ANDUOPOGONE^. 



23 



lax, very smooth ; ligtile very sliort ; blades erect, flat, some of the 

 lower W cm. long, 1 cm. wide, tlie upper 1-4 cm. long. Punicjle 

 dense, 20-30 cm. long, 2-6 cm. diam., more or less interrui)ted 

 below, clothed with yellowish-white wool, the anthers and the stig- 

 miis protruding. Spikelets in pairs, bearing at the base a tuft of 

 silky hairs 1 cm. long, and scattered hairs on the back of tluf outer 

 glumes; first glume 4 mm. long, oblong, obtuse, ciliate at the ai)ex, 

 5-nerved, second a little shorter, otherwise like the first, third 

 empty, smooth, still shorter, fourth and the jjalea 1.5 mm. long. 



Fro. 5. — Impenitii Jliokvri. ypiki-lot, x 9. (Uicburdson.) 



Stamen 1. Styles united below, 6 mm. long including the ovary. 

 X. Mex,, Wrif/Iif 'Z()Ol ; Texas, Haranl 24; Southern Calif., Parish 

 10;51 ; Mexico (Jalisco), /'a/tiier 444. 



Arizona, Nevada, West Texjis. 



0. (74). MISCANTHUS Anderss. (Efvers. Vet. Akad. Stoekh. Ifi5 

 (1HS5). /':i(/a/i((Tnn. Mem. Acad. St. IVtersb. (vi.) 2 : XVi (is;i;{) 

 in i)art. EmiiUiptis Stoud. Syn. I'l. Gram. \'i'.\ (185.5). 



Spikelets in pairs une(|ually |)edicellate on tiu^ inarticulate 

 branches of the sj)reading panicle. First aiul second glumes mem- 



