226 56. OROBANCHACEA. 
3. Hyoscyamus Linn. 
1. H. niger (L.); 1. oblong pinnatifid or sinuate sessile and 
subamplexicaule, lower 1. stalked, fl. nearly sessile axillary uni- 
lateral. —E. B. 591. St. 3. 4.—F. lurid yellow, with dark veins, 
drooping. Fy. erect. Whole herbage downy, glandular, viscid, 
foetid.—8. pallidus (Koch); fl. without dark veins. —Waste 
places, preferring acalcareous soil. 8. Esher, Surrey. Mr. H.C. 
Watson. A. or B. V—VII. Henbane. 
4. Datura Linn. 
+1. D. Stramonium (L.); 1. ovate unequally sinuate-dentate 
glabrous, caps. erect spinose.— E. B, 549. white, large, erect. 
Fr. densely spinose. Caps. with 4 dissepiments below of which 
only 2 reach to the summit.—Waste ground, rare. A. VI. VII. 
Thorn-apple. E. 
Order LVI. OROBANCHACEA. 
Cal. variously divided, persistent. Cor. irregular, usually 2- 
lipped, persistent, imbricate in estivation. 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, many-seeded. 
1. OropancueE. Cal. 4-cleft or of 2 usually bifid sepals. Cor. 
ringent, 4—5-cleft, deciduous, its base persistent. Bracts 
1—3.—G. F. G. Gam. 1. 49, 50. 
2, Larurwa. Cor. 2-lipped, the upper lip galeate, deciduous, 
entire. Otherwise like Orobanche.—G. F. G. Gam. i. 51. 
1. OropancueE Linn. Broom-rape. 
* Sepals 2, entire or bifid, separate or connected below in front. 
Bract 1. Valves of caps. adhering at both ends. 
1. O. Rapum (Thuill.); sep. 2-nerved equally bifid nearly as 
long as the tube of the corolla, cor. bellshaped ventricose at the 
base in front arcuate, lips wavy obsoletely denticulated (not 
fringed), upper lip helmetshaped scarcely emarginate, sides 
patent, middle lobe of the lower lip much longer than the lateral 
lobes, stam. inserted at the base of the cor. glabrous below, their 
upper part and the style glandular-pubescent.—E. B. 421. 
R. I. £. 900 and 923. O. major (L.) Sm., but Fries states that 
that syn. belongs to O. elatior.—Stigma distantly bilobed, yellow. 
Anth. white when dry. For a full description from fresh speci- 
mens see Leight. Fl. Shrop. 302.—Parasitical upon Broom, 
Furze and other shrubby leguminous plants. P. V.—VII. 
Greater Broom-rape. 
