66 SAPINDACEAE. 



deep-green above, glaucous and more or less pubeseent beneath, truncate and 

 shallowly cordate at the base: pedicels sparingly pubescent at least until the 

 fruit matures: calyx campanulate, 1-1.5 mm. long: samaras green, 1.5-2 cm. 

 long, sparingly pubescent near the base; wings rather -widely spreading. 



The Florid.\ sugar-maple grows in rich woods and hammocks in middle and 

 western Florida. The light-brown heart-wood is close-grained, heavy, and hard. 

 (Cent.) 



2. NEGUNDO [Eay] Ludwig-Boehmer. Trees. Leaf-blades pinnately 

 compound. Flowers dioecious. Stamens mostly 5 or 4. Fruit resembling that 

 of Acer. 



1. N. Negundo (L.) Karst. Tree becoming 25 m. tall: leaflets 3-9; blades 

 oval, ovate, or ovate-lanceolate, often 5-12 cm. long, coarsely toothed: samaras 

 2.5-3.5 cm. long. — Spr. 



The Box-elder grows in rich woods or on river banljs in northern Florida and 

 in the northern portion of the peninsula. The yellowish-white heart-wood is close- 

 grained, light, soft, and weak. Also known as Ash-leaved maple. (Cont.) 



Family 7. SAPINDACEAE. So.^pberry Family. 



Shrubs, trees, or vines. Leaves opposite or alternate: blades simple 

 or pinnate, sometimes 1-foliolate. Flowers dioecious, polygamous, or 

 polygamo-dioecious. or rarely perfect, borne in racemes, panicles, or 

 corymbs. Calyx of 4 or 5 sepals. Corolla of 4 or 5 petals or wanting. 

 Disk sometimes gland-bearing. Androecium mostly of 5 or more stamens. 

 Gynoeeium of 2-4 more or less united carpels. Fruit capsular or baccate. 



Fruits indehiscent, baccate. 



Tetals appendaged, longer than the calyx. 



Fruits lobed, the carpels nearly distinct : androecium and gynoeeium glabrous. 



1. Sapindus. 

 Fruits not lobed, the carpels united : androecium and gynoe- 

 eium usually pubescent. 2. Talisia. 

 Petals unappendaged, about as long as the calyx. 



Ovary 2-celled : leaflets 2, 4 or 6 : calyx persistent. 3. Exothea. 



Ovary 3-celIed : leaflets 3 : calyx deciduous. 4. Hypelate. 



Fruits dehiscent, capsular. 5. Cupania. 



1. SAPINDUS [Tourn.] L. Shrubs or trees. Leaves alternate: blades 

 pinnate. Flowers polygamous, regular. Sepals 4 or 5. Petals 4 or 5, ap- 

 pendaged. Stamens 8-10. Baccate fruit not elongate, lobed. — Winter & spr. 



Leaf-rachis winged : blades of the leaflets obtuse, at least not acuminate : petals 



short-clawed. 1. S. Saponarla. 



Leaf-rachis wingless, blades of the leaflets acuminate : petals 

 long-clawed. 

 Mature carpels globose : seed globose or spheroidal. 2. 8. marginatus. 



Mature carpels oval or obovoid : seed somewhat elongate. 3. S. nianatcnsis. 



1. S. Saponaria L. Tree becoming 10 m. tall or shrub: leaflets 4-7; blades 

 oblong, oval, or obovate, 3-12 cm. long; leaf-rachis winged: mature carpels 

 globose, 14-18 mm. in diameter. 



The Soapberry grows in hammocks on the Everglade Keys and adjacent parts 

 of peninsular Florida and on the Florida Keys. The brown and yellow-tinged heart- 

 wood is close-grained, heavy, and hard. {W. I.) 



2. S. marginatus Willd. Tree 10-15 m, tall, the twigs and inflorescence pubes- 

 cent: leaflets 7-13; blades lanceolate to oblong-lanceolate, 5-15 cm. long: 

 leaf-rachis margined above: mature carpels globose, 10-15 mm. in diameter. 



mu The Wild china-tree grows in hammocks nearly throughout peninsular Florida. 

 (C i'P*^""'"°^° ^^^ yellow-tinged heart-wood in close-grained, heavy, and hard. 



