376 BOTANICAL GAZETTE [DECEMBER 
for example, the upper anther of each pair tends to be somewhat 
smaller, and to be attached nearer its base to a longer filament. 
The connective may or may not project beyond the apex of the 
anther. The pentangular or hexangular perigones of the female 
aments (text fig. 6) are characterized by having three distinct. 
types of trichomes. They are jacketed both internally and exter- 
nally by dense mats of long, interlacing hairs (text fig. 7). In addi- 
Fic. 6.—Cecropia angulata: A, surface view of portion of 2 ament, showing 
pentangular and hexangular perigones at fertilization, X10; B, surface view of por- 
tion of 2 ament, showing enlargement of perigones during earlier stages in formation 
of seed, X10; C, two types of trichomes from inner wall of perigone, 315; D, cross- 
section of ¢ ament at fertilization, <2.5; E, trichomes from outer apical portion of 
perigone (similar bristles occur on style); 315. 
tion, they have a crown of extremely short, stout bristles on the 
margins of their exposed apical surface, and a fringe of longer 
bristles which project into the constricted upper portion of the 
perigonial chamber (text fig. 6). The glabrous, almond-shaped 
ovary is mottled, dark gray, and bears a cylindrical style which 
terminates in a comose stigma (text fig. 7). The style is provided 
with short, stout bristles, such as occur on the apical portion of 
the perigone. During the development of the seed, the perigone 
