206 PROCEEDINGS OF THE AMERICAN ACADEMY. 
B. perpustLtLa, Hook. f. (3), 218; Anderss. (1), 192, & (2), 77.— 
James Isut.: Darwin. Endemic. 
B. rotunpirout1A, Anderss. (2), 77.— INDEFATIGABLE IsL,: in 
grassy places, Andersson. Endemic. 
B. superecta, Hook. f. (3), 217; Anderss. (1), 191, & (2), 76. B 
linearifolia, Rob. & Greenm. (1), 146 (at least in part), not Hook. f.— 
ALBEMARLE Ist.: Macrae ; Iguana Cove, Snodgrass & Heller, no. 129 
(hb. Gr.) ; southern part, Baur, nos. 135 (hb. Gr.), 140 (hb. Gr.) ; Ta- 
gus Cove, near beach, Snodgrass & Heller, no. 204 (hb. Gr.), probably 
the forma 8 of Hook. f.,1l.c. BarrineronIsx.: Baur (identity doubt- 
ful). Endemic. 
B. sp. Slender simple stems 5 to 7 cm. high from an apparently 
annual root: leaves oblong-lanceolate, hispidulous on and near the 
strongly revolute margin. — Cuatuam Isz.: Snodgrass & Heller, no. 536 
(hb. Gr.). Perhaps a distinct species, but more probably a starved state 
of one of the above. | 
Curococca, P. Br. 
C. racemosa, L. Syst. ed. 10, 917 (1760); Jacq. Stirp. Am. 68; 
Hook. f. (3), 220; Anderss. (1), 195, & (2), 78. C. trisperma, Hook. f. 
(3), 219; Anderss. (1), 194, & (2), 78, t. 9, £2. ©.? Hook. f. (3), 220. 
—Garapacos Ips.: Habel. Astnepon Ist.: Snodgrass & Heller, 
no. 823 (hb. Gr.). Atpewarte Ist.: Macrae; Andersson ; Elizabeth 
Bay, Snodgrass & Heller, no. 267 (hb. Gr.) ; Iguana Cove, Snodgrass 
& Heller, nos. 60 (hb. Gr.), 874 (hb. Gr.) ; Tagus Cove, 190 to more 
than 650 m., Snodgrass & Heller, nos. 144 (hb. Gr.), 172 (hb. Gr.), 
899 (hb. Gr.) ; mountain east of Tagus Cove, alt. 620 m., Snodgrass & 
Feiler, no. 235 (hb. Gr.), alt. 930 m., Snodgrass & Heller, no. 234 
(hb. Gr.). Brnptor Ist.: Snodgrass & Heller, no. 789 (hb. Gr-.)- 
Cuartes Isz.: Andersson (hb. Gr.). Cuatuam Ist.: Darwin; An- 
dersson. James Ist.: Scouler. Nanrporovan Ist.: southern part, 300 
to 600 m. alt., scattered but common, 3 to 5 m. in height, Snodgrass & 
Heller, no. 350 (hb. Gr.). Widely distrib. in trop. Am. ‘The size of the 
leaves varies greatly, and changes somewhat with the age of the plant; 
the fruit is often 2-carpelled and 3-carpelled on the same individual. 
Diopia, L. 
D. Rapvxa, Cham. & Schlecht. Linnaea, iii. 342 (1828); Schumann 
in Mart. Fl. Bras. vi. pt. 6,25. Borreria (Spermacoce asperifolia, Mart. 
