Io6 CALIFORNIA ACADEMY OF SCIENCES. 



shorter and blunt scales. This disposition greatly sim- 

 plifies the study of our American VesicaricB. C . niouilc 

 is to America what C Vcsicaria is to Europe, but prob- 

 ably var^dng into more forms in its great range. Boeckeler 

 (Linna^a xli, 319) unites C . luoiiilc with C . vcsicaria, but 

 there are differences enough to separate them, and their 

 union would lead to great confusion. 



I am unable to determine positively from the material 

 I have examined if C. nionile itself occurs in California. 

 The C. nionile of Bot. Calif., ii, 251, is certainlv var. 

 colorata Bailey (Bolander, 62 11, v. s. Hb. Gray.) In the 

 collection of the Cahfornia Academy of Sciences are 

 specimens referable to this variety. Bolander, 6200, 

 from the Yosemite, referred by W. Boott. to C . vcsicaria 

 in Bot. Calif, is somewhat intermediate, but is evidently 

 the variety colorata. 



