Flora of the Malayan Peninsula. 537 



raised on the lower surface ; main nerves 5 to 7 pairs, broadly arched to 

 meet in a looped intramarginal nerve rather far from the edge ; 

 reticulations irregular, chiefly transverse ; petiole slender, -5 to 1 in. long, 

 channelled and puberulous on the upper surface. Cymes many-flow^ered, 

 slightly puberulous ; peduncles '5 to '75 in. long, thickened at top below 

 the corymbs ; pedicels "25 in. long, slender ; bracts small, triangular ; 

 buds broadly ovoid. Galyx-lohes scarious, ovate, obtuse, '05 to "1 in. 

 long ; scales minute, 5 to 10. Corolla-lohes nearly orbicular, pubescent 

 within, -2 in. long, pale purple. Anthers slightly auricled; appendages 

 much incurved. Style-apex 5-lobed with a rounded tip. Follicle 

 globose, retuse at apex and base, 4 in. in diam. ; pericarp very thick, 

 with many raised dots. Seeds broadly obovate, flat with a raised 

 border, apiculate, '7 to 1 in. long; coma none; testa dark brown; 

 cotyledons obovate, retuse at apex ; radicle small. Wight Contrib. 47, 

 and Ic. t. 1273 ; Dene, in DC. Prodr. VIII. 625 ; Hook. f. Fl. Br. Ind. 

 IV. 27; Prain Beng. Plants 693. S. carinatus, Grifi'. Notul. IV. 53, and 

 in Ic. PL Asiat. t. 410 {not of Wall). 



Perak : Scortechini 127, 1393 ; King's Collector 1028, 1162. 

 Malacca: Griffith S77S. Singapore: Hullett 32, 64:8; Biclley bl^^b.— 

 DiSTRiB. India (Salt Lakes, Calcutta, C. B. Clarke), Burma (Mergui, 

 Griffith), Borneo (Haviland). A plant of the banks of salt river-creeks. 



19. Pentasacme, Wall. 



Tufted erect glabrous herbs, with slender simple stems and many 

 wiry roots, rooting on rocks. Leaves opposite, membranous, narrow. 

 Floivers yellowish or white, small, in short axillary umbelliform or 

 racemose cymes ; pedicels capillary. Calyx 5-partite, with 5 glandular 

 scales within. Coro//a-tube short, campanulate ; lobes narrow, caudate, 

 twisted, overlapping to the right in bud. Co;'07M-processes 5, on the 

 corolla-tube, entire or toothed. Staminal-coliumn very short ; anther- 

 appendages membranous ; pollen-masses 1 in each cell, erect, ovoid, 

 waxy, attached near the middle by a slender caudicle to an oblong pollen- 

 carrier. Ovary of 2 carpels ; style short ; style-apex 5-angled, conical 

 or beaked at apex. Fruit of 1 slender terete follicle, straight ; pericarp 

 thin, smooth. Seeds oblong-spathulate, not or very slightly winged, 

 convex on both surfaces ; cotyledons ovate ; radicle cylindric. — -Distrib. 

 Species 3 or 4 : two of India and Malaya, the other Chinese. 



Pentasacme caudatum. Wall. Cat. 8234 (1829). A tufted erect 

 glabrous herb ; stems simple, many, slender, 12 to 18 in. long, pale 

 brown, terete, '1 in. in diam. ; roots many, slender, twisted, spreading. 

 Leaves membranous ; linear-lanceolate, long caudate-acuminate at apex, 

 narrowed at base ; pale on both surfaces when dry, vender surface 



