54 CALIFORNIA ACADEMY OF SCIENCES [Proc. 4TH Ser. 
AMARANTACEAE 
Alternanthera Forsk. 
A. radicata Hook. f. (4), 261, 262; Rob. (1), 134— 
CuHaTHAM Isi.: Darwin. CHar Es IsL.: abundant in barren 
places among lava boulders near the shore (no. 1347). Hoop 
Ist.: Snodgrass and Heller. Endemic. 
A. rigida Rob. & Greenm. (1), 143, 148; Rob. (1), 135.— 
James IsL.: northeast side, occasional bushes 6-10 inches high 
on lava beds near the shore, and to some extent at 700 ft., (no. 
1348). Endemic. 
A. subscaposa Hook. f. (3), 189; Rob. (1), 135.—CHARLEs 
Ist.: Darwin. Duncan IsL.: rare in moist protected places 
around 1250 ft. (no. 1349). Endemic. 
Amaranthus L. 
A. caracasanus HBK. Nov. Gen. & Sp. II. 195 (1817) ; Rob. 
(1), 135—ALBEmar-eE IsL.: Iguana Cove, rare on the sides 
of the cliffs above the cove (no. 1351); Tagus Cove, Snod- 
grass and Heller; Villamil, fairly common in open places on the 
lower parts (no. 1350). Cuartes Ist.: abundant from the 
beach to 1000 ft. during the rainy season (no. 1354). 
CuaTHam Ist.: Wreck Bay, abundant near the shore (no. 
1356). INDEFATIGABLE IsL.: northwest side, Andersson. 
One of the common spring weeds of the islands where it occurs. 
Further distr. northern S. Am. 
A. celosioides HBK. Nov. Gen. & Sp. IT. 194 (1817) ; Rob. 
(1), 135.—Cuartes Ist.: Darwin; Andersson. CHATHAM 
Ist.: Andersson. Further distr. northern S. Am. 
A. sclerantoides Anderss. (2), 59, t. 2, f. 1; Rob. (1), 135. 
—BarrRIncTon Iszt.: Snodgrass and Heller. CHarRtes ISL. : 
common in open sunny places at 450 ft. (no. 1357). CHATHAM 
Ist.: Wreck Bay, common near the shore (no. 1358). Nar- 
BOROUGH IsL.: east side, Snodgrass and Heller. Endemic. 
Forma abingdonensis noy. forma. 
Ramulis diffusis; foliis linearibus late patentibus circa 2.5 cm. longis, 
ad apicem 1 mm. latis. 
ABINGDON IsL.: occasional among rocks at 700 ft. (no. . 
1359). Plate dE igs 31.) endemic. 
