Vol. I] STEWART— BOTANY OF THE GALAPAGOS ISLANDS 123 



Indefatigable Isl. : 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.— 

 Charles Isl. : Edmonston. Widely distributed. 



Cuscuta L. 



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). Binb-lobIs-l.: Snodgrass and Heller. Charles Isl. : 

 on Boerhaavia viscosa on the lower parts (no. 3094) . Chath- 

 am Isl. : Sappho Cove, occasional on small Scalesia bushes at 

 800 ft. (no. 3093). Narborough Isl. : south side, Snodgrass 

 and Heller. Endemic. 



C. gymnocarpa Engelm. 1. c. 496 (1859) ; Rob. (1), 186.— 

 Albemarle Isl.: Cowley Bay, Baur. James Isl.: James 

 Bay, fairly common (no. 3095). Endemic. 



Evolvulus L. 



E. hirsutus HBK. Nov. Gen. & Sp. III. 117 (1818). E. 

 glaber Spreng. Syst. I. 862 (1825); Rob. (1), 186.— Abing- 

 don Isl.: occasional among rocks near the shore (no. 3096). 

 Albemarle Isl. : Cowley Bay, Andersson; Iguana Cove, 

 Snodgrass and Heller. Charles Isl.: abundant in open 

 places in the vegetation above 450 ft. (no. 3097). Chatham 

 Isl. : 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 Isl. : >Sco?</^r. Seymour 

 Isl., north : Snodgrass and Heller. Further distr. W. Ind., 

 S. Am. 



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. 



