ANONACE.fi. (CUSTARD-APPLE FAMILY.) 17 



. LIRIODNimON, L. TULIP-TREE. 



Sepals 3, reflexed. Petals 6, in two rows, making a bell-shaped corolla. An- 

 thers linear, opening outwards. Pistils flat and scale-form, long and narrow, 

 imbricated and cohering together in an elongated cone, dry, separating from 

 each other and from the long and slender axis in fruit, and falling away whole, 

 like a samara or key, indehiscent, 1 - 2-seeded in the small cavity at the base. 

 Buds flat, sheathed by the successive pairs of flat and broad stipules joined 

 at their edges, the folded leaves bent down on the petiole so that their apex 

 points to the base of the bud. (Name from \ipiov, lib/ or tulip, and favdpov, 

 tree.) 



1. L,. Tulipifera, L. Rich soil, S. New England to Michigan, Illi- 

 nois, and southward. May, June. A most beautiful tree, sometimes 140 

 high and 8 - 9 in diameter in the "Western States, where it is called wrongly 

 POPLAR. Leaves very smooth, with 2 lateral lobes near the base, and 2 at the 

 apex, which appears as if cut off abruptly by a broad shallow notch. Corolla 

 2' broad, greenish-yellow marked with orange. 



ORDER 3. ANOJVACE^E. (CUSTARD-APPLE FAMILY.) 



Trees or shrubs, with naked buds and no stipules, a calyx of 3 sepals, arid 

 a corolla of 6 petals in two rows, valvate in the bud, hypoyynous, polyandrous. 

 Petals thickish. Anthers adnate, opening outwards : filaments very 

 short. Pistils several or many, separate or cohering in a mass, fleshy or 

 pulpy in fruit. Seeds anatropous, large, with a crustaceous seed-coat, and 

 a minute embryo at the base of the ruminated albumen. Leaves alter- 

 nate, entire, feather-veined. Flowers axillary, solitary. Bark, &c. acrid- 

 aromatic or fetid. A tropical family, except one genus in the United 

 States, viz. : 



1. A 1311 IV A, Adans. NORTH AMERICAN PAPAW. 



Petals 6, increasing after the bud opens ; the outer set larger than the inne*. 

 Stamens numerous in a globular mass. Pistils few, ripening 1-3 large and 

 oblong pulpy several-seeded fruits. Seeds horizontal, flat, enclosed in a fleshy 

 aril. Shrubs or small trees, with unpleasant odor when bruised ; the lurid 

 flowers axillary and solitary. (Name from Asiminier, of the French colo- 

 nists.) 



1. A. triloim, Dunal. (COMMON PAPAW.) Leaves thin, obovate-lan- 

 ceolate, pointed ; petals dull-purple, veiny, round-ovate, the outer ones 3-4 

 times as long as the calyx. (Uvaria, A. DC., Toi~r. fy Gray.) Banks of 

 streams in rich soil, W. New York and Perm, to III and southward. April, 

 May. Tree 10 -20 high; the young shoots and expanding leaves clothed 

 with a rusty down, soon glabrous. Flowers appearing with the leaves, !' wide. 

 Fruits 2' - 3' long, yellowish, sweet and edible in autumn. 



A. PARVI FLORA., a smaller-flowered and small-fruited low species, probably 

 does not g-ow so ar north as Virginia. 



