Vol. 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 Isl.: 

 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.— 

 Charles Isl.: bushes 5-8 ft. high, 1000-1200 ft., (nos. 711- 

 712). Chatham Isl.: Basso Point, low bushes around 800 

 ft. (no. 713). Endemic. 



B. sp.— James Isl. : 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. PI. 832 (1753); Rob. (1), 210.— Albe- 

 marle Isl. : Cowley Bay, Andersson; Villamil, above 1500 ft. 

 (no. 717). Charles 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 Isl. : Iguana Cove, abundant in open places at 

 200 ft. (no. 743) ; Tagus Cove, common on the lower parts 

 (no. 742). Charles Isl.: common on the lower parts (no. 

 744). Chatham Isl. : Wreck Bay, abundant in open wood- 

 land at 1000 ft. (no. 745). Hood Isl. : Snodgrass and Heller. 

 James Isl. : James Bay, common on the lower parts of the 

 island (no. 746). Narborough Isl.: south side, Snodgrass 

 and Heller. Further distr. Mex. 



Blainvillea Cass. 



B. dichotoma (Murr.) Cass. ace. to Hemsl. Biolog. Cent.- 



Am. Bot. IV. 112 (1886-1888). Verhesina dichotoma Murr. 



Comm. Goett. II. 15, t. 4 (1779). B. rhomboidea Cass. Diet. 



XXIX. 493 (1823); Rob. (1), 210.— Abingdon Isl.: com- 



