Vol. I] STEWART— BOTANY OF THE GALAPAGOS ISLANDS 89 



of the central mountain, which is noticeable from Black Beach 

 Road during the dry season when most of the other vegetation 

 is leafless or has the leaves very much reduced, (nos. 1823- 

 1824). Culpepper Isl. : F. X. Williams, collector. Croton 

 bushes appear to be very abundant on the top of the island. 

 Gardner Isl. (near Hood Isl.) : Snodgrass and Heller. Hood 

 Isl.: common bushes (no. 1826). Indefatigable Isl.: 

 Academy Bay, occasional bushes and small trees 10-15 ft. high 

 to 300 ft. (nos. 1828-1829) ; northwest side, bushes 6-10 ft. 

 high (no. 1827). James Isl. : James Bay, common bushes to 

 1000 ft. (no. 1830). SeymoiJr Isl.^ north: Snodgrass and 

 Heller. Wenman Isl.: slender trees and bushes (no. 1833). 

 Endemic. 



Var. glabriusculus nov. var. 



Foliis ovatis denticulatis acutis utrinque sparsim pubescentibus; 

 pilis aliis simplicibus aliis stella;tis lamina circa 4 cm. longa 2.4 cm. lata. 



Abingdon Isl. : small trees and bushes, 1000-1650 ft., (no. 

 1834). A variety closely related to var. hrevifolius, differing 

 in the slightly denticulate margins of the leaves and in the 

 presence of simple trichomes. Endemic, 



Var. grandifolius Muell. Arg. 1. c. ; Rob. (1), 166. — Abing- 

 don Isl.: bushes 6-10 ft. high, 1000-1650 ft, (no. 1835). 

 Albemarle Isl. : Villamil, bushes and small trees, abundant 

 at 300-1300 ft, (no. 1836). It should be noted that C. Scou- 

 leri extends up to 350 ft., so there is a slight overlapping of 

 the two forms. Charles Isl. : common bushes, 1000-1350 ft., 

 (no. 1837). Var. hrevifolius extends up to 1100 ft. here, and 

 the leaves increase considerably in size with the elevation, so 

 that there is a close resemblance between var. grandifolius and 

 the more mesophytic form of var. hrevifolius. Chatham Isl. : 

 Wreck Bay, low bushes in open country around 700 ft. (no. 

 1838). James Isl.: James Bay, small trees and bushes 6-12 

 ft. high above 1000 ft., very abundant in woodland around 

 2000 ft., (nos. 1839-1840). It should be noted again that 

 the lower limit of this variety, at this place, is also about the 

 upper limit of var. hrevifolius. Tower Isl. : Snodgrass and 

 Heller. Endemic. 



Var. Macraei Muell. Arg. 1. c. ; Rob. (1), 166. — Albemarle 

 Isl. : Cowley Bay, common bushes, 250-1300 ft., (no. 1842) ; 



