94 University of California Publications in Botany [VOL. 9 



6. CINNA 



1. Cinna latifolia Griseb., in Ledeb., Fl. Ross., vol. 4, p. 435. 1853. 



Agrostis latifolia Trev., Groepp., Beschr. Bot. Gaert. in Breslau, p. 82. 1830. 

 Cinna arundinacea var. pendula Gray, Man., ed. 2, p. 545. 1856. Bot. 



Calif., vol. 2, p. 276. 1880. 

 Cinna. Bolanderi Scribn., Proc. Phila. Aead. 1884, p. 290. 1884. 



Type locality. Not ascertained. 



Range. North temperate zone in its cooler part ; in North Amer- 

 ica south to New England, Great Lakes, New Mexico, and California. 



Zones. Transition and Canadian. 



Specimens examined. Emigrant Gap, Bolander, June, 1869 ; Sum- 

 mitt (Kellogg), August 8, 1870; Mariposa Big Tree Grove, Bolander 

 (no. 22 of small collection) ; Eagle Peak meadows, 7,100 feet. Smiley 

 494. 



Cinna Bolanderi Seribn. was described as having three stamens 

 instead of one as in the typical form; there is preserved in the Gray 

 Herbarium a sheet of what appears to be a part of the type collection 

 (Bolander 22 as above), and this shows but a single stamen in some 

 florets, two or three in others. 



7. AGROSTIS 



Plants producing short rhizomes 1. A. lepida 



Plants without rhizomes. 



Panicle narrow, its branches erect 2. A. rossae 



Panicle open. 



Panicle branches, or some of them, widely divergent 3. A. hiemalis 



Panicle branches not divergent. 



Plant small, 4-18 inches tall 4. A. tenuis 



Plant large, over 20 inches tall; lower branches of panicle in distinct 

 whorls 5. A. Schiedqana 



1. Agrostis lepida Hitchc., in Jepson, Fl. Calif., vol. 1, p. 121. 

 1912. 



Type locality. "In open gravelly woods, Siberian Pass, Sequoia 

 National Park, California." Hitchcock 3455. 



Range. Southern Sierra Nevada. 



Zone. Arctic-alpine. 



Specimen examined. Farewell Gap, 11,000-12,000 feet, Purpus 

 5206. 



Professor Hitchcock cites several specimens, all of his own collec- 

 tion, from the alpine region of Mt. Whitney. 



