230 CALIFORNIA ACADEMY OF SCIENCES. 



between tliem. Until we have seen the two species in herb. 

 Bentii., we shall feel inclined to consider both as simply 

 forms of one species. — Magdalena Island, January. 



(§ Poinsettia.) 



Euphorbia heterophylla Linn., var. eriocarpa, var. nov. 

 Glabrous, erect, lower leaves fugacious (not present in our 

 specimens), branching at the summit only, forming a 

 '* bushy' ' top. Leaves oblong lanceolate, entire or remote- 

 ly dentate, and somewhat irregularly margined, J-2.^ cm. 

 long, 3-14 mm. wdde, the young petioles canescent; involu- 

 cres solitary, terminating the young branchlets, peduncles 

 woolly; capsules densely woolly when young, slightly hairy 

 when mature; seeds densely tuberculate on and between the 

 angles, the tubercles white-farinose on the tips. — Comondu, 

 March 21st. 



Euphorbia eriantha Benth. (Bot. Sulph. Voy. , p. 5L) The 

 richest growth and most complete specimens we have ever 

 seen. From Magdalena Island, January 22d, in full fruit. 



(g TiTHYMALUS.) 



Euphorbia dictyosperma Fisch. et Mey. (ind. h. Petrop., 

 1835, p. 37.)— San Enrique, May 2d, full ripe fruit. 



KiciNUS COMMUNIS L. — San Gregorio. 



