ANNONACEAE. 51 



. v 

 5^* 3. P. oleracea L. Plants prostrate: leaf -blades cuneate to obovate, 1-3 cm. 

 long, rounded at the apex: petals yellow, 3-5 mm. long: capsules 5-9 mm. 

 long. — Pinelands, hammocks, waste places, and cultivated grounds, U. S. keys, 

 U. keys, L. keys, L. S. keys. — [E. K.] — {Ber., Bah., Cuba, Ant.) 



Order RANALES. 



Herbs, shrubs, or trees. Leaves mostly without stipules, with entire 

 or dissected blades, in aquatics often various on the same plant. Flowers 

 perfect, monoecious, or dioecious. Calyx and corolla of distinct sepals 

 and petals. Androecium of usually more hyj^ogynous stamens than there 

 are sepals. Gynoeeium of 1 or several distinct or united carpels. Ovary 

 superior. Fruit various. 



3 f Family 1. ANNONACEAE. Custard-apple Family. 



Shrubs or trees. Leaves alternate : blades entire. Flowers perfect, 

 monoecious, or dioecious. Calyx of 3, or 2, sepals. Corolla of mostly 6 

 petals much larger than the sepals, those of the inner series smaller than 

 those of the outer, or wanting. Androecium of many stamens, the anthers 

 terminating in a blunt glandular appendage. Gynoeeium of few or many 

 distinct carpels. Fruit a simple or aggTegate berry. 



1. AJNNONA L. Pungent-aromatic plants. Leaves persistent: blades 

 oblong, oval, or ovate. Petals larger than the sepals, converging. Carpels 

 numerous: style linear. Fruit aggregate. 



Petals very broad : fruits not tuberculate. 



Sepals over 10 mm. wide : outer and inner petals about equal in length. 



1. A. glaira. 

 Sepals less than 9 mm. wide : outer petals much longer than the 



inner. 2. A. palustris. 



Petals narrow : fruits strongly tuberculate. 3. A. squamosa. 



r^^l. A. glabra L. Tree becoming 14 m. tall: leaf -blades oblong to oval or 

 ovate, 10-18 cm. long: outer petals 3-3.5 cm. long: filaments 4 mm. long: 

 fruits 8-12 cm. long: seeds 1.5-20 mm. long. — Hammocks, U. S. keys. — [E. K.] 

 — (Bah., Cuba.) — Poxd-apple. 



1 O'r 2. A. palustris L. Shrub or small tree : leaf-blades oblong to ovate or oblong- 

 lanceolate, 3-12 cm. long, or rarely larger: outer petals 1.5-2 cm. long: fila- 

 ments 3 mm. long: fruit 5-7 cm. long: seeds 9-12 mm. long. — Hammocks, L. 

 keys. — [E. K.] — (Bah., Cuba, Ant.) — Alligator-apple. 



yC^ 3. A. squamosa L. Tree with glabrous or nearly glabrous twigs: leaf -blades 

 mainly oblong or ellij^tic, varying to oblong-lanceolate, mostly 10-15 cm. long, 

 rather slender petioled: sepals broadly deltoid, about 2 mm. long, acute: outer 

 petals narrowly oblong to linear-lanceolate, 24-28 mm. long: berries ovoid to 

 globose-ovoid, 6-10 cm. long, tuberculate, yellowish-green. — Hammocks, U. 

 keys. Nat. of Trop. Am. — (Cuba, Ant.) — Sugar-apple. Sweet-sop. 



^ ^ Order PAPAVERALES. 



Herbs, shrubs, trees, or vines. Leaves with entire, toothed, dissected, 

 or compound blades. Flowers perfect. Calyx of distinct or nearly distinct 

 sepals. Corolla of distinct or nearly distinct petals, or wanting. Androe- 

 cium of few or many hypogynous stamens. Androecium of 2-several 



