^ginbtia.] OROBAXCIIACEJE. 161 



LXXX.-OROBANCHACE^. 



Leafless brown, white or reddish root-parasites containing Little 



or no chlorophyll. Stem usually simple, stout or slender, scaly. 

 Flowers 2-sexual, irregular, solitary or in spikes or racemes. Calyx 

 spathaceous or 2-lipped, with 4 or 5 free or connate segments. 

 Corolla hypogynous, curved, usually distinctly 2-lipped, or some- 

 times with 6 subequal lobes ; upper lip often arched, lower 3 fid., 

 throat often with 2 villous folds. Stamens didynamous, inserted 

 oa the eorrolla-tube ; anthers 1- or 2-eelled ; cells frequently spurred 

 at the base, opining by slits or apical pores, one cell often imperfect. 

 Disk usually obscure. Ovary of 2 (rarely 3) carpels, 1 or (rarely) 

 2-celled ; ovules usually many, anatropous, on 2 (rarely 3) pairs of 

 free or continent parietal placentas which sometimes ultimately 

 reach t lie centre of tho ovary. Fruit & capsule, usually 1-celled ; 

 valves 2, rarely 3. Seeds usually many, testa pitted or reticulated, 

 albumen fleshy, embryo often undivided.— Species about 150, in 

 temperate and tropical regions. 



Corolla-lobes broad, subequal : - 



Calyx spathaceous, anther-cella unequal . . 1. ^ginetia. 



Calyx tubular-campanulate, 5-lobed ; anther-cells equal 2. Cistanchf. 

 Corolla 2-lipped, upper lip Globed, lower 3-lobed . 3. Orobanche, 



1. JEGINETIA, Linn.-, Fl. Brit. Ind. iv, : 20. 



Leafless herbs with branched or simple naked or scaly scapes or 

 stems. Flowers few, large solitary or corymbose, bracteoles none. 

 Calyx spathaceous, split in front nearly to the base. Corolla 

 broadly tubular, incurved, obscurely 2-lipped ; lobes 5, broad, 

 spreading, the 2 uprer connate. Stamens didynamous, included j 

 anthers meetiDg in pairs, each with 1 perfect cell adnate to tho 

 filament and not spurred at the base, the other oell absent from the 

 upper pair, the absent cell in the lower pair represented by an empty 

 clavate and de flexed spur. Ovary 1-celled ; placentas large, 2- or 

 more-lobed, filling the cavity ; ovules very many, covering the 

 whole placental surface ; style slender ; stigma large, peltate. 

 Fruit a 2-valved capsule. Seeds many, minute, pitted. — Species 3 

 in Tropical and Sub-tropical Asia. 



Scape slender, naked, corolla purple, plaoeutas multi- 

 fied I. A indica. 



Soape, ehott, stout, bracteate ; corolla-tube yellow, 



mouth blue, placentas 2 lamellato . • . 2. M. peduncu- 



late. 



Q 



