110 CONVOLVULACEAE. 



4-7 cm. long: calyx-lobes deltoid to ovate-deltoid, less than 1 cm. long: corolla 

 white; tube 5-6 mm. long; lobes linear-oblong, 3-4 mm. long: drupe 10-14 Him. 

 long. 



Hammocks, F. Keys. (W. I.) 



2. CEEBEEA L. Shrubs or trees. Leaves alternate: blades relatively 

 narrow. Calyx-lobes long. Corolla funnelform, the throat not constricted at 

 the mouth. Drupe broad. Seeds angular. [Thevetia L.] 



1. C. Thevetia L. Shrub: leaves approximate; blades narrowly linear, 8-16 cm. 

 long: calyx-lobes lanceolate, 5-7 mm. long: corolla saffron-colored; tube 2-2.5 

 cm. long; lobes very broad, 34 cm. long: drupe depressed, 34 cm. broad. 

 TRUMPET-FLOWER. YELLOW-OLEANDER. 



Pinelands and waste places, s. pen.Fla. and the F. Keys. Nat. of Trop. Am. (W.I.) 



3. NEEIUM [Tourn.] L. Shrubs or trees. Leaves opposite: blades 

 relatively narrow. Corolla salverform, the throat campanulate, with toothed 

 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. OLEANDER. 



Roadsides and fields, occasional throughout Fla. Nat. of the Levant. (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. 



Fruit capsular : styles or stigmas distinct. Fam. 1. COXVOLVULACEAE. 



Fruit baccate, drupaceous, or of nutlets. 



Fruits baccate : styles wholly united : anthers 



opening by pores. Fam. 2. SOLANACEAE. 



Fruits drupaceous or of 2 or 4 nutlets : styles 

 partially united : anthers opening length- 

 wise. 



Style, or stigmas, not furnished with a glan- 

 dular ring. Fam. 3. EHEETIACEAE. 

 Style, or stigmas, furnished with a glandular 



ring. Fam. 4. HELIOTROPIACEAE. 



Stamens 4. 



Corolla not 2-lipped. 



Fruits drupaceous : sepals united. Fam. 5. VERBENACEAE. 



Fruits capsular : sepals nearly distinct. Fam. 6. AVICENNIACEAE. 



Corolla 2-lipped. 



Carpels ripening into a group of 4 nutlets. Fam. 7. LAMIACEAE. 



Carpels ripening into a capsule. 



Placenta of the ovary axile : calyx 5-lobed. Fam. 8. RHINANTHACEAE. 



Placenta of the ovary parietal : calyx 2-lobed. Fam. 9. BIGNONIACEAE. 



FAMILY 1. CONVOLVULACEAE. MORNING-GLORY FAMILY. 



Annual or perennial herbs, or vines, or rarely shrubs or trees. Leaves 

 alternate, without stipules: blades various. Flowers perfect, regular, 



