410 BOTANICAL GAZETTE [NOVEMBER 
blooming. The stump of the filament continues disorganizing until 
finally only frayed out, dried remnants remain at the point of 
insertion. 
RESULTS OF DEGENERATIONS.—Where degenerations involve 
both stamens and ovary at an early age, the entire bud drops 
before opening. A large percentage of the flowers of an inflores- 
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4 | ut 
it 
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igs 
Fic. 16.—Longitudinal section through abscission region of peduncle; cells 
of epidermis are strongly thickened, and those of cortex are for the most part differ- 
entiated beyond point of further division, except in definite abscission zone, where 
divisions are still in progress; note large number of recently divided cells in sub- 
epidermal layer on left side; their subsequent elongation will produce the strong 
curvature of peduncle; 350. 
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| 
cence is lost in this way. Where the degenerations involve only 
the stamens or only the carpels, or when beginning later in the 
development of the flower, 4 distinct types of mature flowers are 
produced, with all gradations between. 
t. Functional staminate flowers, in which any number of 
stamens, from one to all, reach maturity, although their products 
