630 
Centauréz-scabiósee, Vauch. mon. p. 61. with a figure. O. 
màjor, Sibth. p. 191. Flowers of a pale russet-colour, with 
darker veins. 
Taller Broom-Rape. 
foot. 
17 O. nuprròra (Wallr. sched. crit. 1. p. 310.) pubescent; 
scales narrow, few ; spike few-flowered, loose ; floral scales ex- 
ceeding the flowers, which are tubular; lobes of corolla quite 
entire; middle segment of the lower lip obovate; stamens 
downy at the base; style glabrous; stigma 2-lobed.? )y.H. 
Native of Germany and Denmark. O. minor, Vahl, fl. dan. t. 
1213. 
Naked-flowered Broom-Rape. PI. $ to 1 foot. 
18 O. A'rsa (Steph. in Willd. spec. 3. p. 350. Rchb. icon. 
t. 679. and t. 680.) scape simple, beset with glandular hairs at 
top; scales remote, adpressed, lanceolate; spike elongated, 
loose ; floral scales ovate, acute, clothed with glandular hairs, a 
little longer than the calyx ; calyx bifid, with entire segments ; 
corolla cylindrical: upper lip obcordate, denticulated, as well as 
the segments of the lower lip; base of filaments and top of style 
beset with glandular hairs; stigma large, 2-lobed. %. H. 
Native of Siberia, towards the Caspian Sea; and of Caucasus, 
on the Talusch mountains, at the altitude of from 500 to 800 
hexapods. The corollas are generally white; but there are also 
varieties with dirty purplish, or brownish corollas. 
White-flowered Broom-Rape. Pl. 1 foot. 
Fl. July, Aug. Britain. Pl. 1 to 13 
§ 2. Superior lip of corolla bifid. 
19 O. sprciósa (D. C. fl. fr. 3. p. 490.) scape beset with glan- 
dular hairs ; spike dense; corolla tubular; upper lip 2-lobed: 
lobes all rounded and crenulated ; middle segment of the lower 
lip larger than the lateral ones; calycine segments undivided ; 
stamens and style glabrous. y. H. Native of France, at 
Telon. 
Showy Broom-Rape. PI. 1 foot. 
20 O. nv'Bna (Smith, engl. bot. t. 1786. fl. 3. p. 148.) 
clothed with glandular, viscid pubescence ; scape simple, densely 
scaly ; calycine segments 2, lanceolate, undivided ; floral scales 
shorter than the flowers; corolla tubular, somewhat tumid ; 
upper lip bifid; lobes all crenated and fringed with short, glan- 
dular hairs on the margin; base of stamens, and top of style 
fringed and glandular. 2/.H. Native of the North of Ire- 
land and Scotland, on basaltic rocks ; plentiful at Cave-hill, near 
Belfast ; also on the Giant’s Causeway; at Staffa, and near 
Kirkaldy. Hook. fl. lond. t. 105. Root creeping along the 
rock. The whole plant is of a rusty-purplish colour. Spike 
not dense. Flowers with a powerful scent of honeysuckle. 
Red-flowered Broom-Rape. PI. 1 foot. 
21 O. acav’tis (Roxb. fl. ind. 3. p. 29.) scapeless ; flowers 
crowded into irregular heads, which are sessile on the roots; 
calyx 1-leaved, opening on the side, or divided into 2 unequal 
portions ; segments of corolla jagged ; anthers simple, each inner 
pair augmented with a large, recurved, oval gland ; stigma pel- 
tate. 4. G. Native of the East Indies, parasitical on the 
roots of the China sugar-cane in the botanic garden at Calcutta. 
Bracteas triangular, embracing the base of 1 or more pedicels. 
Corolla purple outside, yellow inside. 
Stemless Broom-Rape. PI. dwarf. 
22 O. coxpENsA'TrA (Mor. elench. sard. fasc. 2d. ex Linnza, 
5. p. 94.) scapes villous; scales lanceolate, acuminated ; calyx 
bipartite, with semibifid segments ; upper lip of corolla some- 
what 2-lobed ; spike elongated, cylindrical, compact ; style gla- 
brous ; stamens rather pilose at the base. u.H. Native of 
Sardinia, on the roots of Genista Córsica. Said to be nearly 
allied to O. speciósa, D. C. 
OROBANCHE#. 
I. OROBANCHE. 
Condensed-spiked Broom-Rape. PI. 3 to 1 foot. ? 
