240 PENTANDRIA. MONOGYNIA. ^omtm, 



capsule. Corolla half an inch long, delicate blue ; segments 

 very acute. Cafisule obovate, 2-celled, surrounded by the 

 calyx. 

 Hab. On rocks along the banks of rivers in the northern and 

 western parts of the State of New-York, 8cc. July— August.. 



3. L. Nuttallii R. ^ S. : stem erect, minutely scabrous, 

 simple, or with filiform branches ; leaves oblong-linear, den- 

 ticulate ; flowers in slender racemes, distant; peduncles co- 

 loured, shorter than the flower, with minute bracts near the 

 base; capsule obtuse below. R o em. ^ S chult. V. pj 

 39. L. gracilis M'utt. Gen. \l. p. 77. L. Kalrnii Bart, 

 FL Jmer. Sept. t, 34. f. 1. Elliott Sk, I. p. 264, 



JRooe biennial, (apparently perennial, vVm 1 1.) Stem erect, slen- 

 der, often flfxuous, 2 feet high. Peduncles one-fourth of att 

 inch long, with 2 opposite very minute bracts near the base. 

 Segments of the calyx longer than the capsule. Corolla pale 

 blue, smaller than in the preceding species. 



Hab. On the dry margin of sandy swamps in the pine barrens 

 of Nevv-Jersey. August. 



Tiere is a variety of this species, which i% smooth and 

 somewhat glaucous, growing abundantly in swamps in the pine 

 barrens of New-Jersey. It was pointed out to me by Mr. 

 JVuttall. 



4. L. Claytoniana Mich, : stem erect, simple, pubes- 

 cent ; leaves oblong, pubescent, obtuse, nearly entire; radi- 

 cal ones spathulate ; raceme virgate, naked ; segments of the 

 calyx subulate, nearly as long as the tube of the corolla. 

 Mich. Fl.U.p. U3. Pursh FLIL^. 447. Elliot g 

 Sk. I. p. 2G5. Roem. ^ Schult. V. p. 43. L. palUda 

 Muhl.Cat.^.^2. Big. Bost.f.55. E llio tt SkA.ct 

 L. goodmioides W itld. Hort. Berol. I. p. 30. t. 30. L. spi- 

 caSa Lam. Enc. III. p. 587. Rapuntium folii&oblongis vil- 

 losis, &;c. Gron, Virg.ip. 135. 



Root perennial. Stern erect, a foot and a half, or 2 feet high, al- 

 most always simple. Radical leaves spathulate, or obovate, 2 

 inches or more in length, nearly entire ; stem leaves generally 

 obtuse, obscurely crenate-dentate, often densely pubescent. 

 Raceme 6 — 10 inches long, 10 — 30-flowered. Pedicels one- 

 fourth of an inch long, erect. Calyx pubescent at the base. 

 Corolla pale blue, as large as in L. Kalmiii superior aeg" 

 ments linear-oblong. 



Hab. In dry open woods, fields, &c. ; commoR. 



I am unable to discover any marks of discrimination be- 

 tween L. Claytoniana of Mic b aux, and L, pallida o£ 

 Muh le n b e rg. 



5. L. puherula M i c h. : pubescent ; stem erect, simple ; 

 leaves oblong-nval, obtuse, repand-serrulate; spike secitnc\ 



