FKSTICK.B. 487 



Colorado, Cds.^idi/: Montiuiu, Anderson IGll; Arizona, Toutney; 

 Texas, Xcalkii; Mexico, /'al titer 40 i. 



IiitrodiUH'd from Europe, and very generally distributed over 

 this continent. 



20. E. pilosa (L.) lieauv. A<,n-ost. 71 (1812). Poa pihm L. 

 Sp. ri. G8 (ir")3). Poa Carol iiuana Spreii-x. Mant. Fl. Hid. :?;5 

 (1807). noa piIom^\\\\\\. VxVMn. Ill (1817). Prai/rosfis /'itrs/tti 

 llort. Schrad. Linnaa, 12:451 (18:58). A', ('(iru/i'tiidna {t^im^nv^.) 

 Scril.n. Mem. Torr. Club, 5:40 (18!)5). 



A tufted erect or ascending annual. 30-50 cm. high, l/igulo a 

 bearded ring; blades soft, smooth below. Hat or bec^ojuing involute, 

 the tips often lilil'orm, 10-15 cm. long, 2-3 mm. wide. Panicle 

 narrow at first, spreading when in fruit. 15-30 em. long, rays nu- 

 merous, branching, sonu^ of the lower slightly beardtnl in the axils. 

 Rpikelets on })edi('els usually 4-8 mm. long, narrowly linear, j)ur- 

 plish or dark lead-eolor, becoming pale with age, loosely G-20- 

 flowered, 4-8 mm. long, rachilla scarcely articulate; em})ty glumes 

 thin, iirst 0.8-1.2 mm. long, second 1-nerved and 1.2-1.7 mm. long; 

 floral glume broadly ovate, obtuse or emarginate or abruptly acute 

 when spread, lateral nerves obscure. 1.5-1.8 mm. long; paleacurved 

 inwards, slightly ciliate on (lie keels, 1.3-1.("> mm. long. Craiu 

 ovoid-oblong, sligiitly con'.[)ressed, 1-1.2 mm. lung. I !iavo reluc- 

 tantly abandoned the separation of this from A'. /*Nr<//ii Schrad. I 

 had thought in /'J. piloxa the panicle was narrower, spikelets nar- 

 rower and acute, pedicels longer, lateral nerves more obsmirc, l lie 

 iloral glume obtuse or emarginate. 1 have spent miu-ii time exam- 

 ining every specimen marked A'. ]>ilom in the herbarium of Harvard 

 University. In every one so named the floral glume is ;!-iu'rved. 



Texas, Ncalleti; New ]\[exieo, Jones; C'alifoinia, Paris/i llnilliers 

 1601; Lower California, Puhiter, Otriiff; Mexico. Prittt/Io 4'1, AO. 



Sandy or sterile o])en jdaces. New lOngland to Arizona and ^Mex- 

 ico; also >" Europe, Australia and elsewhere. 



21. E. curtipedicellata Huekl. IVoc Aeiul. I'hila. 97 (18G2). 

 Perennial; erect or decumbent at the basi", GO-'.tO cm. iiigh. 



Sheaths smootli, ciliate at the throat; blailes Hat or involute, sm mih 

 or nearly so, 10-15 cm. long, 3-8 mm. wide. Panicle ditfuse, ovale, 



