OROBANCHE. ] OROBANCHACE^. 163 



C. tubulosa, Wight Ic.t. 1420 Ms; F. B. I. iv, 324 ; CooU PI. Bomb. 

 ii t 313. Orobanche calotropidis, Edgew. in Hook, Journ. Bot. ii, 285. 

 Vern. Bhumphor (Bajputma). 



Whole plant yellowish or sometimes tinged with purple. Stem -2 ft. 

 high and as much as 2 in. in diam., not branched, densely covered with 

 acute triangular scales |-1 in. long, glabrous or pubescent. Flowers 

 many, arranged in den 1 e epikes 6-10 in. long and sometimes 3 in. in 

 diam.; bracts lanceolate, acuminate, longer than the calyx, margins 

 membranous : bracteoles narrower, shorter than the calyx. Calyx 

 |- in. long ; lobes rounded, about ^ as lorg as the tube ; margins 

 membranous, veined. Corolla yellow ; tube erect, inflated above, 2 or 

 3 times as long as the calyx, hairy inside at the base ; upper half 

 campanulate, bent outwards from the middle ; lobes rounded, reflexed. 

 Filaments hairy at the base, anthers not or scarcely apiculate. Style 

 exserted, curved below the stigma. Capsule I in. long, beaked. 



Ajmer ( Duthie). Flowers during the cold season. DISTRIB. Plains 

 of Punjab and Sind, extending to C. Asia and Arabia. 



3. OROBANCHE, LinD.; PI. Brit. Ind. iv, 324. 



Scapigeions lierb?, scapes or steros simple or branched, stout or 

 slender, scales acute. Flowers in dense or lax or interrupted spikes 

 or racemes, bracts scale-like, bracteoles 2 or none. Calyx unequally 

 4-fid., or 2-partite from back to front ; segments entire or 2-fid., with 

 rarely a fifth lobe or segment. Corolla 2-lipped ; tube curved, 

 dilated above, circumscissile at tbe base ; upper lip erect, crenulate 

 notched or 2-fid ; lower somewhat spreading, 3-iobed. Stamens 

 included ; anther-cells equal, parallel, usually mucronate at the base. 

 Disk none or glandular. Ovary 1-celled ; placentas 4, equidislant 

 or in pairs ; stigma funnel-shaped or peltate, or more or less 

 2-lobed. Fruit a 2-valved capsule, the valves often cohering with 

 the style. Seeds very many, globose or ovoid Species about 90, in 

 northern or sub-tropical regions of the Old World. 



Flowers without bracteoles, arranged in dense 

 spikes . . . . . . . 1. 0. cernua. 



Flowers with 2 bracteoles, arranged in rather 

 lax spikes ....... O.cegyptiaca. 



1. O. cernua, Loeffi. It. Hisp. 152 ; F. B. I. iv t 325 ; Prain Beng. PI. 778. 



0. indica, Wall- Cat, 9636 (not of Buch .-Ham. ). 



Stems 1 or more, stout or slender, 6-12 in. high, pale-brown or bluish 

 scales ovate, upper acute or acuminate. Spikes dense, about half as 

 long as the stein or longer. Flowers blue; >r acts lanceolate, shorter 



o2 