93 O. sónpipA (C. A. Meyer, in Led. fl. ross. alt. ill. t. 386. fi. 
alt. 2. p. 455.) pubescent ; floral scales oblong-lanceolate, about 
half as long as the flowers ; calycine segments free, bifid: lobes ' 
lanceolate, nearly equal; corolla cylindrical, incurved; lips of 
equal length : lobes of the lower one oblong, acutish, quite en- 
tire, flat; middle lobe the longest; filaments and style rather 
hairy ; stigma 2-lobed. 2t. H. Native of Altaia, in the Soon- 
garian desert, on the Arkaul mountains, not far from lake Noor- 
saisan, in rocky places. Hairs white. Corolla dirty yellow, or 
pale brown, glandular outside; lobes of the upper lip truncate 
or rounded. Style glandular, and sometimes the stamens. 
Dirty-flowered Broom-Rape. Fl. May. Pl. 1 foot. 
24 O. ra ripa (Poir. itin. 2. p. 195. Desf. fl. atl. 2. p. 59. 
t. 144. Tenor. fl. nap. 2. p. 63. Viv. fl. libyc. p. 34.) scape 
simple, hairy, fistular; scales lanceolate: floral scales linear- 
lanceolate, longer than the corollas; calyx 2-leaved: segments 
bifid, lanceolate, subulate, unequal; corolla cylindrical; upper 
lip 2-lobed : lower one 3-lobed : lobes roundish, denticulated ; 
stigma thick, 2-lobed. 2.H. Native of Barbary, everywhere 
in fields and cultivated ground ; and of Tripoli, on hills. Link. 
et Hoffm. fl. port. 2. p. 316. t. 62. Bracteas hairy. Corolla 
dark purple, size of those of O. major. Stamens inclosed. 
Stinking Broom-Rape. PI. | to 2 feet. ? 
25 O. auc'ua (C. A. Meyer, in Led. fl. ross. alt. ill. t. 385. 
fl. alt. 2. p. 457.) smoothish ; floral scales ovate-lanceolate, 3 
times shorter than the flowers; calycine segments free, bifid, 
with linear-lanceolate, nearly equal lobes ; corolla cylindrical, 
incurved ; lips of equal length: lobes of the lower lip bluntish, 
denticulated : middle lobe rather the longest; filaments hairy at 
the base, but rather glandular at top, as well as the style; stigma 
2-lobed. 2. H. Native along with the preceding, on the 
Arkaul mountains. The whole plant is clothed with glandular 
scurf, nearly glabrous, and of a yellowish-brown colour. Co- 
rollas of a deep violet-blue colour, with a few glands outside. 
Lobes of the upper lip nearly orbicular, denticulated. Nearly 
allied to O. sórdida and O. arendaria, Bieb. 
Pleasant Broom-Rape. PI. 3 foot. 
26 O. na'Puu (Thuil. par. ed. 2d. p. 317. Duby, bot. gall. 
1. p. 348.) scape thickened into an imbricately scaly bulb; 
scales ovate-oblong, clothed with clammy hairs ; calycine seg- 
ments free, bifid, with nearly equal, linear lobes; corolla in- 
flated ; upper lip 2-lobed : lower one 3-lobed ; stigma 2-lobed, 
yellow. 2t. H. Native of France, in sterile and argillaceous 
soil, from the roots of Genísta tinctória, Wallr. diask. p. 32. 
O. major, Lam. ill. t. 551. but not of Lin. O. genistee tincto- 
rie, Vauch. mon. t. 1.—Mor. hist. sect. 12. t. 16. f. 2. Plant 
reddish-yellow. 
Var. B, gracilis; plant much more slender ; scales dilated at 
the base ; flowers few, short. 3. H. Native of France, from 
the roots of Genista sagittdlis. ©. vulgaris, Lam. dict. 4. P. 
621. ? D. C. fl. fr. 3. p. 489. O. genístæ sagittàlis, Vauch. 
mon. Perhaps a species. 
Rape Broom-Rape. Pl. 1 foot. 
27 O. rrumòsa (Laper. abr. suppl p. 87.) scape fistular, 
pilose, pruinosely grey, dilated into a middle sized bulb ; scales 
lanceolate : floral ones narrow, shorter than the corolla; calycine 
segments deeply and narrowly bifid: lips of corolla plicate at 
= bia : superior one bifid : lower one 3-lobed — a: 
ated; stigma deeply divided, pale purple. 2%. H. Native 
the "piam Pda on ibo wie d Faba sativa, O. fabe 
sativee, Vauch. mon. p. 37. t. 5. Flowers white. 
Frosted Broom-Rape. Pl. 4 to 1 foot. E 
28 O. arena'rta (Bieb. fl. cauc. 2. p. 83.) smoothish; 
scales lanceolate; spike few-flowered; floral scales smaller 
than the corolla, and are, as well as the calyxes, smooth ; caly- 
