DiDYiiocAiircs. ] &ESNER I AC EJB. 167 



6 000 ft.. al-<> in Assam and on 1 1 it- } i i 1 1 » of Peninsulas India ; extending to 

 Ceylon, Malaya s. China Mid Trop. Africa, it La a very small terrestrial 

 species with violet-roloured flowers, and is found usually on wet rockp. 

 It may at onoe be distinguished by its orbicular or reniform persistent 

 leaves. it> wry unequal oalyx-eegmentfl and the gloohidiate seeds. 



LXXXII.-GE3NERIACEJE. 



Herbs or undeishrubs, often epiphytic. Leaves opposite alternate 

 or solitary, undivided, entire or toothed ; stipules none. Flowers 

 hermaphrodite, nearly always irregular, peduncles axillary, bracteate ; 

 braeteoles usually small. Calyx-lobes 5, valvate or open in bud. 

 rarely imbricate. Corolla-tube long or short; lobes usually 5 and 

 imbricate in bud. Stamens attached to the corolla-tube, usually 

 didynamous, sometiir.es 5, all or only 2 fertile, anthers 2-or 1-celled, 

 Disk annular or shoitly cylindric or none, sometimes unilateral. 

 Ovary Lor imperfectly 2-celled, style linear, stigma capitate or 

 2 lobed ; ovules many, anatropous, on bifid parietal sometimes 

 t*ubconfluent placentas. Fruit a 2-valved capsule cr a berry. Seeds 

 many, minute, fusiform or ovoid, smooth, sometimes tipped with a 

 long hair, albumen scanty or none, embryo straight. — Species about 

 700, mostly in S. E. Asia, P( lynesia and in Trop. America. The 

 Indian representatives of this family all belong to the suborder 

 Cyrtandrece, recognized by having the ovary free and superior. The 

 Fugesnerea, which are confined to the 2s ew World, are characterized 

 by a more or less inferior ovary. 



Capsule linear, exceeding the calyx . . 1. Didymocarpus. 

 Capsule ellipsoid, included in the calyx . . 2. Bhynchdglossum. 



1. DIDYMOCARPUS, Wall. ; PI. Brit. Ind. iv, 345. 



8temless or erect herbs. Leaves opposite, alternate or crowded, 

 rarely solitary. Peduneles axillary, bearing few or many flowers ; 

 pedicels cymose, suhumbellate or subracf mose n pairs ; bracts usually 

 inconspicuous. Calyx small, 5-fid- or partite, lobes narrow. Corolla 

 with a cylindric or ovoid tube, limb oblique or subsymmetric ; lobes 

 5, rounded. Stamens included, the 2 anterior perfect with 2-3 sta- 

 rrinodes, rarely 4 perfect; anthers cohering in pairs ; cells 2, ovate, 

 oon confluent. Disk cylindric or no^. Ovary narrow, 1-celled, 

 sessile or stipitate ; stigma peltate, emargmate or unilateral ; placentas 



