Vot. I] STEWART—BOTANY OF THE GALAPAGOS ISLANDS 123 
INDEFATIGABLE Ist.: Academy Bay, occasional, 400-500 ft., 
forming a thick and almost impenetrable mass of vines on trees 
and bushes, 500-650 ft., (nos. 3141-3142). 
Calystegia R. Br. 
C. Soldanella R. Br. Prodr. 483 (1810); Rob. (1), 186.— 
Cuar-es Ist.: Edmonston. Widely distributed. 
Cuscutas:- 
C. acuta Engelm. Trans. Acad. Sci. St. Louis I. 497 (1859) ; 
Rob. (1), 186.—ALBEMARLE IsL.: Tagus Cove, common on 
Rhynchosia minima in open flat areas near the shore (no. 
3092). BrinbLoE Ist.: Snodgrass and Heller. CHartEs Ist.: 
on Boerhaavia viscosa on the lower parts (no. 3094). CHATH- 
AM Ist.: Sappho Cove, occasional on small Scalesia bushes at 
800 ft. (no. 3093). NarsBorouGH IsL.: south side, Snodgrass 
and Heller. Endemic. 
C. gymnocarpa Engelm. |. c. 496 (1859) ; Rob. (1), 186.— 
ALBEMARLE Iszt.: Cowley Bay, Baur. JAmEs Ist.: James 
Bay, fairly common (no. 3095). Endemic. 
Evolvulus L. 
E, hicsutus HIBK. Nov: Gen.’& Sp. UL. 117 (1818).— £: 
glaber Spreng. Syst. I. 862 (1825); Rob. (1), 186.—Asinc- 
DON Ist.: occasional among rocks near the shore (no. 3096). 
ALBEMARLE Isut.: Cowley Bay, Andersson; Iguana Cove, 
Snodgrass and Heller. CuHaArves Ist.: abundant in open 
places in the vegetation above 450 ft. (no. 3097). CHATHAM 
Ist.: Basso Point, occasional in open woodland above 450 ft. 
(no. 3099) ; Wreck Bay, abundant among rocks on the lower 
parts (no. 3098). Duncan IsL.: common on the lower parts 
(no. 3100). INDEFATIGABLE IsL.: Academy Bay, common in 
open woodland at 350 ft. (no. 3101); northwest side, occa- 
sional at 200 ft. (no. 3102). James Ist.: Scouler. SEYMOUR 
Ist., NORTH: Snodgrass and Heller. Further distr. W. Ind., 
San Ahi: 
E. simplex Anderss. (1), 211, (2), 87; Rob. (1), 187.— 
ALBEMARLE IsL.: Tagus Cove, occasional in the flat area near 
the shore and on the tufa hills surrounding the cove (nos. 
