ANNONACEAE. 25 



1. P. rotundata Griseb. Small tree or shrub, the bark pale: leaf -blades 

 thick, broadly oblong or oval, varying to obovate, 2.5-8 cm. long, short- 

 petioled: cymes densely flowered: calyx green or whitish, broadly funnel- 

 form, about 3 mm. long, tomentulose along the edge: fruits broadly or nar- 

 rowly obovoid, 5-6 mm. long. 



The PisoNiA grows in hammocks on the lower Florida Keys. The yellowish 

 heart-wood is coarse-grained and rather weak. (Bah., Cuba.) 



2. TORRUBIA Veil. Unarmed shrubs or trees. Leaves opposite: blades 

 entire. Flowers in cymes. Calyx narrowly funnelform to tubular, with an 

 erect nearly or quite even edge. Fruits juicy, without glands. 



1. T. longifolia (Ileimerl) Britton. Small tree or shrub, the bark pale: 

 leaves 3-7 em. long; blades spatulate to obovate, oblong-spatulate, or oval- 

 spatulate: cymes open; calyx green or greenish, or purplish, narrowly funnel- 

 form, 3-3.5 mm. long, the erect edge glabrous: fruit broadly or narrowly 

 obovoid, 5-6 mm. long. — Spr. & sum. 



The Blolia- grows in coastal hammocks, and in those of the Everglade Keys 

 and Florida Keys. The yellow or brownish-yellow heart-wood is coarse-grained and 

 heavy but rather soft and weak. (11*. /.) 



Order RANALES. 



Herbs, shnibs, 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 hypogynous stamens than there 



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



superior. Fruit various. 



Sepals and petals valvate in the bud : stipules wanting. Fam. 1. Annonaceae. 

 Sepals and petals imbricate : stipules present. Fam. 2. Magnoliaceae. 



Family 1. ANNONACEAE. Custard-apple Family. 



Shrubs or trees. Leaves alternate : blades entire. Flow'ers 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, each 

 anther terminating in a blunt glandular appendage. Gynoecium of few 

 or many distinct carpels. Fruit a simple or aggregate beiTy. 



Carpels distinct, several-ovuled : anther-sacs separated. 1. Asimina. 



Carpels confluent, 1-ovuled : anther-sacs contiguous. 2. Anxona. 



1. ASIMINA Adans, Ill-scented plants. Leaves mostly deciduous: 

 blades broadened upward. Petals 6, much larger than the sepals, spreading. 

 Carpels few: style subulate. Fruit simple. 



1. A. triloba (L.) Dunal. Tree 3-12 m. tall or shrub: leaf-blades cuneate 

 to obovate-cuneate or oblong-cuneate, or rarely obovate, 10-30 cm. long: 

 pedicels 10-20 mm. long during anthesis: inner petals less than 20 mm. long: 

 seeds 20-25 mm. long. — Spr. 



The Papaw grows in rich woods in middle Florida. The yellow or greenish- 

 yellow wood is coarse-grained, light, spongy, and soft. Also known as Custard- 

 apple. (Cont.) 



2. ANNONA L. Pungent-aromatic plants. Leaves persistent: blades 

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

 numerous ; style linear. Fruit aggregate. — Spr. 



