1 J2 CALIFORNIA ACADEMY OF SCIENCES [Pkoc. 4th Ser. 



of these are the species of Fossombronia, to which Mrs. 

 Sutliffe has devoted particular care, but it must be admitted 

 that our knowledge of these species is still far from adequate. 

 In the arrangement of the notes Howe's sequence is followed 

 throughout, and all page-references are to his work, unless 

 otherwise noted. 



1. Riccia lescuriana Aust. (p. 15) 



It has recently been shown by Howe 3 that the correct name 

 for this species is R. beyricJiiana Hampe. 



2. Riccia minima L. (p. 23) 



Most writers now apply to this species the later name, R. 

 sorocarpa Bisch. The reasons for doing so have been dis- 

 cussed by the writer.* 



3. Riccia americana M. A. Howe (p. 24) 



According to the later views of its author 5 the species should 

 be considered a synonym of R. austini Steph. 



4. Riccia fluitans L. 



Lily Lake, Marin County, September, 1921, Mrs. Sutliffe. 

 New to California. This widely distributed species has been 

 reported also from the neighboring states of Nevada and Ari- 

 zona and is described by Howe (p. 33). 



5. Neesiella rupestris (Nees) Schiffn. 



This species, which (in the writer's opinion) should be 

 known as Grimaldia rupestris (Nees) Lindenb., has recently 

 been reported from California by Conklin , the record being 

 based on the following specimen: Santa Anita Canyon, San 

 Gabriel Mountains, Los Angeles County, June, 1921, George 

 L. Moxley 997. Through the kindness of Dr. Conklin the 

 writer has had the privilege of examining this specimen and 



"Bryologist 20: 34. 1917. 

 •See Rhodora 12: 195. 1910. 

 "North Am. Flora 14: 17. 1922. 

 "Bryologist 25: 23. 1922. 



