110 61. Z^rna. 10. GRAMINE^. FLend.pk 



9-ribbed, heartshape lobed at the tip ; bristle straight, placed 

 below the tip ; upper short ; lodicide ovate, not notched, 

 smooth ; ovary blunt ; stigmata feathered ; cariopsis husked, 

 furrowed. — Panicle very much branched; branches semi- 

 verticillate, all one way; locustce linear, lanceolate; pedim-^ 

 cles rather wedgeshape. 



Zerna erect a. Upright drank. 



Panicle erect ; peduncles simple, semiverticillate ; locustce 

 upright, flattened; Jlowrets wedgeshape; bristle straight, 

 shorter than the glume ; radical leaves very slender, ciliate, 

 pilose. 



Bromus erecdis, Iluds. Fl.Angl.ed. 1,39, 

 Bromus agrestis, jillioni Pedcm. 2, 249^. 

 Bromus pereniiis, Vilt. Delph. 2, 122, 

 Bromus pseudo-arvensis, Koel, Gram. 241. 

 Bromus angustifolia, Schratik Bavnr. 236, 

 Bromus arvensis, PoUich Palat. 113. 

 Bromus montanus, Flor. Wetter, 14T. 



Dry fields ; perennial ; May to September. 



Roots in tufts; culm 3 feet high, erect, round; radical 

 leaves very long ; stem leaves broad, flat ; sheaths long ; //'- 

 gula short; panicle contracted; peduncles upright, very 

 unequal ; locu^tcB 5 or 6-flowered. 



2. Zerna gigantea. Giant drank. 



Panicle drooping, loose ; peduncles long, in pairs, facing 

 one way; locustce flattened, bald ;j?0(^re/s imbricate; bristles 

 flexuose, longer than the glume ; leaves broad, bald. 



Festuca avenacea q. Gramen avenaceum glabrum, panicula e spicis rar« 

 ^trigosis composita, aristis tenuissimis, Rati Syn. 415, li, 

 Bromus giganteus, Lin. S. P. 114, 

 Festuca gigantea, Vill. Dauph. 2, 110. 

 Bromus aquaticus, Gmel. S^si. Veg. 1, 189. 

 Avena gigantea, Salisb. Prod. 22. 

 Schedonoms giganteus. Gaud. Fl. Helv.MSS. 



Damp woods and hedges ; perennial ; July, August. 

 Root fibrous ; culm 4 feet high, firm, smooth ; leaves 

 Kging, swordshape, firm; sheaths bald; ligula short; 



panicle a foot long; peduncles in pairs; locustce small, whito 



and green, 4 to 7-flowcred. 



(3. trifiorm. Plant smaller ; panicle drooping and spread- 

 ing; locustce 3 or 4 -flowered. 

 Bromus triflorus, Lin. S. P. 115. 

 Festuca triflora, Eng. Bot, 191». 



Dry barren places. 



