210 PROCEEDINGS OF THE AMERICAN ACADEMY. 
Bivens, L. 
B. cutrensts, DC. Prodr. v. 603 (1836). — ALBEMARLE Ist.: Tagus 
Cove, 1230 m. alt., Snodgrass & Heller, no. 887 (hb. Gr.). Further 
distrib. Chili. 
B. rtrosa, L. Sp. 832 (1753). B. leucantha, Willd. Sp. iii. 1719 
(1804) ; Anderss. (1), 187, & (2), 74; Caruel (1), 623; Rob. & Greenm. 
(1), 147. — ALBemArLE Ist.: Andersson. CHarues Isu.: Andersson. 
Cuaruam Isi.: Andersson; Chierchia ; southwest end, middle region, 
Baur (hb. Gr.); Snodgrass & Heller, no. 534 (hb. Gr.). Widely 
distrib. in trop. reg. 
B. rerracta, Brandegee, Zoe, i. 310 (1890). — Arpemarte IsL.: 
Iguana Cove, Snodgrass & Heller, no. 92 (hb. Gr.); Tagus Cove, not 
common inland at 150 to 300 m. alt., Snodgrass & Heller, no. 178 
(hb. Gr.). Crarves Ist.: Snodgrass & Heller, no 420 (hb. Gr.). 
Hoop Ist.: Snodgrass & Heller, no. 732 (hb. Gr.). James Ist.: 
James Bay, most abundant herb, growing everywhere in shade of bushes 
on lava soil, Snodgrass & Heller, no. 380 (hb. Gr.). NarporouGH 
Ist.: southern part, abundant at 600 m. alt., Snodgrass & Heller, 
nos. 316 (hb. Gr.), 338 (hb. Gr.). Probably a recent introduction from 
Mexico or Lower California. Palmer’s no. 923 (coll. of 1890) from 
Manzanillo, Mexico, appears to be identical, Prats 2, ric. 4 (drawn 
from a Galapageian specimen). 
BualnvILieEa, Cass. 
B. rHompBorpea, Cass. Dict. xxix. 493 (1823); Anderss. (1), 178, & 
(2), 69; Rob. & Greenm. (1), 146. Verbesina dichotoma, Murr. Comm. 
Goett. ii. 15, t. 4 (1779). — Atpemarte Ist.: Lee (hb. U. S. Nat. 
Mus.); Iguana Cove, Snodgrass & Heller, no. 99 (hb. Gr.) ; Tagus Cove, 
growing everywhere in tufa soil up to 300 m. alt., Snodgrass & Heller, 
no. 184 (hb. Gr.). Barrtneton Ist.: Snodgrass & Heller, no. 482 
(hb. Gr.). Cuartes Isi.: Baur, no. 118 (hb. Gr.); Snodgrass & 
Heller, no. 442 (hb. Gr.). Cuatuam Ist.: Andersson (hb. Gr.) ; 
Snodgrass & Heller, no. 535 (hb. Gr.). Duncan Ist.: Baur, no. 119 
(hb. Gr.) ; Snodgrass & Heller, no. 698 (hb. Gr.). Hoop Ist. : Baur, 
no. 117 (hb. Gr.) ; Snodgrass & Heller, no. 720 (hb. Gr.). INDEFAT- 
IGABLE Ist.: Andersson ; northern part, Snodgrass & Heller, no. 681 
(hb. Gr.). James Ist.: James Bay, common in lava soil, Snodgrass 
& Heller, no. 389 (hb. Gr.). Narsoroven Ist.: southern part, 
tolerably common at 615 m. alt., Snodgrass & Heller, no. 314a (hb. 
