122 CALIFORNIA ACADEMY OF SCIENCES [Proc. 4TH Ser. 
to some extent in the interior to 600 ft. (no. 3081). Hoop 
Ist.: 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.—Axinepon Isi.: above 450 
ft. (no. 3082). ALBEMARLE IsL.: Banks Bay, according to 
F, X. Williams; Christopher Point, Snodgrass 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). JAmeEs Ist.: 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). NarsoroucH Ist.: (no. 3089). Further distr. 
SSS Mex: W.lnd., S: Am: 
A. curassavica L. Sp. Pl. 215 (1753).—Cuatuam Ist.: 
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. 
Ac tiaetolia /((Desr.) Wight, le) Pl ind) LV 21, 124671358 
(1850). Convolvulus tiliaefolius Desr. Lam. Ency. III. 544, 
no. 20 (1789). Ipomoea campanulata Rob. (1), 187, not L.— 
ALBEMARLE Ist.: 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). 
