1160 CC. GRAMINEJE. [Avenea., 
lat, TIN 
Glumee 2 inferi. vacue, sub arti I , ingeq, rigidulz, 3-5-nerves, 
acutis, muticre v. in aristam brevissimam  productz, tertia florens vacuis contigua, 
D-f-nervis, mutica v. in aristam brevissimam producta, dorso exaristata, superiores 
1-3 pariter florentes sed apice 2-fidse, arista dorsali tenui torta geniculataque ; palea 
glumis brevior, 2-carinata. Stamina 3. Styli distincti, stigmatibus plumosis, Cary- 
opsis.oblonga, glaberrima, exsulca, gluma inclusa, libera.—Gramina annua, foliis angustis 
lut üt Panicula gracilis, in V. avenacea, Koel. (Avena tenui, Mcench), 
angusta, ramulis filiformibus erectis v. demum effusa, in V. macra, Balansa, stricta, 
simplex, fere Gawdinie, sed rhachis inarticulata, et spiculwe pedicellate. —Spiculoe in 
utraque anguste longiuscule. ; 
Species 2, altera per regionem "Mediterraneam late dispersa et in Europa centrali extensa, altera 
Orientalis, —.Par/at. Fl. Ital. i 271. — Host, Gram. Austr. ii, t. 55 (Avena), — Reich. Ie, Fl. Germ. 
1. 97, f. 1690. Nees, Gen. Fl. Germ. Monocot. i. n. 47. 
' Genus Tríseto valde affine, quocum junxerunt Kunth, Trinius aliique, differt glumis rigide pluri- 
mervibus et inferiore florentium arista dorsali carente. . x 
sepius 
pius 
160. Avena, Linn. Gen. n. 91.—Spiculee 2-2o-florw, rarissime 1-florme, paniculatze, 
rhachilla inter flores fertiles articulata, floribus saltem inferioribus hermaphroditis, superi- 
oribus ssepe masculis v. imperfectis. Glum:e 2 inferiores vacus, sub àrticulatione persis- 
tentes, b ; parum inzquales ; florentes dorso rotundate, acut:e, 5-9-nerves, 
apice sepe breviter 2-fidze, inferiores florem  foventes, dorso arista torta geniculata 
instructis, superiores florem d foventes v. ananthre, exaristatee ; palea angusta, 2-dentata 
v.2-fida. Stamina3,. Styli breves, distincti, stigmatibus plumosis: Caryopsis oblonga 
v. elongato-fusiformis, pul v. rarius glabra, hinc profunde sulcata, gluma paleaque 
inclusa, libera v. pales plus minus adhzrens,— Gramina annua v. perennia, sectionis 
diverse habitu diversa. j 
Species ad 40, per regiones temperatas orbis veteris disperse, eum paucis Americanis borealibus 
v.australibus, una alterave ex annuis in variis locis inquilina, — Kunt, Enum. Pl, i. 299. Steud, 
Ayn. Pl. Glum. 929. 
Genus in sectiones 2 sequentes habitu dictinetas, facile pro generibus propriis habendas dividitur:— 
1. Crithe, Griséb. Gramina annua, sepe elata, foliis planis, panieula laxa, spieulis pendulis, flori- 
bus fertilibus 1-2. Glum:e inferiores vacusm, dorso rotundatz, membranacem, 7-9-nerves, sub 
floribus fertilibus rigidiores 5—7-nerves, arista dorsali sepius longa valida. Schreb, Besohr. Grüs. 
1.16,45, 46. — Beauv, Agrostogr. 1. 18, f. 6. — Host, Gram. Austr. ii, t, 56 ad 59; iii. Z. 42 ad 44. 
JNees, Gen. Fl. Germ. Monocot. i, n. 48. Jacq. Ie. Har. t, 23... Reichb. Ic, Fl. Germ. t. 108. Parlat. 
in. Webb, Phytogr. Canar. t 247, 248. — Coss. et. Dur. Explor. Alger. Bot. t. 41... Dell in. Mart. Fl. 
Jiras. ii, iii, £. 29, f. 1. Y 
2. Avenastrum, Koch. Gramina perennia, foliis angustis interdum setaceis, panicula angusta 
stricta v, rarius laxa, spiculis erectis v, rarius patentibus sepius. flores fertiles. plus quam 2 con- 
tinentibus, Glum: inferiores vacus 1-3-nerves v. seeunda rarius Sub-ó-nervis, florentes post 
anthesin rigescentes, 5—7-nerves. Schreb. Beschr. Gwüs. 76,1.9. Host, Gram. Austr. ii. t, 60: ad 
$2; iii; 4 41;iv. 4.31, 82. Reichb. Ic, Fl. Gerin. t. 99 ad. 102, f. 1697. ad 1707. . Guss, Pl. Rar. Ic. 
1.9... Sibi. FI. Grec. 1.89... Boiss, Voy. Hisp. t. 176... C. Gay, FI. Chil. 2.19... Ten. Fl. Nap. 
1.104, f..1 (Zromus). . HgurrRUA, Schur, Enum. Pl. Transsylv. 160. HerrcorRiCHUM, Dess. in 
Heichb. Fl, Germ, Exc, 140^. / 
.. 461. Gaudinia, JBeawv, Agrostogr. 95, pro parte, char, maneo, 1... 19, f. 5.—Spieule 
co-florre, spicatze, ad excavatiónes rhacheos sessiles, rhachilla inter flores articulata et ultra 
flores sepe producta, floribus hermaphroditis. Glumse 2 inferiores vacus, sub articu- 
latione persistentes, herbaces, acutw, mutics, inmquales, extima 3-b-nervis, seeunda 
5-9-nervis; florentes 5-9-nerves, apice 2-dentate v, breviter 2-fidie, arista dorsali tenui 
sepius genieulata basi torta; palea gluma brevior, angusta, 2-carinata, ' 9-dentata, 
Stamina 3. Styli brevissimi, distincti, stigmatibus plumosis. Caryopsis oblonga, exsulea, 
appendice parya villosa coronata ceterum glabra, gluma paleaque inclusa, libera v. vix 
dh —Gramina annua, ccspitosa, bási sepius ramosa, molliter pubescentia v. glabra, 
