No. 61. 



DANTHONIA CALIFORNICA Bolaiul. Proc. Cal. Acad. ii. l.s:.' (l«(ili). 



Plant perennial, usually pale green, often jjurple in the inflorescence. 



Culmx erect, or geniculate at the lower nodes, smooth, slender, thickened at the 

 base, leafy nearly to tin; panicle, 1 to 2h feet tall. 



Lcdvcn of radical shoots numerous, with siiort sheaths- and slender, involute 

 blades 4 to 8 indies long: leaves of the culm 4 to (J; sheatlis rather loose, closed at the 

 hairy throat, striate, usually pubescent, mostly shorter than the nearly cfjual inter 

 nodes; blades flat or loosely involute, scabrous, especially toward the involute points, 

 often thinly pubescent, 2 to .j inches long; ligule m'arly obsolete. 



InJIonnccucc a short, simjile i)anicle of .'i to S spikelets on si)rcading, tl»'xuous 

 pubescent pedicels about equaling the spikelets, 



Spikrlrts cuncate, conijjresscd, .5- to .S-tlowcrcd, (! to 8 lines long; enii)ty glumes 

 lance-ovate, with long, cariuatc or involute points which arc oljtuse when unrolled. In- 

 distinctly 3- to 7 nerved, about equal, 6 tf) 7 lines long; floral glume broadly lancr 

 oldong, acuniiniite, with 2 teeth 1 line long at the apex, suiooth excej)t a tuft of 

 l)ilose hairs midway on each margin or often slightly ciliate on the margins thiougli- 

 out, 9- to 11-nerved, 4 to 5 lines long; awn arising at the base ot the sinus, slightly 

 his])id, often twisted and bent, 3 to ■> lines long; ])alet oblong, 3-tootlied at the ajiex, 

 margins llatly infolded, ciliate on the jirominent keels, .'! to 3^ lines long; stamens 3, 

 with blown anthers, li lines long, exserted; ovary smooth; grain opaque, nearly 2 

 lines long; lodindes 2. rather tieshy, .'I-lobed above, i line long; internode of nii-hilla 

 pubescent, less than i line long, the upper joint usually bearing an awncd rudiment. 



I'LATE LXI; rt, spikelet with florets spread .somewhat; b, first empty glume; 

 c, second empty glume; d, floral glume; e, palet;/, floret. 



Central California northward to Washington and eastward to Nevada and Montana. 



