Flora of the Malayan Peninsula. 583 



very slightly papillose on the lower surface, and with small pits ; 1 to 

 1-25 in. long, 1-5 to 1-75 in. broad; midrib stout; main nerves 2 to 3 

 pairs, the lowest pair from the base spreading horizontally; the others 

 slightly acutely and early branching. Inflorescence not seen. Calyx 

 veiy thin, hyaline ; lobes glabrous, rounded, '03 in. long, obscurely 

 3-nerved. Corolla urceolate, much depressed; tube when at full length 

 •075 in. long, glabrous within and furnished in the middle with a 5-lobed 

 undulate fold or corolline corona ; the throat closed, with stiff inflexed 

 decumbent shining white hairs ; lobes triangular, -05 in. long, thickened, 

 villous within. Staminal-corona none. Staminal-coUtmn short, pyra- 

 midal ; anther- wings spreading outwards, horny ; appendages very 

 thin, obtuse, connivent ; pollen-masses cylindro-clavate, attached by 

 cornucopia- shaped caudicles as long as themselves to the ellipsoid 

 poUen-caiTiers. Style-apex conical ; tip capitate. Fruit not known. 



MAiiAccA: Maingay (K.D.) 1115. 



3. DiscHiDiA CoLLYEis, Wall. Cat. 4207 (1829). A creeping 

 epiphyte, trailing over and rooting on the stems and branches of trees ; 

 stems slender, terete ; rootlets very numerous and spreading. Leaves 

 fleshy, coriaceous when dry, sessile ; orbicular, convex above with re- 

 flexed margins, mucronate or not at apex, slightly cordate at base in 

 young leaves ; VvTinkled above, papillose and often farinose beneath ; 

 1 to 1'5 in. in diam. ; midrib and nerves distinct on the lower surface ; 

 midrib stout ; main nerves 2 to 3 pairs, nearly at right angles to the 

 midrib, soon branching and spreading ; reticulations very few visible. 

 Umbels on stout tuberculate rachises in pairs at the ends of short stout 

 clavate peduncles ; pedicels very short, slender ; flowers white, tipped 

 with pale lilac. Calyx membranous, hyaline; lobes ovate, ciliate, '025 in. 

 long. Corolla urceolate ; tube globose, about -05 in. long, glabrous on 

 both siu-faces, the mouth much contracted, forming a ridge within ; 

 lobes triangular, thickened, glabrous, erect. Coro7ia-processes 5, very 

 thinly membranous and hyaline, linear, with a spreading emarginate top 

 with incurved broad flattened lobes. Staminal-coliLmn short, conical ; 

 appendages erect, acute ; poUen-masses oblong, obtuse, seated on cornu- 

 copia-shaped flattened caudicles as long as themselves and joined by 

 them to the oblong hard brown pollen -carriers. Style-apex pyramidal; 

 tip somewhat capitate. Follicles (1 or 2 ?) linear-lanceolate, curved ; tip 

 recurved, 2 to 2-5 in. long, -25 in. broad ; base slightly gibbous ; peri- 

 carp thin, pale brown. Seeds cyHndrical, 'IS in. long by '025 in. broad; 

 base winged and slightly bifid ; testa very thin, brown ; albumen rather 

 copious ; cotyledons ovate, fleshy, -05 in. long ; radicle cylindric, thick, 

 •075 in. long. Hook. f. Fl. Br. Ind. lY. 51. D. albiflora, Grift'. Notul. 

 IV. 47, and Ic. PL As. t. 410a, fig. 8; Beccari Malesia II. 263. Colly ris 



