336 



M 1 \\ M WrtH'K I'Vril'U' l-M'I'PrnONS 



VOL. 12 



ri.Ari: lo 



Kiij. I. /)/«/ »'<>/<« (rintiliitd. Ihihit of a portion of a oluinp to 

 show tlu' oharaitoristiis of tho branching and margin. 

 1. Sooooro. \ l.S. 



Fig. 2. Diityota coHtreserns. Throe portions of clumps partly 

 disontttnglod, showing the method of branching of tho 

 upper segments. Haja l\>lifornia. x 1.1. 



