154 PEXTAXDIUA MOXOGYXIA 



radical ones spatulate-obovate; raceme virgate, naked; calyx-segments 

 subulate, nearly as long as the tube of the corolla. Beck f Bat. p % %\^ 

 L. pallida. BigeL Host. p. 80. Also, Muhl, CataLp. 22. Hart, 2>hil 

 2. p. 62. Ell? Sh. 1. p. 265. J 



Clayton's Lobelia, 



Root perennial. Stem 1 to 2 or 3 feet high, rather slender, somewhat angular ami 

 grooved, simple, sometimes two or three branches or stems from the root, often 

 nearly smooth. Radical leaves 1 to 2 or 3 Inches I >ng, and about an inch wide, ob- 

 ovate-oblong, or spatulate, nearly entire '-stem leaves 1 to '2 inches long, and about 

 half an inch wide, lance-obloni'. upper ones smaller, acute, and denticulate. ]{ a . 

 vemc 6 to 10 or U inches long, slender. PeJi i Is about one fourth of an inch lon^, 

 With each a lance-linear denticulate bract at base, longer than the pedicel. Calyx 

 •moothish at base. Corolla pale blue, smallish. 



Ilab. Fields, meadows, and woodlands : frequent. Fl. June— Aug. Fr. Aug.— Oct. 



2. L. ruBKRULA, Mx, Pubescent ; stem erect, simple ; leaves sessile, 

 elliptic, or ovate-oblong, mostly obtuse, obscurely crenate-denticulate ; 

 raceme spiked, rather (fecund, leafy at base; calyx hirsute at base, with 

 lanceolate ciliate segments as long as the tube of the corolla. Beck, 

 Bot.p. 215. 



PrUKKULEXT, OTt Do \VN Y-PU KKSCKNT LoBF.LIA. 



Root perennial. Stem about 2 feet high] nearly terete. Leaves 1 to 2 inches long 

 and half an inch to an loch wide, varying from ebovatc to oblong-oval, and lance- 

 ovate, the upper ones smaller and acute nearly entire, or slightly repand and cre- 

 nate, clothed with a short and somewhat silky pubescence. Raceme 4 to 6 or 8 in- 

 uhes long ; flowers nearly sessile, with each a small ovate-lanceolate serrate-tooth- 

 ed leaf at base. Calyx covered with bristly hairs al base. Corolla bright blue? 

 sometimes tinged with purple, rather large. 



Hub. Moist low grounds: Londongrovc: rare. Fl. July. Fr. 



Obs. This species, which is very rare with us. was detected in 1827, in the above 

 locality, by William Jackson, Esq. I have also received it from Mr, Jambs 

 Trimble, — who found it growing along creek bottoms, near the Brick Meeting 

 House, in Nottingham, Maryland, adjoining Chester County. 



3, L. syphilitica,//. Stem erect, simple, somewhat hirsute ; leaves 

 sessile, oblong-lanceolate, acute or acuminate, unequally sinuate-serru- 

 late, somewhat pilose ; raceme leafy ; calyx hispidly ciliate, with the 

 sinuses rellexcd. Beck, Bot. p. 215. 



Syphilitic Lobelia. 



Root perennial. Stein 1 to 3 or 4 feet high* angular, pilose on the angles. Leaves 

 2 to 4 inches long, and an inch to an inch and half wide, somewhat crosely serrate- 

 dentate, sprinkled with appressed hairs. Raceme (i to 10 or 12 inches long, stout; 

 pedicels one fourth to half an inch long* with each an ovate-lanceolate ciliate-ser- 

 rulate leaf at base, gradually smaller towards the summit. Calyx-segments short- 

 er than the tube of the corolla, lanceolate, acuminate, bristly-ciliate, with the mar- 

 gins of the sinuses folded back. Corolla mostly bright blue, sometimes tinged with 

 purple, and rarely milk white, large. Capsule half superior, ovoid, acute. Seeds 

 •void-oblong, scabrous, tawny, or ferruginous. 



Hub. Swampy grounds, and margins of rivulets: frequent. Fl. Aug. -Sept. />. Oct 



Obs. A showy plant,— next in beauty, among our native species, to the L. car^ 

 dinalis. It was formerly an Indian nostrum; and had such repute, that the Secret 



