130 Materials for a Flora of the Malayan Peninsula. 



Trees or erect shrubs : — 



Stamens 5, united ; fruit of 3 samai'oid 



carpels ... ... ... 4. Trigoniastrum. 



Stamens 8, distinct ; fruit 1-celIed, not 



winged ... ... ... 5. Xanthophyllum. 



1. POLTGALA, Linn. 



Herbs or more rarely shrubs. Leaves alternate. Sepals usually 

 persistent; 2 inner larger, usually petaloid. Petals 3, united at the 

 base with the staminal sheath, the inferior keel-shaped and generally 

 crested. Stamens 8, filaments united for their lower half into a split 

 sheath ; anthers opening by pores. Ovary 2- celled, ovules 1 in each 

 cell, pendulous. Capsule 2-celled, loculicidal, 2-seeded. Seeds almost 

 always strophiolate and albuminous. Distrib. conterminous with the 

 order, except Tasmania. About 250 species. 



Sect. 1. Cham^bcjxus, (Tourn. genus ^. Slirubs with large hand- 

 some flowers. Calyx deciduous, the lower sepal large, concave-cucullate. 

 Keel crested. Seeds with a large stropliiole, exalbuminous. 



1. PoLTGALA VENENOSA, Juss. in Poir. Diet. V. 493. A glabrous shrub 

 4 to 10 feet high. Leaves membranous, lanceolate or oblanceolate to 

 oblong-lanceolate, acuminate, entire, narrowed to tlie short petiole; 

 primary nerves 7 or 8 pairs, the secondary nerves nearly as prominent, 

 the reticulations open, rather prominent ; length 5 to 8 in., breadth 

 1'5 to 25 ; petiole '2 in. Racemes axillary, pendulous, 1 to 3 in. 

 long, often much elongated in fruit. Flowers more than "5 in. long. 

 Capsule renifoi>m, striate, more or less 4- winged, 4 in. in diara. ; DC. Prod. 

 I, 331 ; Bl. Bijdr. 59 ; Miq. Fl. Ind. Bat. I, pt. 3, p. 126 ; Chamcebuxns 

 venenosa, Hassk. PI. Jav. Rar,, 294; PL Jungh., I, 126. 



Var. robusta. Miq. 1. c. ; Hassk. PI. Jungh. 1. c. Leaves large, ellip- 

 tic-oblong to oblong. 



In all the Provinces at low elevations. Distrib. Malayan Archi- 

 pelago. 



A common shrub with handsome flowers ; the inner sepals white 

 with pink veins ; the petals white, spotted with pink and the keel pink. 



Sect. II. Herbs. Flnivers small. Calyx deciduous after flowering. 

 Keel not crested. Seeds albuminous. 



2. PoLTGALA TRIPHYLLA, Ham. in Don Prodr. 200 ; var. glaucescens, 

 Hf. Fl. Br. Ind. I, 199. A glabrous, weak, erect or ascending herb. 

 Leaves thinly membranous, lanceolate or ovate-lanceolate, sub-acute, 

 contracted into the petiole; main nerves about 7 pairs, thin; length 15 

 to 2 in., breadth "75 in., petiole "5 to '75 in. Racemes axillary, 2 to 4 in. 

 long, (or mor-e) slender. Floivers 'I in. long. Lateral sepals jpetoloid, 



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