126 Materials for a Flora of the Malayan Peninsula. 



Sepals and petals ovate. Pistillodes in 



male flowers numerous ••• ••• 1. S. aftinis. 



Sepals and petals lanceolate. No pistil- 

 lodes in male flowers ••• ... •■• 2. S. major. 



1. Sc. afpinis, Becc. Malesia III. 331, t. XXXIX. 14-18. Stem 

 filiform often branched with ascending branches, 4-5 inches tall. 

 Leaves ovate acuminate scale-like, base sheathing ve inch long. 

 Flowers numerous scattered, pedicels slender nearly i inch long spread- 

 ing. Bracts lanceolate acute. Petals and sepals ovate acute male 

 flowers stamens 3 with very short filaments, pistillodes numerous 

 Femals carpels crowded in a globose head numerous smooth subglobose 

 Staminodes 6 short. 



Singapore : Bukit Timah, Seletar (Ridley) ; Malacca : Bukit 

 Sadanen, Mount Ophir (var. major) (Ridley 3147) ; Selangor : 15th mile 

 Pahang Track (Ridley) ; Pahang : Tahan River (Ridley) ; Perak : Gunong 

 Keledang (Ridley). Gunong Bubu (Wray). Distrib. Borneo. 



Common in woods among rotten leaves to an altitude of 4000 

 feet, but often difficult to see on account of the very delicate hairlike 

 purple stems. 



2. Sc. MAJOR, Becc. Malesia III. p. 332, t. XL. fig. 1-11. Simple 

 or much branched slender stems 4 to 6 inches tall. Leaves scattered 

 ovate obtuse. Flowers numerous scattered on very short pedicels pale 

 lilac. Pedicels ts inch long. Bracts small obbng. Male flowers 

 stellate. Sepals and petals lanceolate acuminate. Stamens 2 or 3. No 

 pistillodes. Female flowers. Pistils glandular globose. Carpels sub- 

 globose. 



Malacca : Bukit Bruang (Ridley 3535) ; Perak : Gunong Keledang, 

 Kedah, Gunong Jerai (Ridley). Distrib. Borneo. 



XVI. ALISMACEAE. 



Aquatic or marsh plants. Leaves herbaceous radical ovate, lan- 

 ceolate or linear, usually petioled. Inflorescence panicled or umbellate. 

 Flowers white or pink regular uni-or bisexual. Sepals 3 herbaceous. 

 Petals fugacious 3. Stamens G or more, hypogynous or perigynous. 

 Anthers basifixed. Carpels 3-6 or more sessile or stalked on a flat or 

 elevated receptacle. Style 1 sub-terminal or basal. Stigma simple. 

 Ovulos 1 or more. Fruit small achenes or follicles with small 

 oxalbuminous seeds. 



Achenes long beaked. ••• 1. Banalisma. 



Achenes rounded verv numerous. ••• ... 2. Sag it tana. 



