80 University of California Puhlications . [botany 



Ranunculus Californicus latilobus dray. R. Ludovicianus 

 Greene, Bull. Calif. Acad. ii. 58 (18SG) and Fl. Fr. 300 



(1892). 



In meadows on the Johnston Ranch at 4800 ft. alt. 



Ranunculus Cymbalaria PursJi. 



Along borders of a pond at 4500 ft. alt. in the Thomas 

 Valley. (No. 2169.) 



Ranunculus Eschscholtzii Schlechf. 



This alpine species is plentiful along snow banks on the 

 north side of the main peak, where it grows with Oxyria digyna. 

 (Nos. 790, 2414.) 



Thalictrum Fendleri platycarpum Trelease, Proc. Bost. Soc. 



Nat. Hist, xxiii. 304 (1886). 



Not rare at 6000-9000 ft. alt., in the neighborhood of 

 streams. Leaves glabrous, as seen under the hand lens, but 

 under the compound microscope the lower surface is seen to be 

 roughened by the convexity of the epidermal cells as described 

 by Coville.* Inflorescence, with the exception of the sepals and 

 bracts, glabrous. (No. 2497.) 

 Thalictrum polycarpum Wats. Meadow Rue. 



Found in Strawberry Valley at the lower limits of the last. 

 More common in the cafions of the foot-hills. (No. 644.) 



LAURACE^. 



Umbellularia Californica [H. d) A.) Nutt. California Laurel. 



Bay Tree. 



The California Laurel, which assumes the dimensions of a 

 faii'-sized tree in northern California, grows to a height of only 

 about 15 ft. on San Jacinto Mt., which is probably near its 

 southern limit, and where it is confined to the canons of the 

 west side below 5000 ft. alt. It is not rare there and belongs to 

 the Upper Sonoran Zone. 



*Contr. U. S. Nat. Herb. iv. 55 (189.3). 



