ally a large tree. The type was collected by Fremont in 1846, 

 "on Deer Creek at 'Lassen's' in the Upper Sacramento Valley," 

 in Tehama county. 



Salix bakeri Seemen, Bull. Torr. Club, 30: 635. 1903. 



No. 7263, flowering specimens collected March 12, 1904, 

 mature leaves September 2, 1905, on the foothills west of Los 

 Gatos, Santa Clara county. The specimens were taken from a 

 lo"w, wide-spreading tree about fifteen feet high. It is common 

 in moist places on the lower hills about Los Gatos. 



Salix exigua Nutt. Sylva, 1: 75. 1842. 



No. 7591, collected April 6, in low moist ground about two 

 miles west of Bakersfield, Kern county, .along the Santa Fe rail- 

 road. A low shrub, 6 or 8 feet high, with numerous slender 

 erect branches. The leaves are silky on both sides with appres- 

 sed hairs, sessile or nearly so, the largest 4 or 5 cm. long, 6 or -7 

 mm. wide, usually somewhat falcate, shortly acuminate, abruptly 

 narrowed below, remotely denticulate. The mature pistillate 

 aments are 3 cm. long, on peduncles i cm. long; capsule shortly 

 stalked, glabrous; stigmas sessile. For the present our plant is 

 referred to this species, but it does not accord very well. 



Sai,ix FLUViATiLis Nutt. Sylva, 1: 73. 1842. 



X" No. 78I5, collected May 29, on sandy banks of the Sacra- 

 mento at the bridge near Redding, Shasta county, altitude about 

 515. feet. ., Both male and female specimens were obtained, the 

 plant? growing side by side. 



. . vNiO. 8058, collected June 17, with male flowers and young 

 fruit, on the headwaters of the Sacramento river west of Sisson, 

 Siskiyou county, altitude about 3000 feet. Although Professor 

 Rowlee does not cite this species as occurring in California or 

 on the Pacific slope in his paper in Bull. Torr. Club, 21: 254, 

 my specimens will not fit under any other species according to 

 his key. The leaves are hardly coriaceous, shortly appressed 

 pubescent beneath, on petioles of about 2 mm., the largest 7 cm. 



