Didymocarpus.'] GesUevaceCB. 273 



Climbing and rooting on the branches of trees and over rocks in the 

 damp forests of the montane zone, 4000-7000 ft. ; common. I have not 

 seen var. /3 in Ceylon. Fl. Sept., Oct.; pinkish-red, lobes greenish-yellow 

 within. 



Also in the Nilgiri Mountains (var. j8). 



A pretty plant, but not to be compared with many of the fine Malayan 

 species. 



2. DIDVBIOCARPUS, Wall. {Roitlera, Vahl). 

 Perennial herbs, 1. alt., radical, fl. rather large, in branched 

 cymes on naked scapes ; sep. 5 ; cor. campanulate, tube wide, 

 curved, more or less gibbous, oblique at mouth, lobes 5, 

 nearly equal, rounded ; stam. 2, inserted at base of cor.-tube, 

 fil. short, anth. connate, cells confluent ; staminodes 2 (rarely 

 3) small, club-shaped ; ov. i -celled (often apparently 2-celled), 

 with 2 parietal placentas, stigma small, not dilated ; capsule 

 linear, loculicidally dehiscent with 2 straight valves ; seeds 

 very minute, ovoid, reticulate. — Sp. 70 ; 40 in Fl. B. Ind. 



Rhizome erect, short; capsule pubescent. 



Scape hairy; cor. pubescent outside . . I. D. Humboldtianus. 



Scape floccose ; cor. glabrous . . . 2. D. FLOCCOSUS. 



Rhizome creeping ; capsule glabrous . . 3. D. zeylanicus. 



I. D. Humboldtianus, Gardn. in Calc. Journ. Nat. Hist. vi. 477 



(1845). 



Thw. Enum. 207. Clarke, 1. c. 102. C. P. 1784. 

 Fl. B. Ind. iv. 353. Bot. Mag. t. 4757. 



Rootstock erect, short, stout ; 1. numerous, 2-4 in., oval, 

 rounded but abruptly tapering and decurrent on petiole 

 at base, rounded at apex, coarsely dentate-crenate, more or 

 less silky-hairy on both sides, usually much bullate, venation 

 conspicuous; scapes 3-12 in., erect, slender, hairy, fl. 

 numerous, on slender glandular-pubescent ped., cymes lax, 

 irregularly paniculate, bracts linear, hairy ; sep. linear, obtuse, 

 glandular-hairy ; cor. about \ in. diam., puberulous outside, 

 tube gibbous beneath, lobes short, the lowest largest, capsule 

 under i in., tapering to sharp point, glandular-pubescent. 



Var. /3, primulaefolia. D. primulcpfolia., Gardn. 1. c. 478. C. P. 1785. 

 Smaller ; 1. pubescent, not bullate. 



Var. y, recedens, Clarke., I. c. 103. 

 L. much larger ; fl. more numerous. 



On rocks, principally in the moist region extending up to 5000 ft.; 



account of the same Order, which appeared in Jan. 1884. But, though 

 published later, internal evidence shows the latter to have been written 

 before the monograph. 



PART III. T 



