February 20, 1906. 135 



No. 8059, collected June 17, on the banks of the Sacra- 

 mento west of Sisson, Siskiyou county, the plants stout, little 

 branched, the leaves pale, the flowers large, greenish yellow. 



PenTSTEmon NEWBERRY! Gray, Pac. R. R. Rep. 6: 82. 1857. 



Pentstemon Menziesii var. Newberryi Gray, Proc. Am. 

 Acad. 6: 56. 1862. 



No. 8048, collected June 16, back of Sisson Siskiyou county, 

 near the Mt. Shasta trail where it is very abundant, growing in 

 great masses about rocks. One of the most ornamental species, 

 the flowers deep crimson. The type was from "near Mt. St. 

 Joseph's, N. California." 



Pentstemon deustus Dougl.; Lindl, Bot. Reg. 16: pi. iji8. 

 1830. 

 No. 7998, collected June 8, on dry hills at Yreka, Siskiyou 

 county, near stones and rocks, the plants scattered and rather 

 slender. A "native of North-west America, where it was found 

 by Mr. Douglas on scorched, rocky plains, in the interior." 



No. 8049, collected June 16, back of Sisson, Siskiyou 

 county, near the Mt. Shasta trail growing profusely about rocks, 

 the plants diffuse, growing in dense mats with a decidedly 

 woody stem. 



Pentstemon cusickii Gray, Proc. Am. iVcad. 16: 106. 1881. 

 No. 8009, collected June 9, in a field about a mile east of 

 Montague, Siskiyou county, the stems slender, erect. 



Pentstemon glaucifolius Gray, Pac. R. R. Rep. 6: 82. 



1857- 

 No. 7867, collected May 26, at the river bridge near Red- 

 ding, Shasta county, in gravel and sand. It is from type local- 

 ity, and not uncommon at different points along the river near 

 Redding. The sterile filament of the type is sparingly bearded, 

 but glabrous in our specimens so far as examined. However, if 

 this character is inconstant, there are vegetative characters suf- 



