84 Writings of Edward L. Greene. (zon 
_ Cardamine cardiophylla Greene as well as the revived syno- 
nyms C. infegrifolia (Nutt.) and C. Californica are all apparently 
forms of the varying C. paucisecta Benth. C. cuneata Greene 
known only in immature specimens may belong here also, but 
the foliageis more dissected. C. zntegrifolia (Nutt.) is apparently 
the oldest name. 
Streptanthus Parryt Greene is Caulanthus Lemmoni Wats., 
the older name. 
Streptanthus niger, peramenus, albidus, barbiger, Biolettit, pul- 
chellus, Mildred@, and secundus Greene are nearly all separated by 
inconstant claracters from S. g/andulosus. Watson in one of his 
later papers reduced peramenus and albidus; pulchellus and 
secundus are the same thing from the same locality. 
Thysanocarpus ramosus* Greene is 7. elegans F. & M. 
Cerastium grande Greene is certainly C. maximum Ledeb. 
Silene purpurata Greene, by the description, seems to be 
S. repens Ledeb. 
Szlene simulans Greene is S. laciniata Cav. 
Alsinella ciliata Greene is Sagina apetala I,. 
Paronychia pusilla Greene is Herniaria cinerea lL. another 
waif from the Mediterranean region. A second species 7. 
glabra was collected by Mr. Congdon, near Darrah, in Mariposa 
County, some years ago. Mr. Greene might be forgiven for 
renaming the obscure weeds which make their advent into Cali- 
fornia if he would but acquire the knowledge necessary to place 
them in the proper genera. 
Tissa pallida, T. leucantha, T. Ti alinumt & T. valida} Greene 
are forms of that species of which the oldest name is, apparently, 
macrotheca. T, Talinum and T. valida are perfectly inexcusable. 
Tissa Clevelandi Greene is rubra, the perennial form. 
Tissa tenuis Greene is Lepigonum gracile Wats. and both are 
probably referable to diandra and perhaps to still older names. 
The type of tenuis was collected at Alameda and Dr. Kellogg 
collected it at the same place more than ten years earlier. It 
often has four stamens, and is perhaps never truly apetalous ; 
like gracile it has from one to four small. obovate, hyaline petals 
* Bull. Cal. Acad. ii, 390. 
t Eryth. 106 and 107. 
