274 



POACE.E. 



1. 11. ALOPKcruoiDKs Host, riiam. 1 : -2;] /. 20 (1801). Crypsis 

 aIo/)('Cin-(ii(h'.-i Schratl. V\. (ienii. 1: Kil (ISOO). 



Culms <,'i'niculate, T-'^O cm. h'v^h. Sheaths about half as lou^ as 

 tlu' iutiTuodi's; li^nile a fringe of hairs; blades scabrid above, soon 

 involute. ',*— t em. long, 3-:5 mm. wide. Spike exserted, 1-4 cm, 

 long, 4-5 mm. diam. Sjtikelets oval or cuneate-ol)ovate. about 2 

 mm. long, empty glumes 1-nerved; floral glunu- longer, incurved. 

 1-nerved; palea deeply '2-lol)ed. 



Sparingly introduced along the coast on ballast. 



'i. II. sciKKNoiKKs ],. Host, (Jnim. I:2:J. /. :5(»(1S01). I'/iIrinii 

 ftchu'itdides 1j. Sp. IM. »;o (175:5). ('/•///i.sis .sr/io-)ioi(les Ijum. Tab). 

 Encycl. 1:100 (IMM). 



Culms 7-'rlO cm. high. Sheaths inflated, less than lialf the 

 length of the internodes; ligule a fringe of hairs; blades scabrid 

 above, soon involute, '^-4 cm. long, ■^-:{ mm. wide. Spikes termi- 

 nal aiul axillary, wholly or with bases inchuled in the sheaths, 

 0.5-*^ mm. long, 4-5 mm. diam. Spikelets elliptical or obovate, 



Fio. 4Q.—IMfocIil()a nchanoidfs. A, spikelets;a, 6, empty plumes. (Richardson.) 

 about 2.5 mm. long; empty glumes 1-nerved, about 2 mm. long; 

 floral glume and paleasubequal, the latter emargimite. 



Sparingly introduced along the coast on ballast. Our ])lants 

 were collected on waste ground ne.'ir Philadeli)hia. 



50. (122). Phleum I.. Sp. PI. 59 (1753). L. Syst. Ed. 1 (1735). 

 S'fehpJiuros Aduus. Fam, 2:31 (1703). Achnoilonton lieauv. 

 Agrost. 24, t. 7,/. 5 (1812). ChilochloaX. c. 37, t. 7,/. 3 (1812). 



