February 20, 1906 127 



Pr^AGiOBOTHRYS cankscp;n.s apkrtUvS Greene, Pittonia, 1 : 21. 

 1887. 

 No. 7758, collected April 24, on a low gravelly ridge on tlic 

 desert about three miles southwest of Mojave, Kern county. 

 Our specimens have the habit and rather harsh pubescence of 

 this plant. The type came from the "plains of the upper vSan 

 Joaquin." 



Pi^AGiOBOTHRYS COOPERI Gray, Proc. Am. Acad. '^O: 285. 

 1885. 



EritrichiujH Cooperi Gray, Proc. Am. Acad. 19: 89. 1883. 



No. 7646, collected April 11, on the edge of the plain two 

 miles west of Pampa Station, Kern county, in sand. It ap- 

 pears to be more leafy than the original, which came from the 

 "Mohave Desert, S. E. California, at Camp Cady." 



Pi.AGiOBOTHRYS NOTHOFULVUS Gray, Proc. Am. Acad. 30: 

 285. 1885. 

 Ejdtrichmm nothofulvum Gray, Proc. Am. Acad. 17 227. 



1882. 

 No. 7618a, collected April 7, a short distance east of Cali- 

 ente, Kern county, in grassy fields, the pubescence of the calyx 

 whitish. 



No. 7720, collected April 18, on grassy slopes near Girard 

 Station in theTehachapi mountains, the pubescence of the calyx 

 tawny, 



CrypTanTHE AFFINIS (Gray) Greene, Pittonia, 1: 119. 1887. 



Krynitskia affinis Gray, Proc. Am. Acad. 20: 270. 1885. 



No. 7642, collected April 11, on a sand hill near Pampa 

 Station, Kern county, where it was abundant. The nutlets are 

 grey, smooth and shining. 



No. 7995, collected June 8, in loose soil on the hills west of 

 Yreka, Siskiyou county, the plants tall, much branched above. 



