300 56. OROBANCHACEJ3. 



Acuminate entire, fl. solitary axillary on short stalks. E. B. 

 592. St. 3 ft. high. Fl. lurid purple, drooping. Berry violet- 

 black, highly poisonous. Waste places, rare. P. VI. VIII. 



E. S. I. 



3. HYOSCY'AMTJS Linn. Henbane. 



1. H. niger (L.) ; 1. oblong pinnatifid or sinuate sessile and 

 clasping, lower 1. stalked, fl. nearly sessile axillary unilateral. 

 Sy. JE. B. 936. St. 3. 4. St. 12 feet high. Fl. lurid yellow 

 with dark veins, drooping. Fr. erect. Whole herbage downy 

 glandular, viscid, fetid. Fl. sometimes without dark veins. 

 Waste places, preferring a calcareous soil. B. V. VII. E. S. I. 



Lrc'iuM Linn. 



*L L. chinerise (Mill.) ; 1. narrowly lanceolate narrowed at the 

 base, cal. 2-lipped, cor. -tube as long as the limb, berry oblong. 

 Sy. E. B. 933. L. barbarum ed. viii. A straggling shrub 

 with long pendulous spinous branches. Fl. bluish. Filaments 

 woolly at the base. Berry red. Seems quite naturalized on 

 north'Norfolk coast and elsewhere. Sh. VI. VIII. E. 



4. DATU'RA Linn. Thorn-apple. 



[1. D. Stramonium (L.) ; 1. ovate unequally sinuate-dentate 

 glabrous, caps, erect spinose. E. B. 1288. St. 1 2 ft. high. 

 Si. white (purplish in D. Tatula), large, erect. Fr. densely 

 spinose. Caps with 4 dissepiments below, only 2 at the top. 

 Waste ground, rare. A. VI. VII.] E. 



Order LVI. OROBANCHACE^E. 



Cal. variously divided, persistent. Cor. irregular, usually 

 2-lipped, persistent, imbricate in the bud. Stam. on the cor., 4, 

 didynamous. Anth. 2-celled ; cells distinct, parallel. Ovary in 

 a fleshy disk, 1-celled, with 2 or more parietal placentas. Stigma 

 2-lobed. Fr. capsular, 2-valved, with many minute seeds. 

 Leafless root-parasites. 



1. OROBANCHE. Cal. 4-cleft or of 2 usually bifid sepals. 

 Cor. ringent, 4 5-cleft, deciduous, its base persistent. 

 Bracts 13. 



2. LATHRJEA. Cor. 2-lipped ; the tipper lip concave, decidu- 

 ous, entire ; its base persistent. Otherwise like Orobanche. 



