92 BOTANY. 



SPIRANTHES CERNUA, Rich. Near Pit river (August) and McCumber s (July.) 



PLATAXTHERA LEUCOSTACIIYS, Lindl. Gen. & Sp. OrcJi.p. 288. Canoe creek, California; August 1. 



PLATAXTHERA STRICTA, Lindl. 1. c. Crater pass, Cascade mountains; September 1. 



IRIDACE^E. 



IRIS ILEMATOPHYLLA, Fiscli.? ; Hook. Flor. Bor.-Amer. 2, p. 206. McCumber s. 

 IRIS MACROSIPHOX, Torr. in W hippie s report. Sonoma, California ; February. 

 SISYRIIYNCHIUM GRAXDiFLORUM, Dougl. in Bot. Beg. t. 1364. Locality not recorded. 

 SISYRHYXCHIUM BfiRMUDiANA, Linn.; Torr. Fl. N. York 2, p. 291. McCumber s. 



JUNCACE^;. 



LUZULA CAMPESTRIS, DC. Fl. Franc. 3, p. 161. McCumber s, northern California. 



LUZULA PARVIFLORA, Desv. Jour. Bot. 1, }). 144. Crater pass, Cascade mountains ; altitude 

 6,500 feet ; September 1. 



Juxcus CASTANEUS, Smith; var. sepalis capsulam superantibus. Crater pass, Cascade moun 

 tains, 0. T. 



Juxcus BUFONIUS, Linn. Fort Dalles, 0. T. ; September. 



Juxcus TENUIS, Willd. Sp. 2, p. 214. McCumber s, California. 



CYPEEACEJB. 



CAREX LAXUGINOSA, Michx. Fl. 2, p. 175. McCumber s, California. 



CAREX C^ESPITOSA, Linn. Crater pass, Cascade mountains, September ; altitude of 6,700 feet. 



CAREX PYREXAICA, Walil. With the last. Differs from the ordinary state of the plant in 

 being apparently dioecious. No male flowers were found in the specimens. It is a rare species 

 in North America. 



SCIRPUS LACUSTRIS, Linn. Extremely abundant, covering immense areas in the Sacramento 

 valley, Klamath basin, and on the Columbia. The Tule of the Mexicans. 



GKAMINEJL 



ALOPECURUS QEXICULATUS, var. ARISTULATUS, Torr. Fl. N. St. p. 97. Klamath marshes ; August. 



BECKMAXXIA CRUCIFORMIS, Host. McCumber s. 



FESTUCA SCABRELLA, Torr. in Hook. Fl. Bor.-Am. 2, p. 252, t. 233. This grass is abundant 

 over all the Des Chutes and Klamath basins, and on the Cascade mountains, and is the famous 

 &quot;bunch grass&quot; of the emigrants. 



POLYPOGON, (Sp. nov. ?) McCumber s and Pit river. This is not a very rare grass in Cali 

 fornia ; it has the habit of P. Monspeliense, but differs from the genus in the glumes being scarely 

 awned, and in the rudimentary upper palea. 



ELYMUS AREXARIUS, Linn. Banks of Pit river, and in many other parts of California. Some 

 times eight feet in height ; so high that, riding through it, it reached to the top of our heads 

 while seated on our horses. It grows in all parts of California where there are deserted Indian 

 lodges, and is, therefore, called by the inhabitants &quot; rancheria grass.&quot; The seed is threshed 

 out, and eaten by the Digger Indians. 



HORDEUM JUBATUM, Linn. Rhettlake, and throughout northern California and Oregon. 



