296 54, BOKAGINACE^. 



10. LITHOSPER'MTJM Linn. Gromwell. 



1. L. officindle (L.) ; st. erect much branched, 1. lanceolate 

 acute veined hispid with bulbous adpressed bristles above hairy 

 beneath, throat of the cor. with a crown of scales, nutlets smooth. 

 E. B. 134. St. 12-18 in. high. Fl. greenish yellow, nutlets 

 grey, highly polished, stony, 2 or 3 ripening in each calyx. 

 Root whitish. Dry and stony places. P. VI. VIII. Gromwell. 



E. S. I. 



2. L. purpureo-cceruleum (L.) ; barren shoots prostrate creep- 

 ing, fl.-st. erect forked, 1. lanceolate acute hispid, hairs on the 

 upperside adpressed bulbous, cor. much exceeding the calyx, 

 nutlets smooth. E. JB. 117. Fl. large, bright blue. Nutlets 

 silvery white, highly polished. This species and the following 

 have no scales in the throat of the cor., but merely 5 longitudinal 

 downy folds (Rhytitperntum Link). Thickets on a limestone 

 soil, rare. P. V. VII. E. 



3. L. arven'se (L.) ; st. erect branched, 1. lanceolate rather 

 acute hispid with adpressed bulbous hairs on both sides, cor. 

 rather exceeding the calyx, nutlets tubercled. E. JB. 123. St. 

 1 ft. high. Fl. small, white. Nutlets pale brown, polished, 

 pitted, 3 or 4 perfected in each calyx. Root bright red. Corn- 

 lields. A. V. VII. Corn Gromwell. E. S. I. 



11. MYOSO'TIS Linn. Scorpion-grass. 



i. Persistentes. Col. of fruit shorter than its stalk. 

 * Hairs on cal. all straight and adpressed. 



1. M. scorpioides (L.) ; fr.-cal. open, its teeth short tri- 

 angular, cor.-limb flat longer than the tube, its lobes slightly 

 emarginate, style about equalling cal., pubescence of st. (usually) 

 spreading. E. B. 1973. M. palustris (With.) ed. viii. L. 

 bluntish, apiculate. Raceme quite leafless. Cor. large, bright 

 blue with a yellow eye. Cal. divided about J down. a ; rhizome 

 long leafy stoloniferous, st. angular with decurrent prominent 

 lines, pubescence spreading. ft. M. strigulosa (R.) ; rhizome 

 short leafless, st. more slender and erect not angular its pub- 

 escence adpressed, 1. less blunt, style equalling cor.-tube. 

 M. coronaria Dum. Base of st. sometimes patently hairy. 

 Ditches and watery places. P. VI. VHI. /3. .VL Forget- 

 me-not. E. S. I. 



2. M. repens (Don) ; fr.-cal. open, its teeth narrow lanceolate 

 acute, style falling short of cal., cor.-limb flat longer than the 

 tube, its lobes slightly emarginate, pubescence of the st. spreading 



