30 ANONACEiE. Uvaria. 



1. UVARIA. Linn. ; Blume; Alph. DC. mem. Anon. p. 25 ; Endl. gen. Alii. 

 [So named from uva, a, grape ; from the form of the fruit in some species.] 



Sepals 3, united at the base. Petals 6. Ovaries few or numerous. Carpels oblong, baccate, 

 often torulose, pulpy within, several-seeded. Low aromatic trees or shrubs, with deciduous 

 leaves, and usually purplish flowers. 



^. AsiMiNA, Adans. Carpels by abortion 2 - 3 or solitary ; inner petals smaller than the outer 

 ones; flowers solitary on short axillary peduncles, which are sometimes bracteolate. 



1. Uvaria triloba, Torr. Sf Gr. Papaw. 



Leaves oblong, obovate, acuminate, membranaceous ; flowers arising from the axils of 

 former leaves ; petals dark purple, the exterior ones roundish, 3 — 4 times the length of the 

 sepals. — Torr. ^ Gr. jl. N. Am. \.p. 45. Anona triloba, Linn. ; Michx. f. sylv. 2. t. 60. 

 Orchidocarpum arietinum, Michx. fl. \.p. 329. Porcelia triloba, Pers. syn. 2. p. 95 ; Pursh, 

 Jl. 2. p. 383. Asimina triloba, Dunal, Anon. p. 81 ; DC.prodr. I. p. 87 ; Ell. sk. 2. p. 42; 

 Darlingt.fl. Cest.p. 325 ; Lond. arb. Brit. abr. p. 38. 



A shrub or small tree 6-10 feet or more in height, with a smooth grayish bark and slender 

 branches. Leaves 6-8 inches long, 2i - 3^ inches wide, on short petioles ; the veins 

 clothed with a brownish pubescence when young, but smooth when old. Flowers appearing 

 rather before the leaves, on recurved pubescent peduncles. Sepals ovate, green, with a pur- 

 plish pubescence externally. Petals of a dull purple, mixed with yellow, about an inch long, 

 spreading, and more or less recurved. Stamens crowded on the torus. Ovaries 3 to 7, oblong, 

 longer than the stamens. Fruit 2-3 inches long, consisting of one, or sometimes of several 

 pulpy carpels, of a yellowish color. It is usually of an oval form, gibbous and irregular ; 

 fragrant, and palatable to some persons. The seeds are oval, compressed, of a light brown 

 color, and about three-fourths of an inch long ; the albumen is very distinctly ruminated. 



Banks of rivers, in rich damp soil. Greece, Monroe county (Dr. Bradley). On Chau- 

 tauque creek, where it empties into Lake Erie, abundant ; also in several places further 

 east (Dr. Knieskern). Prof. J. Hall informs me that it grows at Lewiston and Middleport, 

 Niagara county. Fl. May. Fr, August. 



