Orobanche.] xciii. orobanciiace/e (stapf). 465 



* TKIOXYCHOM". — Bracts and bracteoles present. Calyx 



usually gamosepalous, 4-toothed or 4-tid, rarely 

 with a small fifth tooth at the back. Corolla 

 bilabiate. 

 Flowers 5 -J— 7^ lin. long; corolla-throat slightly 



widened 1.0. ramosa. 



Flowers 9-10 lin. long; corolla-throat con- 

 spicuously widened . . . . . 2. O. Miiteli. 



* OsPEOLEOlf. — Bracts present; bracteoles 0. Calyx 



split in front and on the back ; lateral divisions 

 entire or 2-toothed or 2-fid. Corolla bilabiate. 



Corolla conspicuously inflated below the stamens, 

 which are inserted near the middle of the 

 tube, distinctly curved or bent above the 

 constriction, blneish in the upper part . 3. O. cermia. 



Corolla scarcely widened below the stamens, which 

 are inserted low down in the tube, gradually 

 and gently curved, from the base, yellowish 

 with purple veins . . . . . 4. O. minor. 



1. O. ramosa, Linn. >Sp. PL eel. i. G33. Stern 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, 2|— 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, 5|— 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 1|— 2 lin. across, dorsal outline gently curved ; 

 upper lip 2-lobed, porrect, lobes very broad, subacute; lower lip with 8 

 subequal, rotundate, entire or repand, ciliate lobes. Filaments about 

 2-2.1- 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. — Sowerb. <fc Smith, Engl. Bot. iii. t. 184 ; Thunb. Fl. Cap. 

 ed. Schult. 454; Keichenb. PL Crit. vii. t. 696, figs. 933-934; Beck, 

 Monogr. Orob. in Bibl. Bot. iv. 87, t. i. fig. 10. 0. ramosa, var. 

 interrupta, Beck, I.e. 89. 0. interrupta, Pers. Syn. ii. 181. Phelipcea 

 ramosa, C. A. Meyer, Verz. Pfl. Cauc. 104 ; Reichb. fil. Ic. Fl. Germ. xx. 

 88, t. 1773; A. Rich. Tent. FL Abyss, ii. 136. 



Wile land. Eritrea : Habab ; Kafka, Hildebrandt, 511 (ex Beck). Abyssinia : 

 Tacazze Valley, Petit, 238 ! near Hiea, Quartin-Dillon ; and without precise locality , 

 J<cMmper, 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 2 H 



