispositis; rhachilla supra bracteas articulata ultraque florem 
laud producta. (America calid.?) 
IV. TRITICEÆ. 
123. Triticum T, — Flores in spiculis 2- , hermaphroditi infe- 
riores Î-pauci; superiores masculi v. imperfecti; glumis rigidis v. 
rigidulis variis. Glumellæ longiores : extima oblonga v. ventricosa, 
dors rotundata v. ex parle carinata, aut mutica acuminatave, aut 
plus minus longe v. longissime aristata ; nervis 5-9 ; lateralibus apice 
conniventibus (Agropyrum) v. haud conniventibus, nunc in dimidia 
élumella interiore tenuioribus (Secale), nunc in dentes v. aristas 
distinctas productis. Glumella intima brevior, 2-carinala ; carinis 
“Plus ciliatis, Glumellulæ basi crassæ, apice attenualo cilatæ. 
Samina 3. Styli brevissimi distincti, apice plumosi. Fructus 
Woideus v. oblongus, apice sæpe villosus, postice sulcatus, inclusus 
® be LEA L2 
lbèr. — Herbæ annuæ, biennes v. perennes ; foliis planis v. 
Frs Gram., t. 339 
, : 3. Spec. ad 30. TRIN., Spec. ., t. 339, 
es pl. æquin., 1, 254; Rev, Gram.,t. 17, 340. — NES, in Linnæa, IX, 484. — ERNST, in 
Frans, Lin EXDL., Gen., u. 906. — Munro, in  Trim. Journ. (1872), 262. — SPACH, Suit. à 
un So, AAVI, 52, 4.2. BH, uff., XU, 221. _- E. DESVX, in C. Gay F1. 
7. 111209, n.%82. — Hack., Pflansenfam.,  chil., VI, 445, t. 83. —DŒLL.N Mart. F1. bras., 
bras., 17. — 
* — Ketiberyia do. ; 54. — FouRN. Gram. mex., 
Dendragros "2 RADD., Agrost. bras fl, ME, 194, t. 54. . 
“grostis N&Es, in Linnæa, IX, 487. 131. — Bot. Mag., t 6811: 
