April 2, 1907 261 



Tktradymia spinosa II. & a. P>ot. Beech. 360. r8,|o. 



Lagothammis microphyllus Niitt. Trans. Am. Pliil. vSoc. II. 

 7: 416. 1841. 



No. 8192, collected May 7, on steep slopes in vSilver canyon 

 opposite Laws, Inyo county. Also plentiful all through Owen's 

 valley. A handsome shrub with long needle-like spines, the 

 flowers with a strong honey odor. The type was collected in 

 the "Snake Country," Idaho. 



TetrAdymia glabrATA Gray, Pac. R. R. Rep. 2: 122. 1855. 



No, 8332, collected May 25, on the east side of Owen's val- 

 ley in the extreme southern part of Mono county, near the 

 Southern Belle mine. Not plentiful there, but reported as 

 abundant in other parts of the valley. The type came from "in 

 the Sierra Nevada." 



Senecio moiioeiisis Greene, Leaflets, 1; 221. 1906. 



No, 8330, collected May 25, in the extreme southern part 

 of Mono county, on slate hills in the White mountains near the 

 Southern Belle mine. Abundant there as well as in Silver can- 

 yon about four miles further south. This is one of the species 

 which does not look like Senecio. I had no thought that it be- 

 longed to the genus. 



Carduus occidenTalis Nutt. Trans. Am. Phil. Soc. II. 7: 418. 

 1841. 



Cnictis occidentalis Gray, Proc. k\x\. Acad. 10: 45. 1874. 



Cirsium occidentale Jepson, F'l. West. Mid. Cal. 509. 1901. 



No. 8379, collected June 8, in San Mateo county near Ocean 

 View, San Francisco, on the Lake Merced side of the Ocean 

 Shore tracks in sandy soil. A species limited to the immediate 

 vicinity of the coast from San Francisco southward. 



