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



(no. 1914). Albemarle Isl. : Cowley Bay, common in wood- 

 land above 2000 ft.; Iguana Cove, abundant on side of cliff 

 above the cove; Tagus Cove, Snodgrass and Heller; Villamil, 

 common in the moist region above 400 ft. and on the rim of 

 the crater at 3150 ft. The specimens from the rim of the crater 

 have smaller leaves than do the specimens collected lower 

 down, (nos. 1915, 1917-1919). Charles Isl.: occasional 

 around 1700 ft. Chatham Isl. : Wreck Bay, fairly abundant 

 in the grassy region above 900 ft. during the rainy season 

 (nos. 1920-1921). Duncan Isl.: occasional in moist shady 

 places among rocks at 1300 ft. (no. 1922). James Isl. : James 

 Bay, Snodgrass and Heller. Narborough Isl. : north and 

 south sides, Snodgrass and Heller. Further distr. S. U. S., 

 Mex., W. Ind., northern S. Am. 



Ricinus L. 



R. communis L. Sp. PI. 1007 (1753); Rob. (1), 170.— 

 Charles Isl. : Andersson. Chatham Isl. : Wreck Bay, 

 around habitations, probably introduced. Widely distributed. 



CALLITRICHACEAE 



Callitriche L. 



C. sp. Wolf, (1), 284; Rob. (1), 170.— Charles Isl. : in a 

 brook near the hacienda, according to Wolf. Probably around 

 1000 ft. elevation. 



CELASTRACEAE 



Maytenus Feuill. 



M. obovata Hook. f. (3), 230; Rob. (1), 170.— Albemarle 

 Isl. : Cowley Bay, occasional bushes near the beach ; Elizabeth 

 Bay, Snodgrass and Heller; Iguana Cove, Snodgrass and 

 Heller; Tagus Cove, common bushes on the lower parts and 

 on the sides of the mountain, occasional at 4000 ft. ; Villamil, 

 common bushes below 300 ft. (no. 1928). Barrington Isl. : 

 low bushes in the vicinity of the shore (no. 1925). Charles 

 Isl. : common bushes in the vicinity of the shore, occasional 

 as high as 1000 ft. The specimens from around the upper limit 

 of distribution have much larger leaves than do the specimens 

 taken near the shore, (nos. 1925-1926). Chatham Isl.: 



