22 SILVA OF NORTH AMERICA. 



ANONACE^. 



two rows. Those of the outer row are accrescent and spreading, and always larger than those of the 

 inner, which are concave and erect; and in spite of their imbricated arrangement in aestivation, depended 

 on to unite the species with Uvaria, the genus is generally maintained by botanists, 



Asimina is formed from Asminier^ an early colonial name used by the French in America for 

 Asimina triloba} 



^ Asiminier hom Asimina, the Algouqiiin corruption of the south- sleeve, and "min" pi, "mina" fruit, from its shape. Century Die- 

 ern Illinois rasshninay used probably for the fruit ("ras5a," a tiojiary, 1889), 



CONSPECTUS OF THE SPECIES. 



Flowers from axils of deciduous leaves of the preceding year. 



Leaves membranaceonsj mostly acute at both ends, obscurely venulose. 



Flowers large, long-pediceled ; seeds flattened 1. A. triloba. 



Flowers small, nearly sessile ; seeds turgid 2. A, pakviflora. 



Leaves rctuse or obtuse, pubescent when young, subcorlaceous and conspicuously reticu- 

 late-venulose at maturity. Petals white. 



Outer petals three or four times as long as those of the inner row . . , . 3. A, gkai^diflora. 



Outer petals twice the length of those of the Inner row 4- A, cujneata. 



Flowers from the axils of existing leaves. 



Leaves subcoriaceous, reticulate-venulose- 



Leaves linear or narrowly spatulate; flowers large, usually erect; petals white, 



those of the outer row one and a half to two inches long 5. A. axgustifolia. 



Leaves cuncate-llnear to oblong ; flowers nodding, petals green turning purple, those 

 of the outer row less than half an inch long, twice the length of those of the inner 



-^^^ a A. PYGM.EA. 



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