Flora of the Malayan Peninsida. 561 



Flowers minute ; corolla rarely over -loin, in diameter ; 

 pedicels filiform : - 



Leaves lanceolate, margins only slightly recurved . . 19. //. parviflora. 



Leaves ovate or ovate-lanceolate, margins very strongly 



recurved . . . . . . .. 20. II. revoluta. 



Flowers moderate-sized ; corolla -4 in. broad ; pedicels 

 thick, broadly flattened when dry ; leaf-margins slightly 

 recurved . . . . . . . . . . 21. H. plicata. 



Corolla rotate-campanulate ; lobes very short, broader than long ; 

 corona-processes with lower lobes spreading, upper erect 

 (Sect. V. Cystidianthus) : — 

 Flowers rather large ; corolla over 1 in. broad ; leaves rather 

 lai'ge, with conspicuous nerves ; shrubby, apparently not root- 

 ing along the stems . . . . . . . . 22. H. campanulata. 



Flowers small ; corolla "3 in. broad ; leaves small, with nerves 



not or scarcely visible ; slender, rooting all along the stems . 23. H. Wrayi. 



1. HoYA MULTiFLOEA, Blume Cat. Hort. Buit. 49 (1823), and Bijdr. 

 1064. An epiphytic undershrub, rooting from the branches on the bark 

 of trees ; branches stout, smooth, pale, glabrous. Leaves coriaceous, 

 membranous when dry ; oblong or oblong-lanceolate, acuminate at apex, 

 acute at base ; both surfaces glabrous, more or less shining ; margins 

 reflexed ; 3 to 8 in. long, 1 to 2 in. broad ; midrib stout, raised beneath 

 when dry ; main nerves 7 to 10 pairs, the lowest pair faint, close to the 

 margin, the rest curving upwards to and along the margin where they join 

 in loops ; secondary nerves few or none ; reticulations transverse, irregular, 

 netted, more obvious on the upper surface; petiole stout, -5 to '75 in. long. 

 Umbels racemose, many-flowered (40 to 50), on a stout tubercular 

 bracteate nearly globose rachis at the end of an interpetiolar peduncle ; 

 peduncle stout, 1 to 2 in. long; pedicels slender, 1-5 to 2 in. long; flowers 

 white tipped with yellow or yellow tipped with brown, with waxy- white 

 corona. Calyx membranous, cleft about two-thirds down ; lobes oblong, 

 ■075 in. long ; scales rounded, flattened. Corolla rotate, completely 

 reflexed when open ; tube minutely bearded at base, '2 in. long ; lobes 

 triangular, '25 in. long, with small folds in the sinuses. Corona of 5 horny 

 glabrous processes, with erect upper lobes, conical, longer than the 

 anthers and a horizontal or upcurved horn-like lower lobe at the base, 

 each about -15 to -2 in. long. Staminal-coliimn -3 in. long, stipitate ; 

 anthers erect or slightly inflexed ; appendages very small, inflexed ; 

 pollen-masses oblong, -05 in. long, with a narrow thin outer margin, 

 attached by short cup-like caudicles to the narrow usually clavate 

 pollen-carriers. Style-apex conical-apiculate at tip. Follicle 1, slender, 

 pendulous, 7 to 8 in. long, -3 in. broad ; pericarp thin, smooth. Seeds 

 small, oblong, -25 in. long, narrowly winged above on both sides, broadly 

 truncate, with a 2 in. long white silky coma ; testa very thin, brown ; 



