No. 100. 



H YSTRIX CALIFORNICA (Boliuid.) O. Ktze. Rev. Gen. IM. ii. 778 (1891). 

 Oymnogtichum GaliJ'ornicum Bolaiid. in Wats. Bot. (Jal. ii. 327 (1880). 



Plant perennial, with coarse, woolly, roots, and a more or less developed rootstoek ; 



Culms erect, nearly smootli, robnst, 2 to 1 feet tall, leafy nearly to the panicdc. 



Li'iirr.s of the cuhn, 3 or 4; slmaths striate, coarsely pubescent, especially below, 

 nearly e(|ualinji or often exceed! nj;' tlie long internodes; blades tiat, scabrid, taper- 

 pointed, i to 1 inch wide, i to 12 inches long; lij^ule ol)tuse, scarcely 1 line long. 



Inflorescence an erect or jioddinj;', rather loose, si)icate panicle, 5 to 8 inches long, 

 with 13 to \ si)iK-(^lcts on very sliort-curved ])edicels or ])rominent calluses at each of 

 the 15 to 20 nodes of the rachis, or some of the spikelets on short rays at the lower 

 nodes. 



Spikelets 1- to 3-flowered; empty glumes wanting or rudimentary, capillary and 

 early deciduous; doral glumc! lanceolate, acute, rather thick, rather coarsely pubes- 

 cent, it to (5 lines long, prominently 5-nerved, the nerves all joining at the aj)ex in a 

 ligid, hispid awn, about 1 inch long; ita-let broadly lance oblong, sparsely his])id or 

 smootli on the prominent keels, ciliate on the two prominent teeth at the apex; 

 stamens .'5, with yellow anthers 3 lines long, scarcely exserted; ovary i)ubescent, with 

 a single dagger-siniped stigma lA lines long; lodicules fringed, nearly 1 line long; 

 inlernode of rac^hilla pubescent, I tr) 2 lines long, extending beyond the base of the 

 upper floret. 



Plate O; a, florets of a 3-ttowered spikelct; h, tloral glume; <; palet; el, ovary 

 and lodicules. 



California, from .San Francisco southward. 



