Materials for a Flora of the Malayan Feninstila. 203 



stipular glands at the base of the petiole. Floicers in scapes, or in 

 axillary oi* terminal 1-2 or many-flowered peduncles, irregular, resupinate. 

 Sepals 3, rarely 5, imbricate ; 2 anterior when present minute ; 2 lateral 

 small, flat, usually green; posterior (anterior in flower) large, petaloid, 

 produced into a hollow spur or sac. Petals 3 (or 5) ; anterior (outer 

 in bud) large; lateral 2-lobed (or 2 connate). Stamens 5, filaments 

 short, broad ; anthers cohei"ing. Disc 0. Ovary oblong, 5-celled ; stigma 

 sessile, 5-toothed ; ovules many, 1-seriate in each cell. Capsule loculici- 

 dal ; valves 5, elastically springing away from a placentiferous axis. 

 Seeds smooth or tubercled, glabrous or hairy, albumen ; embryo 

 straight. — Distrib. Mountainous parts of Trop. Asia and Africa, rare 

 in Temp. Europe, N. America, N. Asia, and S. Africa ; species about 200. 

 Flowers yellow : stem fleshy, several feet high 



and more than a foot in diam. at the base ... 1. /• mirahilis. 

 Flowers lilac, purple or white : stems herbace- 

 ous, slender. 



Leaves linear-lanceolate, the upper 



whorled, the lower in pairs, opposite... 2. I. Qriffithii. 

 Leaves linear-oblong to obovate or ro- 

 tund, all opposite ... ... 3. J. chinensis. 



1. Impatiens mieabilis. Hook. fil. in Curtis's Bot. Mag., t. 7195. 

 Stem fleshy, cylindric, 3 to 5 feet high and 18 to 20 in. in diam. at the 

 base, branched above. Leaves thinly fleshy, crowded at the ends of 

 the branches, much narrowed to the base, obovate to ovate, 

 crenate, with a thick fleshy midrib and 13 or 14 pairs of faint pinnate 

 nerves, both surfaces glabrescent : length 5 to 7 in., breadth 3'5 to 4*5 

 in., petiole 1 to 1*5 in. Racemes axillary, as long as, or longer than the 

 leaves, slender, and few-flowered. Flowers yellow, 1*75 in. long, sepals 3 ; 

 the lateral elliptic-oblong, acute ; the posterior widely hemispheric 

 with a short incurved spur ; anterior petal rotund, transversely oblong, 

 the lateral petals united into a single 3-lobed piece. 



Langkani : Curtis No. 1678. 



The above description of this very remarkable species is chiefly 

 copied from Sir Joseph Hooker. 



2. Impatiens G-ripfithh, Hook. fil. and Thoms. in Journ. Linn. 

 See. IV, 120 : Fl. Br. Ind. I, 445. Herbaceous ; stem a foot or more in 

 height, erect, terete, sparsely puberulous. Leaves linear-lanceolate, much 

 narrowed towards the base, those in the lower part of the stem in 

 pairs, opposite and petiolate ; those in the upper part narrower, in 

 whorls of three and sessile; all remotely sei-rate-toothed, 1'5 to 4 in. 

 long ; the texture rather thick, the lower surface pale and glabrous, 

 the upper sparsely hairy. Pedicels solitary, rarely paired, slender, 



445 



