olO tJCKUl'llLLAUlACK.E. (KKiWOliT I A.MIl.V,) 



the valves ciitirp. Seed.s miitieroiiH, rcticnlatc. — Uougli licrlis, turning blaik 

 in witlnrini^. Leaves opposite, ItKitlicd or entire; llie uppermost small, and 

 passini,' into the liraets uf tiie nian\ -(lowered spike. Flowers blue. 



1. B. elongata, Swartz. liougii, with siiort rigiil hairs; stem mostlv 

 simple; leaves entire or slifjlitly toothed, l-nerve<l, or oli.xcurelv ."J-nerved ; the 

 lowest otiovate or ohovate-ol)lon'j, ol)tii.se ; the uppermost ilistant, acute ; »]tike.i 

 interrupted, lonf^-peduneled; Howers ojiposite or alternate. — Low j)ine bar- 

 rens, Florida, Geor>;ia, and westward. July- August. — 8tem l°-2Miigli. 

 Corolla 4"- 5" long. 



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

 brani'liing ahove ; haves liruminently .3-nerved, mo.stly toothed; the lower 

 oblong, obtuse, the others lanceolate, acute; ealy.\ teetii acuminate. — Low 

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

 6" -7" long. 



18. SEYMERIA, I'uish. 



Calvx 5-parted. Corolla l)ell-sliaped, 5-lobed, the loI)CS oblong. Stamens 4, 

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

 Style simple, ol)tu.se. Capsule ovate, flattened above, loculicidally 2-valved. 

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

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

 terminal leafy-bracted racemes. 



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

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

 smooth, acute at the base, shorter than the pedicel. — Low ]»ine barrens. 

 August- Sept. — Stem 2° -4° high. 



2. S. pectinata, Pursh. Viscid-])uliescent ; stem with a.scending 

 branches; leaves ])iiinatitid, the divisions oidong-linear ; capsule hairy, obtu.se 

 at the base, as long as tiie 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, brandling; leaves large (6' -8' long), deeply pinnatifid, the ovate 

 or lanceolate lobes toothed or pinnatifid, the floral ones entire ; raceiues short, 

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

 — Mountains of Georgia, leune.ssee, and northward. 



19. MACRANTHERA, Torr. 



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

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

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

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

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



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

 liest leaves ovatenlilong, entire; those of tlic stem lyrate-pinnatifid ; the up- 

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

 lanceolate, denticulate, rather shorter than the corolla. — Var. Liccoxtei has 

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



