Orobanche. | XCIII. OROBANCHACES. (STAPF). 465 
* TRIONYCHON.—Bracts and bracteoles present. Calyx 
usually gamosepalous, 4-toothed or 4-fid, rarely 
with a small fifth tooth at the back. Corolla 
bilabiate. 
Flowers 54-74 lin. long; corolla-throat slightly 
widened 5 : : i C . 1. O. ramosa. 
Flowers 9-10 lin. long; corolla-throat  con- 
spicuously widened 
bo 
. O. Muteli. 
** OsPpROLEON,—Bracts present; bracteoles 0. Calyx 
split in front and on the back; lateral divisions 
entire or 2-toothed cr 2-fid. Corolla bilabiate. 
Corolla conspicuously inflated below the stamens, 
which are inserted near the middle of the 
tnbe, distinctly curved or bent above the 
constriction, blueish in the upper part . 3d. O. cernua. 
Corolla scarcely widened below the stamens, which 
are inserted low down in the tube, gradually 
and gently curved from the base, yellowisb 
with purple veins c : 5 . . 4. O. minor, 
1. O. ramosa, Linn. Sp. Pl. ed. i. 633, Stem slender, branched 
(usually from the base), rarely simple, yellowish, up to more than 1 ft. 
high, like the whole plant more or less glandular-hairy. Scales ovate to 
ovate-lanceolate, 2}—5 lin. long, sometimes almost glabrous. Inflorescence 
spicate or the lowest flowers pedicelled, many-flowered, at length 
elongated and loose; bracts ovate-oblong to lanceolate, acute, 23-4} lin. 
long; bracteoles linear-subulate, usually exceeding the calyx-tube. 
Calyx 4—5 lin. long, firmly membranous with prominent nerves, divided 
to about the middle into 4 triangular acuminate or caudate-acuminate 
3-nerved teeth. Corolla pale yellow with a blueish limb, 53-7} lin. 
long ; tube constricted about 2—3 lin. above the base, thin and whitish 
below, gradually and moderately widened above the constriction into the 
throat, which is about 14-2 lin. across, dorsal outline gently curved ; 
upper lip 2-lobed, porrect, lobes very broad, subacute ; lower lip with 3 
subequal, rotundate, entire or repand, ciliate lobes. Filaments about 
2-21 lin. long, glabrous or slightly villous at the base; anthers glabrous 
or with a few cilia at the base (Beck). Style glabrous or with a few 
gland-tipped hairs ; stigma funnel-shaped, obscurely 3—4-lobed, whitish 
or blueish,—Nowerb. & Smith, Engl. Bot. iii. t. 184; Thunb. Fl. Cap. 
ed. Schult. 454; Reichenb. Pl. Crit. vii. t. 696, figs. 933-954 ; Beck, 
Monogr. Orob. in Bibl. Bot. iv. 87, t. i. fig. 10. | O. vamosa, var. 
interrupta, Beck, l.c. 89. O. interrupta, Pers. Syn. 11. 181. Phelipea 
ramosa, C. A. Meyer, Verz. Pfl. Cauc. 104; Reichb. fil. Le: Fl. Germ. xx. 
88, t. 1773; A. Rich. Tent. Fl. Abyss. ii. 136. 
Wile Land. Eritrea: Habab; Nafka, Hildebrandt, 511 (ex Beck). Abyssinia : 
Tacazze Valley, Petit, 238! near Hiea, Quartin-Dillon ; and without precise locality , 
Schimper, 226 ! 
Common throughout South and Central Europe, and found also in Egypt; 
introduced into South Africa. A parasite on hemp, tobacco, and tomato plants, and 
numerous other species. 
VOL. IV.—SEC. 2 2H 
