1922] BAILEY—ANT-PLANTS © 377 
enlarges and becomes somewhat modified in form and structure 
(text figs. 6, 7). The white tomentum is carried outward, so that 
the lower two-thirds of the flowers are not held together by inter- 
al 
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Fic, 7 -—Cecropia angulata: A, longitudinal section of 2 perigone and nearly 
mature seed, showing embryo and various seed coats, X31; B, longitudinal section of 
? perigone, style, ovary, and ovule, showing various types of trichomes, X31; C, basal 
Portion of ¢ inflorescence, showing perigone at point of contact of conferruminate 
pedicels, X4; D, ovary and style, X18; E, mature seed, X20. 
lacing hairs, and an annular depression is formed in the exposed outer 
surface of each perigone. At maturity the scurfy, dark reddish 
brown, oblong seeds (text fig. 7£) have a more or less symmetrical, 
lozenge-shaped, triangular or rectangular contour in cross-section. 
