66 CALIFORNIA ACADEMY OF SCIENCES  [Proc. 4TH Ser. 
P. sp.—CHATHAM IsL.: Sappho Cove, low bushes on lava in 
the vicinity of the coast. The specimen has a brownish-gray 
succulent stem, linear leaves, and rather large pinkish-white 
flowers. It is a new species to the islands and possibly to 
science, but the specimen is too poor for accurate description 
(no pls id), 
CARYOPHYLLACEAR 
Drymaria Willd. 
D.cordata (L.) Willd. ex Roem. & Sch. Syst. V. 406 
(1819). Holosteum cordatum L. Sp. Pl. 88 (1753). Dry- 
maria cordata Willd. 1. c.; Rob. (1), 145.—ALBeMmarte Ist.: 
Tagus Cove, abundant in open places on the inner wall of the 
crater at 4000 ft. (no. 1512); Villamil; common in moist 
places, 600-1300 ft., (no. 1513). CHar es IsL.: occasional 
in vegetable mold among rocks, 1000-1450 ft., (nos. 1514- 
1516). CHatHam Is~.: Wreck Bay, common above 900 ft. 
(no. 1517). James Ist.: Darwin. Widely distributed. 
MENISPERMACEAE 
Cissampelos L. 
C. galapagensis nov. sp. 
Scandens lignosa, caulibus canaliculatis glabris subtus glaucis; folio- 
rum laminis peltatis triangularibus vel subcordatis 4.3 cm. longis 4.7 
cm. latis apice obtusis vel rotundatis mucronatis utrinque subglaucis, 
petiolis 8-44 mm. longis canaliculatis; inflorescentia mascula axillari 
cymosa longipedunculate ad pedunculi basis bractea membranacea 
praedita; sepalis orbiculari-rhombeis 1.5 mm. longis, nervo medio 
prominulo; corolla disciformi 1.2 mm. lata. 
INDEFATIGABLE IsL.: Academy Bay, abundant on bare lava 
in rather open woods near the coast. A species which is closely 
related to C. glaberrima St. Hil. but differs principally in hav- 
ing the male flowers in cymes instead of panicles, and in the 
sepals being orbicular rhombic instead of lanceolated, with a 
medium rib on each, (nos. 1518-1519). Plate III, figs. 9-10. 
Endemic. 
C. Pareira L. Sp. Pl. 103b (1753) ; Rob. (1), 146.—Asrinc- 
pON IsL~.: common above 500 ft. (no. 1523). ALBEMARLE 
Ist.: Cowley Bay, occasional at 1600-2000 ft., abundant on 
trees above 2000 ft.; Iguana Cove, common on trees and 
