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. AEGYREIA Lour. Twining 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 beneath, the veins 

 conspicuous: bracts ovate-elliptic, unequal, glabrous within: sepals 4-5 mm. 

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

 glades. Nat. of Trop. Asia, and cultivated. — {A7it.) 



Family 3. HYDROLEACEAE. Water-leaf Family. 



Annual or perennial herbs, or shnibby 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, the tube often ap- 

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

 to the corolla. Gynoeeium 2-carpellai'y. 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: calyxdobes 

 glandular-ciliate : corolla mainly azure-blue, 11-15 mm. long: capsules 4-6 mm. 

 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 cymes. 

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

 mostly rotate, funnelform, or salverform. Androecium of 5 stamens, 

 partially adnate to the corolla. Gynoeeium 3-carpellarj'. Fruit a capsule, 

 mostly included in the calyx. 



1. PHIiOX 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. Drummondii ITook. Stems 1-3 dm. tall: leaf -blades narowly oblong to 

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

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

 limb 1.5-2 cm. wide, the lobes obovate, abruptly pointed: capsules about 4 mm. 

 long. — Pinelands and waste places. — Nat. of Texas, and cultivated. — Phlox. 



Family 5, SOLANACEAE. Potato Family. 



Herbs, shrubs, trees, or vines. Leavtes alternate: blades entire, 

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



