316 SCKOl'HULARIACE.E. (FIGWORT FAMILY.) 



the valves entire. Seeds numerous, reticulate. Rough herbs, turning black 

 in withering. Leaves opposite, toothed or entire ; the uppermost small, and 

 passing into the bracts of the many-flowered spike. Flowers blue. 



1. B. elongata, Swartz. Rough, with short rigid hairs; stem mostly 

 simple; leaves entire or slightly toothed, 1 -nerved, or obscurely 3-uerved ; the 

 lowest obovate or obovate oblong, obtuse ; the uppermost distant, acute ; spikes 

 interrupted, long-peduncled ; flowers opposite or alternate. Low pine bar- 

 rens, Florida, Georgia, and westward. July- August. Stem l-2high. 

 Corolla 4" -5" long. 



2. B. Americana, L. Very rough, with bristly hairs ; stem often 

 branching above ; leaves prominently 3-nerved, mostly toothed ; the lower 

 oblong, obtuse, the others lanceolate, acute; calyx teeth acuminate. Low 

 woods in the upper districts. July -August. Stem 2 -3 high. Corolla 

 6" -7" long. 



18. SEYMEKIA, Pursh. 



Calyx 5-parted. Corolla bell-shaped, 5-lobed, the lobes oblong. Stamens 4, 

 equal, the filaments woolly ; anthers oblong, opening at the apex, awnless. 

 Style .simple, obtuse. Capsule ovate, flattened above, locnlicidally 2-valved. 

 Seeds numerous, covered by the loose hyaline testa. Chiefly annuals. Stems 

 erect, branching. Leaves opposite, piunately divided. Flowers yellow, in 

 terminal leafy-bracted racemes. 



1. S. tenuifolia, Pursh. Smooth or nearly so; stem with elongated 

 erect-spreading branches; leaves pinnate, the divisions filiform; capsule 

 smooth, acute at the base, shorter than the pedicel. Low pine barrens. 

 August - Sept. Stem 2 - 4 high. 



2. S. pectinata, Pursh. Viscid-pubescent; stem with ascending 

 branches; leaves pinuatifid, the divisions oblong-linear; capsule hairy, obtuse 

 at the base, as long as the pedicel. Dry sandy soil, Florida to South Caro- 

 lina, and westward. July - Sept. Stem 6'- 18' high. 



3. S. macrophylla, Nutt. Tall and stout (4 -5 high), more or less 

 pubescent, branching; leaves large (6' -8' long), deeply pinnatifid, the ovate 

 or lanceolate lobes toothed or piunatifid, the floral ones entire ; racemes short, 

 dense ; tube of the corolla longer than the lobes of the calyx, woolly within. 

 Mountains of Georgia, Tennessee, and northward. 



19. MACRANTHERA, Torr. 



Calyx 5-cleft, the lobes elongated. Corolla cylindrical, 5-toothed ; the teeth 

 reflexed. Stamens 4, equal, long-exserted, woolly : anthers large, oblong, 

 approximate. Style simple, filiform, elongated : stigma minute, flat. Capsule 

 ovate, loculicidally 2-valved, many-seeded. A tall biennial, with pinnatifid 

 opposite leaves, and showy orange-colored flowers, in terminal leafy racemes. 



1. M. fuchsioides, Torr. Smoothish; stem branching, 4-sided; ear- 

 liest leaves ovate-oblong, entire; those of the stem lyrate-pinnatifid ; the up- 

 permost toothed-serrate ; pedicels recurved, the flowers erect ; calyx lobes 

 lanceolate, denticulate, rather shorter than the corolla. Var. LECOXTEI has 

 the shorter and narrower lobes of the calyx entire, (M. Lecoutei, Torr. } 



