BKUNONIACEAE. 181 



Calyx of 5 sepals. Corolla more or less 2-lipped, the tube open on one 

 side to the base. Androecium of 5 stamens, the filaments sometimes 

 cohering. Gynoecium mostly 2-carpellary, the ovary more or less inferior. 

 Fruit capsular or baccate. 



1. LOBELIA L. Annual or perennial herbs. Leaf-blades entire, sinuate 

 or toothed. Flowers in spikes, racemes or panicles. Hypanthium mostly 

 ribbed. Sepals entire or often glandular-toothed. Corolla variously colored 

 or white: upper lip 2-lobed: lower lip 3-lobed. Anthers in a ring around the 

 style, 2 often smaller than the others. Ovary 2-celled. Capsule 2-valved. 



Leaves mostly cauline : corolla over 2 cm. long: androeclum about 1.5 cm. long. 



1. L. glanduloaa. 

 Leaves mostly basal: corolla less than 1.5 cm. long: androecium 



about 1 cm. long. , 2. L.paludosa. 



1. L. glandulosa Walt. Stems 3-12 dm. tall: leaf-blades linear-oblanceolate to 

 linear, 2-15 cm. long, repand or shallowly toothed: hypanthium pubescent: 

 sepals linear-lanceolate, 6-9 mm. long, glandular-denticulate: corolla deep- 

 blue; lobes of the lower lip broadly ovate. Everglades. 



2. L. paludosa Nutt. Stems 2-7 dm. tall: leaf -blades linear-spatulate, or 

 rarely oblong-obovate to linear, 3-25 cm. long, entire or sinuate-crenate : 

 hypanthium glabrous: sepals lanceolate to linear-lanceolate, 3-5 mm. long, 

 shallowly toothed or often entire: corolla light-blue; lobes of the lower lip 

 narrowly ovate. Everglades and low pinelands. 



r 

 FAMILY 4. BRUNONIACEAE. GOODENIA FAMILY. 



Herbaceous or woody plants. Leaves alternate or sometimes opposite : 

 blades entire, toothed, or pinnatifid. Flowers perfect. Calyx of 5 par- 

 tially united sepals, or rarely obsolete. Corolla of 5 equally or unequally 

 united petals. Androecium of 5 distinct stamens. Gynoecium mostly of 

 2 united carpels, the ovary mostly inferior. Stigma surrounded with art 

 indusium. Fruit drupaceous, baccate, or capsular. 



1. SCAEVOLA L. Succulent herbs or shrubs. Leaf -blades mostly entire. 

 Flowers irregular, in cymes. Calyx 5-lobed, or obsolete. Corolla-tube open to 

 the base on one side, the lobes winged. Stigma with a ciliate indusium. Berry 

 with a fleshy exocarp. 



1. S. Plumieri Vahl. Plants 3-18 dm. tall: leaf -blades obovate to spatulate, 

 4-6 cm. long: calyx-lobes rounded: corolla white or pinkish, 22-28 mm. long, 

 woolly within; lobes linear to lanceolate: berries oval to globular, 10-14 mm. 

 long, black. Coastal sand-dunes. F. K. (Ber., Bah., Cuba, Ant.) 



Order CARDUALES. 



Herbs, shrubs, or rarely trees. Leaves mainly alternate : blades entire r 

 toothed, or divided. Flowers perfect, monoecious, or dioecious, few or 

 many aggregated on a receptacle and surrounded with an involucre, or 

 the involucre rarely obsolete. Calyx one or two rows of bristles, scales, a 

 mere border or crown, or obsolete, or wanting. Corolla of several more 

 or less united petals, or wanting. Androecium of usually 5 stamens, the 

 anthers converging, or united. Gynoecium mostly of 2 united carpels. 

 Ovary inferior. Styles or stigmas mostly 2. Fruit an achene. 



