Biological Papers. 9S 



Tribe A:. Hordeese. Rye-grass Tribe. Inflorescence in an equilateral ter- 

 minal spike; spikelets several-flowered, dorsally compressed, upper- 

 most imperfect, sessile and articulating alternately on opposite sides 

 of a flat articulated zigzag rachis. 



445. Lolium perenne L. Smooth Darnel; Perennial Ray-grass. Street 

 parks in cities and other waste places; frequent. July. 



446. Lolium temulentum L. Bearded Darnel; Poison Ray-grass. Waste 

 places in fields, E. K. ; reported from several places, though quite rare. 



447. Agropyron repens Beauv. (Triticum L.) Creeping Wheat-grass; 

 Quack-grass. Waste places, E. K. ; occasional. July. Introduced from 

 Europe. 



448. Agropyron pseudorepens Scribn. & Sm. Rough Wheat-grass; 

 Couch-grass. Waste places in dry fields, general, though commoner in 

 W. K. July. (ASU) 



449. Agropyron occidentale Scribn. (A. glavcum occidentale Vas. & 

 Senbn.) Colorado Blue- joint; Western wheat-grass.' Broken ground on 

 prairies, hedgerows, and waste places in fields; generally over the state, 

 though more frequent westward; not common eastward. July. (ASU) 



450. Agropyron tenerum Vasey. Slender Wheat-grass. Dry prairies, 

 W. K.; frequent. July. (ASU) 



451. Agropyron caninum R. & S. (Triticum L.) Bearded Wheat-grass. 

 In waste lands, N. E. K. ; rare. July. (A) 



452. Triticum sativum Lam. Wheat, including many subspecies, races 

 and varieties, such as T. vulgare Vill., covering the Linnaean species T. 

 aestivum, Spring, and T. hybernum, Winter Wheat, both smooth and 

 bearded; T. compactum, "Dwarf" and "Hedgehog" Wheat; T. turgidum 

 L , Soft English Wheat; and T. durum Desf. , Flint Wheat. Along rail- 

 roads, old wheat fields, etc. ; seldom self-sows a second time from scattered 

 grain. 



453. Triticum dicoccum Schrank. Emmer; Rice-spelt. Numerous va- 

 rieties, always awned. Sparingly grown as a crop at several points in C. 

 and W. K. 



454. Triticum spelta L. Spelt. Varieties, both awned and awnless, 

 raised to some extent as a crop in Kansas. 



455. Secale cereale L. Rye. Frequently self-sows a second time; yet 

 does not become naturalized. 



456. Hordeum nodosum L. Meadow Barley. Meadows and waste 

 places, general. Quite common. June. (ASU) 



457. Hordeum pusillum Nutt. Little Barley. Dry soil, general; com- 

 mon. June. (ASU) 



458. Hordeum jubatum L. Squirreltail-grass. Dry soil, general; com- 

 mon in well-drained spots. July. (ASU) 



459. Hordeum sativum Jessen. Barley, in several subspecies and va- 

 rieties. Escapes from cultivation very rarely. 



460. Elymus striatus Willd. Slender Wild-rye. Woods and banks, 

 quite general; frequent in E. K. ; occasional in W. K. June. (ASU) 



461. Elymus virginicus L. Wild-rye. Moist soil along streams, gen- 

 eral; common. July. (ASU) 



462. Elymus submuticus (Hook.) Beardless Wild-rye. Shades, near 

 water, E. and N. K. ; frequent. July. (S) 



