ASPERUGO.— ECHINOSPERMTJM. 227 



Tr. III. LITHOSPERMEM. Nuts 4, affixed to an hypogy- 

 nous disk, their base not excavated but attached by a flat or 

 rather convex surface. 



8. BcHiuM. Cal. in 6 deep segments. Cor. subbelUhaped ; 

 throat dilated, naked; limb irregular. Stam. exserted ; fila- 

 ments very long, unequal. Style bifid. Nuts wrinkled, at- 

 tached by a flat triangular base. 



9. PuLMONAKiA. Cal. tubular, 5-fid. Cor. funnelshaped, its 

 throat naked. Stam. included in the tube ; filaments very 

 short. Styles simple. Nuts smooth, attached by their trun- 

 cate base which has a central tubercle. 



10. Mertbnsia. Cal. in 5 deep segments. Cor. bellshaped, 

 with a short thick cylindrical tube with 5 minute protuber- 

 ances in its throat. Stam. protruded beyond the throat ; 

 filaments elongate. Style simple. Nuts smooth, inflated, 

 rather drupaceous, attached laterally near their base by aflat 

 surface; seeds free. 



11. LiTHOSPERMUM. Cal. in S deep Segments. Cor. funnel- 

 shaped, throat naked or with 5 minute scales. Stam. in- 

 cluded in tube ; filaments very short. Style simple. Nuts 

 smooth or tubercular, stony, attached by a truncate flat base. 



12. Myosotis. Cal. 6-parted. Cor. contorted in estivation, 

 salvershaped ; throat closed with scales ; limb 5-fid, obtuse. 

 Stam. included; filaments very short. Style simple. Nuts 

 smooth, convex externally, keeled within, attached by a mi- 

 nute lateral spot near their base. — Distinguished from all 

 the other genera by the contorted aestivation of its corolla. 



Tribe I. Cynoglossea. 

 1. AsPERUGo Linn. Madwort. 



1. A. procumbens (L.). — E. B. 661. — St. procumbent, angular, 

 rough with short decurved bristles. L. oblong, rough, hispid, 

 lower ones stalked, upper sessile. Fl. small, axillary, solitary, 

 blue, upon short peduncles. Cal. of the fr. much enlarged. — 

 Rich waste ground, rare. A. VI. VII. B. S. 



2. ECHINOSPERMUM Sw. 



[1. E. Lappula (Lehm.); st. branched above, 1. lanceolate 

 adpressed-hairy, cor. exceeding the calyx, fr.-st. erect, nuts with 

 a double series of barbed spines on the margins the disk and 

 sides tubercled. — St. 43. 16. — St. and 1. covered with adpressed 

 hairs giving them a silky appeafance. Closely resembling a Myo- 



