Gramincae. 369 



45. D e s c h a m p s i a Palls. agrost. p. 9 1 . 



1. D. caespitosa L. sp. p. 64; S. et S. pr. I. p. 49; Mazz. iii 

 ant. ion. III. p. 672 {Aira); Palis. agrost. p. 160; Bois. fl. or. V. 

 p. 531. — Icoii: Host gram. II. t. 42. 



Dense caespitosa; culniis elatis; foliis linearibus, planis, superue 

 scabemmis; panicula pyramidali; spiculis bifloris, virescentibus ; gluma 

 superiore 1 — 3 nervi; palea inferiore apice truncato-denticulata, supra 

 basin aristata, arista recta subaequilonga instructa. 



In graminosis campestribus insularum Graecarum frequens (Sibth.); 

 Corcyra: pr. Egripo (Mazz.); sed a recentioribus ut videtur non lecta. 



— Jun. Jul. %. X. V. 



Obs. D. media Gou. ill. p. 3; Mazz. in ant. ion. III. p. 672 

 {Aira); R. et Sch. syst. II. p. 687. — A praecedente foliis convoluto- 

 setaceis, ligula valde elongata et glumis longioribus discedens, indicatur 

 pr. Peramo Corcyrae (^lazz.), sed probabiliter erronee. 



2. D. flexuosa L, sp. p. 65; Mazz. in ant. ion. III. p. 672 

 [Aira); Trin. in bull. ac. St. Pet. I. p. 66. — Icon: Host gram. 11. 

 t. 43. — Exsicc. : Orph. fl. gr. n. 1075 (Macedoniae). 



Caespitosa; culmis erectis; foliis setaceo-convolutis, vix scabridulis; 

 panicula oblonga; spiculis bifloris, variegatis; gluma superioi-e 1 nervi; 

 palea inferiore apice truncato-denticulata, supra basin aristata, arista 

 geniculata et inferne torta, ea sesquilongiore instructa. 



In graminosis montanis. Indicatur pr. Potamo Corcyrae (Mazz.); 

 occurrit in nit. Peristeri Macedoniae (Orph.); fortasse in Thessalia boreali. 



— Jun. Jul. 2j.. N. V. 



46. Avenastrum Koch syn. p. 795. 

 a. Gluma inferior uninervia, superior trinervia. 



1, A. convolutum Presl. cyp. et gram. sic. p. 31; Bois. fl. or. 

 V. p. 545; Gehni in bull. soc. bot. it. 1889 p. 453; Haussk. symb. 

 p. 42 [Avena). — Avena faUax Ten. fl. nap. III. p. 96. — Avena 

 sempervirens Ch. et B. exp. p. 41, Fl. pelop. p. 7; Fraas fl. class. 

 p. 304; Ung. Keise p. 116; non Vill. prosp. p. 17, quae foliis minus 

 rigidis, planis vel laxe convolutis et flosculis spicularum summis muticis 

 distinguitur. — Avena st7'iata Vis. fl. dalm. I. p. 70; non Lam. enc. 

 I. p. 332, quae = A. sempervirens Vill. — A. Heldreichii Parl. 

 fl. palerm. I. p. 111. — Avena JilifoUa Hal. beitr. fl. Achaia p. 34; 

 Bald. riv. coll. bot. alb. 1895 p. 74; non Lag. elench. p. 4, quae 

 culmis rlgidioribus, basi vaginis intensius fuscis cinctis, foliis junceis, 

 pungentibus, prope ligulam tomentoso-pubescentibus et .■^piculae axi- 

 longius pilosa specifice differre videtur. — Huc forsan quoque: A. versi- 

 color Mazz. in ant. ion. III. p. 674. — Icon: Guss. pl. rar. t. 9. — 

 Exsicc: Orph. fl. gr. n. 1101; Heldr. herb. norm. n. 1295; Baen. herb. 

 europ. n. 9213. 



V. Haliicsy, Flora Graeca. III. 24 



