264 OrobanchaceCB. {Christisonia^ 



ovules, style much longer than stam., stigma transversely 

 oval ; capsule ovoid-globose, pointed, slightly bi-lobed. 



Van j3, g-randiflora, Hk.f. C. grandijlora^ Gardn. 1. c. 155. Thw. 

 Enum. 221. C. P. 3805. 



Limb of cor. about 2 in. diam., lobes much larger, especi- 

 ally the upper ones, much crisped on margin. 



Forests in lower montane zone, 3000-5000 ft.; common, parasitic on. 

 roots of Acinithacecr. Van /3, Adam's Peak (Gardner) ; Knuckles. Fl. 

 July-October and March; upper lobes of cor. deep red-purple, lower 

 lobes pale rosy-purple, throat and tube bright yellow within, cal. purplish- 

 red. Van /3, all lobes rosy-purple. 



Endemic. 



This is our most beautiful and common species of these handsome 

 parasitic flowers. The three upper cal.-segm. are not unfrequently com- 

 bined to form an upper calycine lip. 



4. C bicolor, Gardn. in Calc. Journ. Nat. Hist. viii. 160 (1847). 



Thw. Enum. 222. C. P. 3108. 



Fl. B. Ind. iv. 322. Wight, Ic. t. I486(.?) (C aurantiacd). 



Rhizome slender, ascending, not branched, with numerous 

 short fleshy horizontal roots, scales numerous, often over- 

 lapping, oblong, obtuse, pubescent ; fl. 1-5, on stout ped. or 

 nearly sessile, in axils of upper scales, bractlets large, near 

 base of ped., cal. about f in., tubular, scabrous-pubescent, 

 quite cylindrical, segm. 5, very short, triangular, acute; cor.- 

 tube more than twice as long as cal., with long soft white 

 hair outside, funnel-shaped, limb rather over i in. diam., 2 

 upper lobes rather smaller ; fil. didynamous, pubescent, spurs 

 of anth. very sharp ; ov. with placentas meeting in centre so 

 as to appear 2-celled, style longer than stam., curved at top, 

 stigma semi-lunate or reniform. 



Van /3, pallidiflora, Thw. I. c. C. pallida., Gardn. 1. c. 159. C. P. 

 1781. 



Larger ; limb of cor, \\ in. diam., white, often tinged with, 

 pink. 



Van 7, spectabilis, Trim, in Journ. Bot. xxiii. 241. C. P. 3983. 



Still larger, rhizome long, stout ; cor. -tube over 2 in,, 

 yellow, limb 2 in. diam., pure white. 



Forests of lower montane zone, 3000-5000 ft.; rather common. V'ar. 

 /3 also in the low country at Hiniduma. Van y on the Knuckles Moun- 

 tains. Fl. July-October, and Feb., March; cor. uniform deep golden, 

 yellow, limb white in /•{ and 7, cal. orange-scarlet. 



Also in the Nilgiri Mountains. 



The type is a frequent ornament of our submontane forests, and the 

 brilliant flowers are very conspicuous amid the dead leaves. It is parasitic 

 on Acanthacccc and other plants. C. pallida, Gardn., was founded wholly 



