122 CALIFORNIA ACADEMY OF SCIENCES [Proc. 4th See. 



to some extent in the interior to 600 ft. (no. 3081). Hood 

 IsL. : bushes at 600 ft. (no. 3077). Indefatigable Isl. : 

 Academy Bay, low bushes near the shore (no. 3078) ; north 

 and northeast sides, on the beach. Endemic. 



ASCLEPIADACEAE 



Asclepias L. 



A. angustissima Anderss. (1), 196, (2), 79; Rob. (1), 185. 

 Vincetoxicum ?, Rob. (1), 186. — Abingdon Isl.: above 450 

 ft. (no. 3082). Albemarle Isl.: Banks Bay, according to 

 F. X. Williams; Christopher Point, Snod grass and Heller; 

 Cowley Bay, at 800 ft. ; Tagus Cove, occasional on lava beds 

 at 300 ft. (no. 3083) ; Villamil, abundant on bushes and rocks 

 near sea level (no. 3084). Charles Isl. : occasional on lava 

 fields. Duncan Isl. : vines covering rocks at 1275 ft. Inde- 

 fatigable Isl. : southeast side, vines on rocks at 600 ft. (no. 

 3086). James Isl.: James Bay, common to 900 ft., one of 

 the first phanerogamic plants to invade the recent lava at this 

 place, (no. 3087). Jervis Isl. : occasional vines, 650-1050 ft., 

 (no. 3088). Narborough Isl. : (no. 3089). Further distr. 

 S. U. S., Mex., W. Ind., S. Am. 



A. curassavica L. Sp. PI. 215 (1753). — Chatham Isl.: 

 Wreck Bay, abundant in the grassy region around 900 ft. (no. 

 3090). Further distr. S. U. S., Mex., W. Ind., S. Am. 



CONVOLVULACEAE 

 Argyreia Lour. 



A. tiliaefolia (Desr.) Wight, Ic. PI. Ind. IV. 1, 12, t. 1358 

 (1850). Convolvulus tiliaefolius Desr. Lam. Ency. III. 544, 

 no. 20 (1789). Ipomoea campanulata Rob. (1), 187, not L. — 

 Albemarle Isl. : Iguana Cove, common on trees and bushes ; 

 Turtle Cove, abundant in woodland near the shore (no. 3136) ; 

 Villamil, on trees and completely covering large masses of lava 

 in the vicinity of the shore, abundant, covering bushes in great 

 profusion in open places in the vegetation, at 600-1000 ft., 

 and occasional among rocks at 3150 ft., where the specimens 

 have smaller leaves than on the lower levels, (nos. 3137-3140). 



