SOLANACEAE. 93 



converging around the stigma or partly adhering to it. Filaments partially 

 adnate to the corolla-tube Pollen-grains simple. Gynoecium of 2 distinct 

 carpels or 2 united carpels. Styles united. Stigmas simple. Fruit usually 

 of 2 follicles or drupes. Seed often appendaged. 



1. NEE.IUM [Tourn.] L. Shrubs or trees. Leaves opposite: blades 

 relatively narrow. Corolla salverform, the throat eampanulate, with tootheil 

 scales at the mouth, the lobes spreading, broad. Follicles elongate. 

 1. N, Oleander L. Tree becoming 10 m. tall, or shrub: leaf -blades narrowly 

 elliptic to linear-elliptic, 6-15 cm. long, many-veined: calyx-lobes lanceolate, 

 4.5-6 mm, long: corolla white to rose-purple; limb 3-4.5 cm. wide, the lobes 

 obliquely apiculate: follicles 1-2 dm. long. 



The Oleander, a native of the Levant, grows on roadsides and in fields. {W. I.) 



Order POLEMONIALES, 



Herbs, or sometimes shrubs or trees, the plants of some groups para- 

 sitic. Leaves with dilated blades or scale-like. Flowers mainly perfect. 

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

 regular or irregular, Androecium of as many stamens as there are 

 corolla-lobes, or fewer, sometimes partially represented by staminodia, or 

 partially obsolete. Gynoecium of 2 distinct or several united carpels. 

 Ovary superior. Fruit a capsule, a berry or a drupe, or a group of nut- 

 lets or utricle-like. 



Stamens 5. 



Fruits baccate : styles wholly united : anthers open- 

 ing by pores. " Pam. 1. Solanaceae. 

 Fruits drupaceous : styles partially united : anthers 



opening lengthwise. Fam. 2. Eheetiaceae. 



Stamens 4. 



Corolla not 2-lipped. 



Fruits drupaceous : sepals united. Fam. 3. Verbexaceae. 



Fruits capsular : sepals nearly distinct. Fam. 4. Avicbnniaceae. 



Corolla 2-lipped. 



Placenta of the ovary axile : calyx 5-lobed. Fam. 5. Rhinanthaceae. 



Placenta of the ovary parietal : calyx 2-lobed. Fam. 6. Bignoniaceae, 



Family 1, SOLANACEAE. Potato Family, 



Herbs, shrubs, trees, or vines. Leaves alternate : blades entire, toothed, 

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

 (4-6), more or less united petals. Androecium of 5, (4-6), stamens, the 

 filaments partially adnate to the corolla-tube, Gynoecium 2-carpellary or 

 3-5-carpellary, Fruit a berry or a capsule, 



1, SOLANUM [Tourn.] L, Annual or perennial herbs, or vines or trees. 

 Leaf-blades entire, toothed, or lobed. Flowers variously clustered. Calyx 

 sometimes accrescent. Corolla rotate, of various colors: lobes longer than the 

 tube. Anthers narrow, converging or united, much longer than the filaments. 



1. S. verb asci folium L. Small tree or shrub: leaf-blades oblong to oblong- 

 ovate or ovate, 10-30 cm. long, velvety-tomentose, entire: calyx-lobes ovate, 

 ciliate, obtuse: corolla white, 15-18 mm. wide: lobes ovate to oval-ovate, 

 acutish, ciliate: anthers oblong: ovary pubescent: berries globular, 10-20 mm. 

 in diameter, yellow, — All year. 



The Potato-tree grows in hammocks, or rarely in plnelands in southern 

 peninsular Florida, and on the Everglade Keys and Florida Keys. The yellow heart- 

 wood is close-grained, rather light, and hard. (^V. I.) 



