88 CALIFORNIA ACADEMY OF SCIENCES [Proc. 4TH Ser. 
A. sp. Rob. (1), 165.—A. parvula var. flaccida Rob. & 
Greenm. (1), 148.—Duwncan Ist.: Baur. 
Croton L. 
C. Scouleri Hook. f. (3), 188; Rob. (1), 165——ALBEMARLE 
Ist.: Villamil, common bushes, 100-350 ft., (no. 1804). 
BARRINGTON IsL.: bushes 6-8 ft. high all over the island (no. 
1805). BrinpLor Ist.: common bushes in tufaceous soil (no. 
1806). BrattTLe Ist.: low bushes, nearly leafless in October, 
(no. 1807). CuHarves Ist.: Snodgrass and Heller, approach- 
ing var. incanus according to Rob. l. c. CHATHAM IsL.: north 
‘side, Darwin; Baur. Woop Ist.: bushes 10 ft. and more in 
height all over the island (no. 1808). INDEFATIGABLE ISsL.: 
Academy Bay, occasional bushes to 550 ft.; southeast side, 
common bushes all over the lower parts, (nos. 1809-1810). 
James Ist.: Douglas; Scouler; Andersson; James Bay, Snod- 
grass and Heller. Jervis Ist.: bushes 4-5 ft. high all over the 
island (nos. 1812-1814). Narsoroucu Ist.: south side, 
Snodgrass and Heller. Tower Ist.: 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). BINpLoE IsL.: Baur. CHARLES 
Ist.: Andersson; A. Agassiz. 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). JAmeEs Ist.: Andersson; northeast side, small 
bushes on lava beds (no. 1821). Endemic. 
Forma microphyllus Muell. Arg. 1. c.; Rob. (1), 166.— 
ALBEMARLE Isut.: Andersson. Endemic. 
Var. brevifolius Muell. Arg. 1. c. C. brevifolius Anderss. 
(1), 241, (2), 105. Var. brevifolius Muell. Arg. 1. c.; Rob. 
(1), 166.—Axsrincpon IsL.: common bushes 4-5 ft. high below 
1000 ft. (no. 1822). ALBEMARLE IsL.: Iguana Cove, Snod- 
grass and Heller. BinpDLoE*IsL.: common bushes (no. 1832). 
CHARLES Ist.: 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 
