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



A. sp. Rob. (1), 165. — A. parvula var. Haccida Rob. & 

 Greenm. (1), 148. — Duncan Isl. : Baur. 



Croton L. 



C. Scouleri Hook. f. (3), 188; Rob. (1), 165. — Albemarle 

 Isl.: Villamil, common bushes, 100-350 ft, (no. 1804). 

 Barrington Isl. : bushes 6-8 ft. high all over the island (no. 

 1805). BiNDLOE Isl.: common bushes in tufaceous soil (no. 

 1806). Brattle Isl. : low bushes, nearly leafless in October, 

 (no. 1807), Charles Isl. : Snodgrass and Heller, approach- 

 ing var. incanus according to Rob. 1. c. Chatham Isl. : north 

 side, Darwin; Baur. Hood Isl. : bushes 10 ft. and more in 

 height all over the island (no. 1808). Indefatigable Isl.: 

 Academy Bay, occasional bushes to 550 ft. ; southeast side, 

 common bushes all over the lower parts, (nos. 1809-1810). 

 James Isl. : Douglas; Scouler; Andersson; James Bay, Snod- 

 grass and Heller. Jervis Isl. : bushes 4-5 ft. high all over the 

 island (nos. 1812-1814). Narborough Isl.: south side, 

 Snodgrass and Heller. Tower Isl. : Baur. Endemic. 



Var. albescens Muell. Arg. in DC. Prodr. XV. pt. 2, 605 

 (1862); Rob. (1), 165. — Albemarle Isl.: Andersson; Eliz- 

 abeth Bay, Snodgrass and Heller; Tagus Cove, occasional 

 bushes to 4000 ft. (no. 1816). Bindloe Isl. : Baur. Charles 

 Isl. : Andersson ; A. Agassis. Chatham Isl. : Basso Point, 

 common bushes to above 900 ft. (no. 1819) ; Wreck Bay, 

 small trees and bushes on the lower parts (nos. 1817-1818). 

 Indefatigable Isl. : north side, bushes 6-7 ft. high at 300 ft. 

 (no. 1820). James Isl.: Andersson; northeast side, small 

 bushes on lava beds (no. 1821). Endemic. 



Forma microphyllus Muell. Arg. 1. c. ; Rob. (1), 166. — 

 Albemarle Isl. : Andersson. Endemic. 



Var. brevifolius Muell. Arg. 1. c. C. hrevif alius Anderss. 

 (1), 241, (2), 105. Var. brevifolius Muell. Arg. 1. c. ; Rob. 

 (1), 166. — Abingdon Isl. : common bushes 4-5 ft. high below 

 1000 ft. (no. 1822). Albemarle Isl.: Iguana Cove, Snod- 

 grass and Heller. Bindloe Isl. : common bushes (no. 1832). 

 Charles Isl. : bushes rather characteristic of the region be- 

 tween 650 and 1100 ft. This species becomes more abundant 

 with the increase in elevation and forms a belt, around the base 



