New and Rare Malayan Plants 

 Series X. 



By H. X. Ridley, c.m.g., f.r.s 



During the continuation of my studies of the Malay Peninsula 

 flora I continue to find a good many species which have not been 

 described, or have been for various reasons confused with others. 

 In this series which is a continuation of the preceding ones, it is 

 noteworthy that there are no less than four species quite common 

 in the country but which are nameless, these are Memecylon 

 Wallichii, n. sp. confused with M. amplexicaule, Eoxb. Morinda 

 elliptiea. n. sp. one of our very commonest trees, confused with M. 

 citrifolia. L. : Fagraea gigantea, n. sp. confused with F. fragrans, 

 Roxb. and F. speciosa, Bl. and Allomorphia malaccensis, n. sp. con- 

 fused with A. exigua, Bl. In some cases the cause of the error was 

 due to the badness of specimens sent home; often the commoner 

 the species the more seldom is it collected, as the botanist is apt 

 to think it has been frequently sent home and neglects to collect it. 

 In other cases the mistake is due to Botanists not having sufficient- 

 ly carefully compared the type specimens and the description. 

 Thus both in the case of the Memecylon and Allomorphia, the types 

 or co-types are preserved and readily accessible and in good condition 

 yet early botanists have confused with the original species totally 

 different plants, and have been followed by later botanists to the 

 present day. 



Other new species are due to more recent discoveries in our 

 flora. 



STERCULIACEAE. 



Sterculia brachycarpa, n. sp. 



A tree 50-60 feet tall, stem 8-12 in. through. Leaves 

 chartaceous, dull, deep green, elliptic or obovate-elliptic abrupt- 

 ly acuminate, base blunt or shortly narrowed, glabrous above 

 except the red pubescent midrib, beneath midrib and nerves 

 9 pairs and reticulations distinctly elevate and covered with 

 stellate hairs, red on the midrib, 6-11 in. long and 3.5-5.5 in. 

 wide, petiole 1.5 to 2 in. long, hairy. Racemes 3-3.5 in. long, 

 slender dense, dark red velvety. Pedicels 25 in. long. red. 

 velvety. Sepals oblong lanceolate narrowed a little to tips, 

 densely hairy 2 in. long. Andraecium half as long glabrous, 

 anthers 7. Female flowers not seen. Carpels 3-4 ovate shortly 

 pointed 1.5-2 in. long and as wide, densely velvety red. Seed 

 2 to a carpel, oblong .75 in. long, black. 



Jour. Straits Branch R. A. Soc, No. 79. 



