1890.] G. "King— Materials for a Flora of the Malayan Peninsula. 133 



Perak ; in dense Bamboo Forests. Distrib. Java, Borneo, Tenas- 

 serim. 



3. SECURIDACA, Linn. 



Shrubs, almost always scandent. Flowers in terminal or axillary, 

 usually compound, racemes. Sepals deciduous, 2 inner (wings) larger 

 and petaloid. Petals 3, lateral nearly or quite distinct from the galeate 

 crested keel, superior petals 0. Stamens 8, filaments united : anthers 

 2-celled, dehiscing by oblique pores, Ovary 1-celled, 1-ovuled. Fruit 

 a 1-celled samara, 1-seeded ; wing broad, coriaceous. Seeds exalbuminous, 

 estrophiolate. Distrib. Species about 25 ; most numerous in tropical 

 America, rarer in tropical Africa and Asia. 



Securidaca bracteata, Benn. in Hook. fil. El. Br. Ind. I, 208. A 

 powerful climber; branches terete, puberulous. Leaves elliptic, shortly 

 and bluntly acuminate, the margins revolute when dry, base rounded 

 or slightly narrowed ; upper surface shining, lower densely covered 

 with minute pale pubescence ; nerves 5-6 pairs. Flowers in racemes or 

 panicles ; bracts ovate, acuminate, pubescent, deciduous. Outer sepals 

 nearly equal, small, ovate, very hairy, ciliate ; wings large, rotund, 

 pubescent externally. Lateral petals truncate; keel with a recurved, 

 plaited crest. Ovary orbicular ; style curved. Stigma large. Samara 

 3-3| in., the nucleus smooth, sub-globular, '4 in. in diam. ; the wing 

 obliquely oblanceolate, membranous, with prominent transverse curving 

 arched nerves ; the upper edge thickened entire, the lower erose. 



Malacca, Maingay ; Perak, Wray. 



Not having seen any specimen with perfect flowers, I have copied 

 the description of the sepals and petals from Bennet. 



4. Trigoniastrum, Miquel. 



A shrub or small tree. Leaves hoary beneath. Flowers in slender 

 terminal panicles. Sepals 5, nearly equal, the two outer larger. Petals 

 5, imbricate, unequal, the two lower partially united to form a keel ; the 

 odd petal the largest, saccate at the base and with a large hairy gland 

 in its concavity. Stamens 5 or 6, the filaments united into a group be- 

 tween the ovary and the keel. Ovary densely hairy, 3-locular ; ovules 

 pendulous, solitary in each cell. Fruit of 3 samaroid, ultimately almost 

 distinct, carpels. Seeds 1 in each carpel, not strophiolate. 



Trigoniastrum hypoleucum, Miq. El. Ind. Bat. Suppl. I, 395. A 

 slender tree, 30 to 60 feet high ; young branches hoary-pubescent ; the 

 older with dark brown, lenticellatc bark. Leaves elliptic-lanceolate, shortly 

 and bluntly acuminate, narrowed to the base ; both surfaces shining ; 

 the, upper glabrous; the lower. pale, very minutely scurfy-pubescent, 



