226 
57. orobanchejE. 
tt Flowers yellow, hairs on the filaments purple. 
5. V. nigrum [h.]-, 1. doubly crenate nearly glabrous above 
subpubescent beneath, lower 1. cordate or ovate-oblong with long 
stalks, upper 1. cordate-ovate nearly sessile, st. angular, raceme 
elongated. ])edicels twice as long as the calyx, stain, equal with 
pm-ple hairs. — E. B. 5!). — FI. in clusters on a nearly simple long 
spike, small, bright yellow. — /3. tomentosum (Bab.) ; 1. subpubes- 
cent above woolly beneath, fl. smaller. — y. nigro-lychnitis ; lower 
1. ovate-oblong or lanceolate attenuated into a stalk subpubescent 
above downy beneath. — Banks and way-sides. Alderney. 
y. Susse.x. P. VII. VIII. Dark Mullein. E. S. 
*** Leaves all decurrent, flowers solitary or in pairs. 
6. V. Blattaria (L.) ; 1. crenate glabrous, lower 1. ovate-oblong 
obtuse sinuate at the base attenuated, upper 1. oblong or sub- 
cordate semiamplexicaule, pedicels solitary nearly twice as long 
as the bract, stain, and anth. unequal. — E. B. 393. — Panicle 
glandular pilose. Fl. yellow. Filaments with jiurple hau-s, the 
2 longer hairy only on the inside. — On gravelly banks, rare. B. 
VIII. Moth Mullein. E. 
7. V. virgatum (With.) ; 1. doubly serrate slightly glandular- 
hairy, lower 1. oblong-lanceolate sublyrate lobate-crenate-serrate 
the base attenuated, upper 1. oblong acuminate semiamplexicaule, 
pedicels 1 — 5 together shorter than the bracts, stam. nearly equal. 
— E. B. 550. — Panicle glandular-pilose. Fl. yellow. Filaments 
with j)urj)le hairs, 2 rather longer and hairy only within. — On 
gravelly banks, rare. B. VIII. E. I. 
Order LVII. OROBANCHE/E. 
Cal. variously divided, persistent. Cor. irregular, usually 2- 
lipped, imbricate. Stam. on the cor. 4, didynamous. Ovary in 
a fleshy disk, 1 -celled, with 2 or more parietal placentas. Stigma 
2-lobed. Fr. capsular, 2-valved, many-seeded. 
1 . Orobanche. 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. i. 49, 50. 
2. Lathr^a. Cor. 2-lipped, the upper lip galeate, deciduous, 
entire. Otherwise like Orobanche. — G. F. G. Gam. i. 51. 
1. Orobanche Linn. Broom-rape. 
* Sepals 2, entire or bifid, separate or connected below in front. 
Bract 1. 
1. 0. rapum (Thuill.) ; sep. 2-nerved equally bifid nearly as 
long as the tube of the corolla, cor. bellshaped ventricose at the 
