154 SOLANACEAE. 



orbicular, 1-3 cm. long, obtuse or retuse: peduncles usually shorter than the 

 leaves: calyx-lobes ovate: corolla white, 2.5-3 cm. broad: capsules 4-5 mm. 

 long. Coastal sand-dunes. (Bah.) 



10. ABGTEEIA Lour. Twiuing vines, the pubescence commonly sericeous. 

 Leaf-blades broad, cordate, usually entire. Flowers in axillary peduncled 

 cymes. Calyx often colored within: lobes leathery. Corolla showy, cam- 

 panulate-funnelform. Ovary 2-celled. Stigma slightly 2-lobed. Fruit baccate, 

 indehiscent. 



1. A. speciosa (L.) Sweet. Stem and branches tomentose: leaf-blades broadly 

 ovate, 12-20 cm. long, glabrate above, silvery-pubescent Ix-m-atli. the veins 

 conspicuous: bracts ovate-elliptic, unequal, glabrous within: sepals I .'. nun. 

 long: corolla-tube inflated-cylindric, about 5 cm. long; limb purple. Ever- 

 glades. Nat. of Trop. Asia, and cultivated. (Ant.) 



FAMILY 3. HYDROLEACEAE. WATER-LEAF FAMILY. 



Annual or perennial herbs, or shrubby plants. Leaves alternate or 

 opposite: blades toothed, lobed, or dissected, or rarely entire. Flowers 

 perfect, in scorpioid racemes, or in cymes. Calyx of 5 partially united 

 sepals. Corolla regular, of 5 partially united petals, tin- tube often ap- 

 pendaged within. Androecium of 5 stamens, the filaments partially minute 

 to the corolla. Gynoecium 2-carpellary. Fruit a capsule. 



1. NAMA L. Perennial herbs, or shrubby plants, sometimes spiny. Leaf- 

 blades entire. Flowers in axillary or terminal cymes. Calyx slightly accres- 

 cent: lobes broad. Corolla blue or rarely white, rotate to campanulate. Fila- 

 ments widely dilated at the base. Styles distinct. 



1. N. corymbosum (Ell.) Kuntze. Plants 2-7 dm. tall, unarmed or nearly so, 

 corymbose above: leaf -blades oblong to oblong- lanceolate, acute: calyx-lobes 

 glandular-ciliate : corolla mainly azure-blue, 11-15 mm. long: capsules 4-0 nun. 

 long. Everglades and stream-banks. 



FAMILY 4. POLEMONIACEAE. PHLOX FAMILY. 



Annual or perennial herbs, or woody plants. Leaves opposite or 

 alternate: blades various. Flowers perfect, in variously disposed cynics. 

 Calyx of 5 partially united sepals. Corolla of 5 partially united petals. 

 mostly rotate, funnelform, or salverform. Androecium of 5 stamen-. 

 partially adnate to the corolla. Gynoecium 3-carpellary. Fruit n capsule. 

 mostly included in the calyx. 



1. PHLOX L. Herbaceous or woody erect, diffuse, or creeping plants. 

 Leaves mainly opposite: blades entire. Corolla salverform. Filaments un- 

 equally adnate to the corolla-tube. 



1. P. Dnunmondil Hook. Stems 1-3 dm. tall: leaf -blades narowly oblong to 

 lanceolate, or thone at the base of the stem spatulate-oblanceolate, 1.5-4 cm. 

 long, acute, sessile: calyx 8-9 mm. long; lobes subulate: corolla lavon-lor; 

 limb 1.5-2 cm. wide, the lobes obovate, abruptly pointed: capsule* about 4 nun. 

 long. Pinelands and waste places. Nat. of Texas, and cultivated. PHLOX. 



FAMILY 5. SOLANACEAE. POTATO FAMILY. 



Herbs, shrub*, trees, or v \vs alternate: blades entire, 



toothed, or lobed. Calyx of 5 (4-6), more or leas united sepals. Corolla 



