544 Flora of the Malayan Peninsula. 



almost cordate at base ; both surfaces glabrous, shining ; margins 

 recurved ; 2-5 to 4 in. long, 1 to 1"75 in. broad ; midrib stout, impressed 

 above, raised beneath, with a large gland at its base ; main nerves 

 5 to 7 pairs, at about 70° with the midrib, nearly straight at first, then 

 often branched, joining an irregular looped intramarginal nerve ; secon- 

 daiy nerves many, similar, but not meeting the sinuses of the intra- 

 marginal nerve ; reticulations irregular, usually branched towards the 

 midrib ; petiole slender, -5 to "75 in. long. Cymes axillary, umbellate, 

 about 5- to 6-flowered, shorter than the petioles ; peduncle thick, about 

 •1 in. long ; bracts triangular, small ; pedicels -1 in. long, puberulous ; 

 flower-buds conical ; flowers yellow. Calyx cup-shaped, pubescent 

 without ; lobes orbicular, ciliate, -075 in. long ; scales minute. Corolla 

 thick, campanulate, almost hypocrateriform ; tube cylindric, -15 to "2 in. 

 long, glabrous on both surfaces ; lobes triangular, valvate, stellately 

 spreading, nearly as long as tube. Corona of 5 erect processes adnate 

 to the backs of the anthers, very fleshy, ovate, glabrous, dorsally 

 flattened and concave below, radially flattened and rounded at apex, 

 much longer than the staminal-column. Staminal-column short; fila- 

 ment-tube nearly free from the corona ; anther-cells parallel ; appendages 

 scarious, ovate-acute, incurved over the style-apex ; pollen-masses ellip- 

 soid, granular, attached by very slender long curving caudicles to the 

 small conical pollen-carriers. Style-apex 5-angled, thick, depressed, 

 wdth a conical apex. Fruit not known. 

 Pebak : at Eelan Tujor, Wray 2243. 



22. Marsdenia, Br. 



Climbing, rarely erect, shrubs or undershrubs. Leaves opposite. 

 Flowers small or of moderate size, in umbelliform cymes or in small 

 sessile umbels or clusters scattered along the branches of the cymes or 

 of panicles, which are lateral at the nodes or axillary. Calyx 5-partite, 

 with 5 to many glandular scales at the base within, sometimes eglandu- 

 lar. Corolla campanulate or urceolate ; lobes 5, overlapping to the 

 right. Co?'07Z.a-processes 5, membranous or fleshy, arising from the 

 staminal-column, the basal part adnate to it, the apical part free ; often 

 of two lobes one above the other. Staminal-column arising from or 

 near to the base of the corolla; anthers erect, with membranous appen- 

 dages more or less incumbent over the style-apex ; pollen-masses erect, 

 solitary in each anther-cell, oblong, waxy, attached in pairs by 

 moderately stout caudicles to the ovate horny pollen-carriers. Ovary 

 of 2 carpels ; style short ; style-apex large, usually more or less hol- 

 lowed above and then expanding into a convex or conical or depressed 

 tip. Fruit of 2 (more usuallj' 1 only, by abortion) lanceolate or poniard- 



