Vor. I] STEWART—BOTANY OF THE GALAPAGOS ISLANDS 55 
Forma albemarlensis nov. forma. 
Foliis subappressis ad apices dilatis 1.9 cm. longis, 5 mm. latis. 
ALBEMARLE Isxt.: Turtle Cove, common on sand beaches, 
(no. 1360). Plate II, fig. 2. Endemic. 
Forma chathamensis Rob. & Greenm. (1), 140; Rob. (1), 
135.—CuHATHAM IsL.: Wreck Bay, Baur. Endemic. 
Forma hoodensis Rob. & Greenm. (1), 140; Rob. (1), 135. 
—GARDNER Ist. (near Hoop Ist.) : common on sand beaches 
(no. 1361). Hoop Ist.: Baur; Snodgrass and Heller. En- 
demic. 
AS spinosus LL.) Sp... Pi 991- (1753); Rob: ‘(1),)135.— 
CHARLES IsL.: Andersson. Of wide distribution. 
A. squamulatus (Anderss.) Rob. Proc. Am. Acad. XLIII. 
22 (1907). Scleropus squamulatus Anderss. (1), 162, (2), 
60. <A. squarrulosus Uline & Bray, Bot. Gaz. XIX. 270 
(1894); Rob. (1), 135.—ALBEMaARLE IsL.: Cowley Bay, 
occasional at 2000 ft. (no. 1363); Tagus Cove, occasional in 
tufaceous soil at 100 ft. (no. 1362). CHARLEs IsL.: Snod- 
grass and Heller. CHatHAm Ist.: Andersson. DUNCAN 
Ist.: Snodgrass and Heller. INDEFATIGABLE IsL.: Academy 
Bay, (no. 1364) ; north side, Snodgrass and Heller; northeast 
side, fairly abundant in loose ashy soil near the shore (no. 
1365). James Ist.: James Bay, fairly common in rocky soil 
on the lower parts (no. 1356). Jervis Ist.: Baur. SEYMOUR 
IsL., NORTH: Snodgrass and Heller. Endemic. 
A. urceolatus Benth. Bot. Sulph. 158 (1844); Rob. (1), 
136.—INDEFATIGABLE IsL.: Andersson. Further distr. adja- 
cent S. Am. from Peru northward. Lower California acc. to 
Rob. 1. ¢. 
A. viridis L. Sp. Pl. ed. 2, 1405 (1763); Rob. (1), 136.— 
ALBEMARLE IsL.: Villamil, occasional to 650 ft., abundant at 
1300 ft., (nos. 1357-1359). Barritneton Ist.: Snodgrass 
and Heller. CHATHAM Ist.: Wreck Bay, abundant in sandy 
soil near the shore and in clay soil in open sunny places at 50 
ft. (nos. 1360-1361). Further distr. general in warm coun- 
tries. 
January 11, 1911 
