Vor. I] STEWART—BOTANY OF THE GALAPAGOS ISLANDS 149 
B. Pingraea DC. var. angustissima DC. Prodr. V. 420 
(1836); Rob. (1), 209—ALBEMARLE IsL.: Cowley Bay, 
bushes 2-3 ft. high around 1050 ft. (no. 709) ; Villamil, occa- 
sional bushes at 250 ft. (no. 710). INDEFATIGABLE ISsL.: 
southeast side, low bushes at 600 ft. The specimen is sterile 
and doubtful as to species, (no. 710). Further distr. coast of 
Chili, according to Rob. 1. c. 
B. Steetzii Anderss. (1), 177, (2), 68; Rob. (1), 209.— 
CuHartes Ist.: bushes 5-8 ft. high, 1000-1200 ft., (nos. 711- 
712). CHATHAM IsL.: Basso Point, low bushes around 800 
fi (10. 713). endemic. 
B. sp.—JAMES Ist.: James Bay, bushes 7 ft. high. Sterile 
and doubtful, (no. 714). 
Bidens L. 
B. chilensis DC. Prodr. V. 603 (1836); Rob. (1), 210.— 
ALBEMARLE IsL.: Iguana Cove, occasional near the shore (no. 
715); Tagus Cove, abundant in thickets at 4000 ft. (no. 716). 
Further distr. Chili. 
B. pilosa L. Sp. Pl. 832 (1753); Rob. (1), 210—ALBE- 
MARLE Ist.: Cowley Bay, Andersson; Villamil, above 1500 ft. 
(no. 717). CHarRLEs IsL.: occasional, 1000-1400 ft., (nos. 
718-720). CHATHAM IsL.: Wreck Bay, occasional at 1000 
ft. (no. 721). Widely distributed in tropical regions. 
B. refracta Brandegee, Zoe, I. 310 (1890) ; Rob. (1), 210.— 
ALBEMARLE Ist.: Iguana Cove, abundant in open places at 
200 ft. (no. 743); Tagus Cove, common on the lower parts 
(no. 742). Cartes Ist.: common on the lower parts (no. 
744). CHatHam Ist.: Wreck Bay, abundant in open wood- 
land at 1000 ft. (no. 745). Hoop Ist.: Snodgrass and Heller. 
James Ist.: James Bay, common on the lower parts of the 
island (no. 746). NarsorouGH IsL.: south side, Snodgrass 
and Heller. Further distr. Mex. 
Blainvillea Cass. 
B. dichotoma (Murr.) Cass. acc. to Hemsl. Biolog. Cent.- 
Am. Bot. IV. 112 (1886-1888). Verbesina dichotoma Murr. 
Comm. Goett. II. 15, t. 4 (1779). B. rhomboidea Cass. Dict. 
XXIX. 493 (1823); Rob. (1), 210.—AsBinepon IsL.: com- 
