fp:8TU(E/E. 499 



m. Floral glume 9-12 mm. long 18 



m. Klonil ghiiiie 8-10 mm. long (n) 



n. Awn k'ris tliuu 2 mm. long 19 



n. Awn 4-<» mm. long 20 



F. C!ulnis not, luilbiforous, paniolo contructed (o) 



o. Fionil gliimt- 8-10 mm. long, ligule I mm. long. . . 21 

 o. Floral glumi! 9-11 mm. long, lignlo 4 mm. long. . . •.*2 



1. M. imperfecta Trin. Hnll. Sc. Acad. St. IVtersh. 1:08 

 (18:5ti). -1/. rnl/xHhoidvs ^wB, Ann. Nat. Hist. 1 : 28;J (1838). J/. 

 panicdii/ca Nntt. .lourn. Acad. JMiila. Sci, 1 : 188 (1847). 



Culms slender, .10-100 cm. high. Sheaths longer than the 

 intornodes; ligule wliite, fringed, 3-4 mm. long; blades <J-7, flat 

 or becoming involute, from smooth to s<'al)rous and j)ilose-jmbes- 

 cent, ^^)-'iO cm. long, about 2 mm. wide. Taniclo linear to lancse- 

 olato, 20-30 cm. long; rays in remote fascueles, very unecjual, the 

 shorter densely flowered to the base, the longer 5-7 cm. long. 

 S])ikelets scabrid, 1-flowored, with an imperfect floret, or rarely 

 2-flowered; empty glumes nearly ovate, first 3-nerved. aljout ',i mm. 

 long, second but little longer, 5-nerved, the lateral nerves ob.xcure; 

 floral glume about 4 mm. long, ovate, obtuse when spread, 

 7-norved, ol'ten purplish; palea nearly us long as its glume; rudi- 

 ment short-})edicelled. 



Shady jdaces, very variable in size and appearance. 



California, Parisli brot/icrs 85G, V. S. Dejjt. Agricul. G40 from 

 Jones 3002; Lower California, Pahner 6G0, (;(;2, PritKjU in 1882. 



Oregon to Lower California. 



Var. flexuosa Holand. Froe. Calif. Acad. 4:101 (1873). 



" liranches of the few-flowered simple panicle generally in pairs, 

 widely spreading, often reflexed; florets larger, acute, paler and 

 more coriaca30us." Thurber in Bot. Calif. 



\'ar. minor Scribn. Proc. Acad. Phila. 42 (1885). 



*'TjOW and densely tufted, short and chiefly radical leaves, com- 

 pressed or angular culms, slender few-flowered ])anicles, the sliort 

 branches divergent or even reflexed; the spikelets generally smaller 

 than in the species, the outer glumes usually shorter and more 

 obtuse." Scribner, I.e. 



