92 CALIFORNIA ACADEMY OF SCIENCES [Proc. 4th Ser. 



and Heller. Albemarle Isl. : Iguana Cove, abundant on the 

 sides of the diffs above the cove (no. 1874). Barrington 

 Isl. : Snodgrass and Heller. Identity doubtful ace. to Rob. 1. 

 c. Charles Isl. : Darwin. Chatham Isl. : Sappho Cove, 

 occasional on the beach (no. 1876) ; Wreck Bay, occasional in 

 open vegetation around 200 ft. (no. 1875). Gardner Isl. 

 (near Hood Isl.) : common in loose soil mixed with small 

 particles of lava (no. 1878). Indefatigable Isl. : northwest 

 side (no. 1879). James Isl.: James Bay, Snodgrass and 

 Heller. Identity doubtful ace. to Rob. 1. c. Seymour Isl.^ 

 NORTH : Snodgrass and Heller. Endemic. 



E. galapageia Rob. & Greenm. (1), 144, 148; Rob. (1), 167. 

 — Charles Isl. : Baur. Endemic. 



E. nesiotica Rob. (1), 167. — Seymour Isl._, south: Snod- 

 grass and Heller. Endemic. 



E. nummularia Hook. f. (3), 183; Rob. (1), 168.— Chatham 

 Isl. : north side, Andersson; Baur; Wreck Bay, common in 

 dry sandy soil near the shore (nos. 1880-1881). Endemic. 



Var. glabra Rob. & Greenm. (1), 144, 148; Rob. (1), 168. 

 — Charles Isl. : procumbent shrubs among rocks near the 

 shore (no. 1882) ; Cuevas Bay, Baur. Endemic. 



E. pilulifera L. Amoen. Acad. HI. 115 (1756); Rob. (1), 

 168. — Charles Isl. : abundant in open places near the shore, 

 occasional in rather open brushy country around 900 ft., rare 

 in meadows around 1000 ft., abundant on the sides of the 

 main mountain at 1250 ft. The specimen from the upper eleva- 

 tion is larger and less pubescent than the specimens taken lower 

 down, (nos. 1883-1886). Chatham Isl.: Wreck Bay, 

 abundant in dry sandy soil near the beach (no. 1887). James 

 Isl. : Darwin. Further distr. general in warm countries. 



E. punctulata Anderss. (1), 235, (2), 102; Rob. (1), 168. 

 — Albemarle Isl. : Cowley Bay, Andersson. Duncan Isl. : 

 Baur. Hood Isl. : Baur. Endemic. 



E. recurva Hook. f. (3), 182; Rob. (1), 168.— Chatham 

 Isl. : north side, Darwin; Andersson. Endemic. 



E. Stevensii nov. sp. 



Caulibus erectis gracilibus teretibus glaberrimis; ramis divaricatis 

 teretibus glaberrimis vel subtiliter pubescentibus; foliis oppositis Ian- 



