SCROl'IIULARIACK.li. (l-IGWORT FA3ULT.) 297 



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

 simple ; leaves entire or slightly toothed, l-nerved, or obscurely 3-nerved ; 

 tlie lowest obovate or obovate-oblong, obtuse, the lower stem-leaves narrowly 

 lanceolate; the uppermost distant, acute; spikes interrupted, long-peduncled ; 

 flowers opposite or alternate. — Low pine barrens, Florida, Georgia, and west- 

 ward. July and Aug. — Stem l°-2° high. Corolla 4" --5'' long. 



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

 ing above; leaves prominently 3-nerved, mostly toothed ; the lower ones oblong, 

 obtuse, the others lanceolate, acute; calyx-teeth acuminate. — Low pine barrens, 

 Florida to Mississippi, and northward. July and Aug. — Stem 2°-8°high. 

 Corolla 6"- 7 "long. 



16. SEYMERIA, Pursh. 



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

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

 Style simple, obtuse. Capsule ovate, flattened above, loculicidally 2-vaIved. 

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

 erect, branching. Leaves opposite, pinnately divided. Flowers yellow, in ter- 

 minal leafy bracted racemes. 



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

 erect-spreading branches ; leaves pinnate, the entire or lobed divisions filiform; 

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

 Florida to North Carolina, and westward. Aug. and Sept. — Stem 2° -4° 

 high. 



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

 leaves pinnatifid, the entire obtuse divisions oblong-linear; capsule hairy, obtuse 

 at the base, as long as the pedicel. — Dry sandy soil, Florida to South Carolina, 

 and westward July - Sept. — Stem 6'- 18' high. 



17. MACRANTHEEA, Torr. 



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

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

 proximate. 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 ; earliest 

 leaves ovate-oblong, entire ; those of the stem lyrate-pinnatifid, with the lobes 

 denticulate ; the uppermost toothed-serrate ; pedicels slender, recurved, the 

 upper ones longer than the floral leaves; flowers erect: calyx-lobes lanceolate, 

 denticulate, rather shorter than the corolla. — Var. Lecoxtei has the shorter 

 and narrower lobes of the calyx entire. (M. Lecontei, Torr ) — Marshy banks 

 of pine-barren streams, Georgia, Florida, and westward. Sept. and Oct. — Stem 

 3°-5°high. Earliest leaves 6' -8' long; those of the stem 2' -■*' long. Co- 

 rolla 9"- 12" long. — The plant turns black in drying. 



