Contributions towards a Flora of Ceylon. 161 



the apex, and with an erect acuminate spur, longer than itself. 

 Ovary free, ovate, 1 -celled, with two projecting parietal placentae, 

 each terminating in two recurved fleshy laminse, which are covered 

 with ovules on both sides. Style filiform, glabrous : stigma 2-lobed, 

 the upper lobe abortive, the lower flattened, somewhat triangular, 

 emarginate. 



Obs. — Readily distinguished from all the other species 

 by the brick-red colour of the calyx, the yellow corolla, 

 pilose filaments, and emarginate lower lobe of the stigma. 



6. Christisonia unicolor, Gardn. 



C. Scapo simplici basi verrucoso-hispido ad apicem dense 

 squamoso, floribus terminalibus subracemosis, pedicellis bi- 

 bracteatis, calyce 5-dentato, dentibus latis obtusissimis 

 aequalibus, corolla (lutea) calyce duplo et ultra longiore, limbo 

 bilabiato, lobis rotundatis integris, staminibus exsertis, 

 antheris coalitis. 



Hab. — Hunnisgiria range, Central Province, Ceylon. 

 Mr. Lear, 1839. 



Descr. — Epirhizal, herbaceous, leafless, and the whole plant of a 

 yellow colour. Scape simple, about 4 inches long, the lower half 

 warted, the upper densely scaley. Scales obtuse, about 6 lines long. 

 Flowers terminal, somewhat racemose. Pedicels about 7 lines long, 

 bibracteate about the middle. Calyx tubular, about 7 lines long, 

 with a very obtuse 5-toothed limb. Corolla infundibuliform : tube 

 dilated at the throat, slightly curved : limb bilabiate, the upper lip 

 erect, 2-lobed, the lower patent, 3-lobed, all the lobes rounded entire. 

 Stamens 4, exserted : anthers cohering. 



Obs. — This species I describe from a drawing in the Gar- 

 den Library. In habit it agrees perfectly with the others, 

 but differs from them all in being of an uniformly yellow 



