262 Oi'obanchaceCB. \Christisonia. 



stout, curved, stigma triangular-cordate with a transverse 

 furrow, velvety ; capsule not seen. 



Dry region ; very rare. Parasitic on Mana grass {Andropogon) near 

 Nilgala, abundant (Mr. W. P. Campbell). FI. Nov.; tube of cor. white, 

 lemon-yellow within, limb bright purple-violet, with a yellow spot on the 

 lower lip. 



Also in Peninsular India, Singapore, Java, and Cochin-China. 



I have seen no specimen of C. P. 3635 (which was collected 'below 

 Haputale'), so am not sure that that plant was the same as the present 

 one. The above description was made entirely from the Nilgala speci- 

 mens. Orobatiche acaulis, Roxb. Cor. PI. t. 292, referred to this in 

 Fl. B. Ind., seems to be different. 



2. CHRXSTISONZA,^ Gardn. 



Leafless perennials with a fleshy rootstock, fl. few, large, 



on short scapes with a few fleshy scales, ped. with or without 



a pair of bractlets ; cal. tubular, 2-lipped or with 5 short segm. ; 



cor.-tube funnel-shaped, wide at mouth, lobes 5, nearly equal 



or obscurely 2-lipped ; stam. 4, usually included, anth. 



connate in pairs, i -celled, opening by a large pore at apex, 



absent cell represented by a spur; ov. i -celled, placentas 2, 



bifid or T-shaped (sometimes meeting but not uniting in 



centre), with very numerous ovules, stigma dilated, flattened, 



crescent or kidney-shaped or oval ; capsule loculicidally 2- 



valved. — Sp. 10 ; 9 in FL B. Ind. 



Cal. 2-lipped ; ped. without bractlets. 



Cor. purple and white . . . i. C. SUBACAULIS. 

 Cor. pale yellow . . . . 2. C. Thwaitesii. 

 Cal. -segm. 5. 



Ped. without bractlets . . . 3. C. tricolor. 

 Ped. with a pair of bractlets. 



Cal. pubescent, red. . . . 4. C. BICOLOR. 

 Cal. glabrous, white . . . 5. C. ALBIDA. 



I. C. subacaulis, Gar •hi. in Calc. Joiirn. Nat. Hist. viii. 162 (1847). 

 ^liginetia acai/Iis, v.ir. /^, Thw. Enum. 221. C. P. 2972. 

 Fl. B. Ind. iv. 321. Wight, Ic. t. 1423 (not good). 



Rhizome short, thick, erect, scapes very short, scarcely i in., 

 scales large, broad, truncate and erose, slightly fleshy, white ; 

 fl. crowded, erect, ped. without bractlets; cal. l^-i^ in., 

 usual!)' 2-lipped, but segm. often 3-5, short, acute, irregular 

 and unequal, acute or erose, white ; cor.-tube nearly 2 in., 

 limb i|-2 in. diam., lobes rounded, nearly equal; spurs of 



* Dedicated to Dr. (afterwards Sir) Robert Christison, Professor of 

 Materia Medica in the University of Edinburgh for 45 years. Died 

 January, 1882. 



