52 CALIFORNIA ACADEMY OF SCIENCES [Proc. 4th Ser. 



500 ft. They increase in size and abundance above this eleva- 

 tion, according to Mr. F. X. Williams, of the Academy's expe- 

 dition, (no. 1344). James Isl. : James Bay, occasional bushes 

 in open woodland around 2000 ft. (no. 1345), Further distr. 

 Mex., S. Am. 



LORANTHACEAE 



Phoradendron Nutt. 



P. florianum (Anderss.) Rob. (1), 133. Viscum Horianum 

 Anderss. (1),219, (2), 92. — Charles Isl. : Andersson. En- 

 demic. 



P. galapageium (Hook, f.) Rob. (1), 133. Viscum galapa- 

 geium Hook. f. (3), 216. — Chatham Isl. : Darwin; Anders- 

 son. Endemic. 



P. Henslovii (Hook, f.) Rob. (1), 133. Viscum Henslovii 

 Hook. f. (3), 216. — Abingdon Isl.: common on trees and 

 bushes, 450-1000 ft., (no. 1102). Albemarle Isl.: Cape 

 Rose, on trees near the shore (no. 1103); Cowley Bay, on 

 trees and bushes above 400 ft. (no. 1106) ; Iguana Cove, com- 

 mon on trees above 300 ft. (no. 1104) ; Tagus Cove, on trees 

 and bushes, 400-4000 ft. ; Villamil, common on bushes near the 

 shore. It also occurs throughout the wooded regions to 1500 

 ft. and is present on small trees and bushes on the rim of the 

 crater at 3150 ft., as well as on trees of Zanthoxylum Fagara 

 on the floor of the same at 2750 ft., (no. 1105). Charles 

 Isl. : common on bushes of Lipochaeta laricifolia, 600-1000 ft., 

 also common on trees of Zanthoxylum Fagara and Scalesia 

 pedunculata at 1100 ft., (no. 1108). Chatham Isl.: Basso 

 Point, occasional on trees at 900 ft. (no. 1107) ; Sappho Cove, 

 on trees and bushes near the shore ; Wreck Bay, Baur. Dun- 

 can Isl. : occasional on bushes at 1250 ft. (no. 1109). Inde- 

 fatigable Isl. : Academy Bay, abundant on trees and bushes 

 near the shore. It increases in size and abundance with the 

 elevation above sea level, (no. 1102) ; southeast side, common 

 on trees and bushes above 400 ft. ; northwest side, abundant 

 above 700 ft. James Isl. : James Bay, abundant on bushes to 

 2500 ft.; northeast side, on trees and bushes above 100 ft. 

 Jervis Isl. : occasional on bushes above 700 ft. This species 



