140 FAM. 171, 172 



undeveloped corolla; the later ones with calyx and corolla 5- 

 lobed; stamens 5; ovary 3 celled and stigmas 3. Fields. Spring, 

 to Fall. - - Specularia, Venus' Looking-glass 



S. perfoliata. Stem erect, prickly on the angles; leaves triangular-cordate, cre- 

 nate or serrate, clasping; flowers 1-several, sessile in each axil, blue. 



S. biflora. Stem erect, prickly on the angles; leaves ovate, oblong or lanceo- 

 late, entire or crenate-serrate, sessile; flowers 1-2 in an axil, sessile, blue; 

 style colored. Crow's Bluff. 



171. Lobeliaceae, Lobelia Family. 



Herbs with milky poisonous sap; leaves simple, alter- 

 nate, exstipulate; flowers irregular, 5-parted, corolla often 

 bilabiate, the tube split on one side to the base; ovary 

 inferior, 2-5 celled, with 1 style and fringed stigmas; fruit 

 a 1-many celled capsule or a berry; seeds numerous. 



Flowers in spikes, racemes or panicles subtended by bracts; stamens mo- 

 nadelphous, anthers in a ring around the style, all, or 2 of them, 

 bearded at the apex; ovary 2-celled; stigmas 2-lobed, - - Lobelia 



1. Corolla red; — stem stout, usually simple; leaves oblong or elliptic to 

 lanceolate, serrate or dentate; flowers in a slender raceme. Mud- 

 dy banks. Summer and Fall. - - L. cardinalis, Cardinal- flower 



1. Corolla blue or white, -----_-___2 



2. Sepals with deflexed auricles at the base; — more or less hairy; stem 



simple, slender; leaves lanceolate or oblong, nearly entire; the 

 lower short-petioled, the upper sessile; flowers bright blue, in 

 slender often one-sided racemes. Low ground. Late Summer. 



L. puberula 



2. Sepals without auricles, ___--___-_3 



3. Corolla large, about 2 cm. long; — plant glabrous; stem erect or de- 



cumbent, simple; leaves few, linear, thick, sessile; flowers pale 

 blue, in one-sided 3-9 flowered racemes. Wet pine-land. Spring 

 to Fall. _________ L. glandulosa 



3. Corolla small, less than 1 cm. long, ____-__4 



4. Stem scape-like; — plant smooth; stem simple or branched above; 



leaves mostly basal, linear to lanceolate-spatulate; sessile or 

 petioled; flowers pale blue or white, in slender racemes. In and 

 about pine-barren swamps. Spring to Fall. L. paludosa 



4. Stem leafy; — plant glabrous; stem slender, erect or branched at the 

 base; leaves few, entire or crenate, below reniform or orbicu- 

 lar, above obovate or ovate; flowers bright blue in few-flow- 

 ered racemes. Flat pine-land. Summer and Fall. - - L. Feayana 



172. Ambrosiaceae, Ragweed Family. 



Herbs, rarely shrubs, with alternate leaves, or on the 

 lower part of the stem opposite; flowers very small in in- 

 conspicuous heads; involucres of few bracts; staminate 

 flowers tubular, 5-toothed; stamens 5, distinct, with an- 

 thers converging; corolla of pistillate flowers a short tube, 



