100 PENTANDRIA.— MONOGYNIA. 



POLYGYNIA. 



til. XANTIIORHIZA. Cat. 0. Pet. 5, Met. b, 



obovate, pedicellate. Caps. 5 — 8 ; 1 -seeded 

 half2-valved. 



MONOGYNIA, 



134. PULMONARIA. Lung-wort. Boraginea. 



P. virginica : smooth ; stem erect ; calyx much 

 shorter than the tube of the corolla ; radical leaver 

 obovate-oblong, obtuse ; stem leaves narrower. 



HAB. Banks of rivers. May. If. Leav. smooth, 

 subglauc. ;fl. in term, racem., large , bine. 



135. LITHOSPERMUM. Gromwell. Boraginea. 



1. L. arvense : stem erect, branched; leaves linear- 



lanceolate, rather acute, veinless, hairy; calyx 

 nearly as long as the corolla, with spreading seg- 

 ments ; seeds rugose. 

 HAB. Fields. Apr. — May. G- Hispid ly pilose, C— 

 12 in. high;fl. solitary, axilL, small, white. 



2. L. officinale . stem erect, much branched ; leaves 



lanceolate, acute, nerved, scabrous above, hair) 

 beneath ; calyx as long as the tube of the corolla ; 

 seeds smooth. 

 HAB. Massachusetts. May. U. Stem. 2 ft. high 

 scabr. ;Jl. axill., solit. y pedicell., pale yellow. 



5, L. maritimum: very smooth; stem procumbent, 

 branched ; leaves oval, spathulate, fleshy ; corolla 

 scarcely twice the length of the calyx. 

 HAB. Sea shores. July. U. Stem diffuse ; jiedunc 

 lat . \-jl. ; cor. subcampan., blue. 



\. L. canescens : stem erect, simple, villous ; leave* 

 oblong, obtuse, silky above, subvillose beneath ; 

 tube of the corolla as long again as the calyx. 

 HAB. Fairfield, New-York. June. U . Root large, 

 red;jl. subterm., bright orange. 



>. L. denticulatum : stem erect; leaves nervose, sub- 

 glabrous, acute ; margin scabrous, with minute 

 teeth ; radical ones ovate ; those on the stem ob- 

 long ; segments of the calyx denticulate on the mar 



