126 CALIFORNIA ACADEMY OF SCIENCES [Proc. 4TH SER. 
EY DROPHYLLACEAL 
Hydrolea L. 
H. dichotoma Ruiz & Pavon, FI. Per. III. 22, t. 244 (1802). 
—ALBEMARLE IsL.: Tagus Cove, occasional in lava crevices 
at 4000 ft. (no. 3144). Further distr. Mex., W. S. Am. 
BORAGINACEAE 
Coldenia L. 
C. Darwini (Hook. f.) Girke in Engl. & Prantl, Nat. Pflan- 
zenf. IV. Ab. 3a, 90 (1893). Galapagoa Darwini Hook. f. 
(3), 196. C. Darwini Girke |. c.; Rob. (1), 189.—ABINGDON 
IsL.: common on lava beds near the shore (no. 3144). ALBE- 
MARLE Isxt.: Tagus Cove, common in tufaceous soil on the 
lower parts (no. 3146) ; Villamil, abundant in loose ashy soil in 
open places near sea level (no. 3145). BiNnpLoe IsL.: com- 
mon near the shore (no. 3147). CuHartes IsL.: abundant on 
sand beaches (no. 3148). CHATHAM IsL.: Basso Point, com- 
mon on the beach (no. 3149). INDEFATIGABLE IsL.: north 
side, abundant on sand beaches (no. 3151); northwest side, 
Baur; southeast side, common on sand beaches and to some 
extent in dry open places in the interior (no. 3150). JAMEs 
Ist.: Orchilla Bay, Baur. Jervis Is_t.: a few specimens were 
seen at 950 ft. (no. 3152). There is much variation in the size 
of the glomerules, these being large in some specimens and 
small in others. The arrangement of the glomerules varies 
from closely crowded to well separated. Some of the speci- 
mens are without rigid setae, a character which such specimens 
share with C. fusca. Endemic. 
C. fusca (Hook. f.) Gtrke 1. c. Galapagoa fusca Hook. f. 
(3), 196. C. fusca Gurke |. c.; Rob. (1), 189.—ALBEMARLE 
Ist.: Tagus Cove, Snodgrass and Heller; Villamil, Baur. 
BARRINGTON IsL.: covers a small area at 350 ft. (no. 3155). 
BRATTLE Ist.: (no. 3156). CHARLES IsL.: occasional among 
rocks in the vicinity of the shore (no. 3154). CHatTHAm Is_.: 
Wreck Bay, Baur. Hoop Ist.x abundant on sand beaches (no. 
3153). INDEFATIGABLE IsL.: northwest side, Andersson. 
SEYMouR IsL., soutH: Snodgrass and Heller. The two spe- 
cies of Coldenia found on these islands are so closely related to 
