148 CALIFORNIA ACADEMY OF SCIENCES [Proc. 4TH SER. 
Ist.: Basso Point, fruiting in February. INDEFATIGABLE ISL.: 
southeast side, bushes on the beach. Widely distributed in 
warm countries. 
COMPOSITAE 
Acanthospermum Schrank. 
A. lecocarpoides Rob. & Greenm. (1), 141, 146; Rob. (1), 
208.—CuaTHAM IsxL.: Sappho Cove, common bushes 3-4 ft. 
high in woodland at 800 ft. Except for the presence of spines 
on the achenes the specimens from this island are more like 
Lecocarpus foliosus than an Acanthospermum, (no. 700). 
GARDNER Ist. (near Hoop Ist.) : common bushes 2 ft. high. 
Some of the specimens from this island have some of the leaves 
deeply cut, as do the specimens from Chatham Isl., while others 
have them shallowly pinnatifid, as described by Rob. & Greenm., 
l. c., from specimens taken on the adjacent Hood Island, (no. 
701). Hoop Ist.: Baur; Snodgrass and Heller. Endemic. 
A. microcarpum Rob. (1), 208.—Cuartes Ist.: Snodgrass 
and Heller. Endemic. 
Ageratum L. 
A. conyzoides L. Sp. Pl. 839 (1753). A. latifolium Hemsl. 
Biolog. Cent.-Am. Bot. II. 82 (1881) ; Rob. (1), 209.—ALBE- 
MARLE Isx.: Villamil, common at 1800 ft. and on the south- 
east rim’ of the crater at 3150 ft. (noe. 702)." (CHARLES: Isez: 
occasional, 1250-1550 ft., (nos. 703-705). CHatHam IsL.: 
Wreck Bay, fairly abundant in the open grassy country around 
1700 ft. (no. 706). Further distr. Costa Rica. 
Ambrosia L. 
A. artemisiaefolia L. Sp. Pl. 988 (1753).—Cuartes ISL. : 
abundant in a restricted area in the open bushy country at 1000 
ft. (no. 708). Widely distributed. 
Aplopappus Cass. 
A. lanatus Hook. f. (3), 215; Rob. (1), 209.—GaLapacos 
Ips.: Du Petit-Thouars. Endemic. 
Baccharis L. 
B. pilularis DC. Prodr. V. 407 (1836) ; Rob. (1), 209.— 
Cuarces Ist.: Edmonston. Further distr. Pacific Coast of 
Wes: 
