372 BOTANICAL GAZETTE [DECEMBER 
viduals are huge, 56-98cm. long, 56-84 cm. wide, coriaceous, 
glossy glabrous above, and are provided with only a microscopic 
layer of closely appressed white hairs in the areoles of the lower 
G. 2.—Cecropia angulaia: typical leaves from tall tree, showing variability in 
size; Ce ~—Photograph by JoHn TEE-VAN 
surface. They are divided to within 4-7 cm. of the base into 9-11 
cuneate-obovate or spatulate lobes which have undulate margins 
(text fig. 2). 
Although at first sight most of the vegetative characters appear 
to be extremely variable, many of them are relatively stable during 
