152 Flora of the Malayan Peninsnla. 



invisible ; the midrib depressed on the upper surface, prominent on the 

 lower ; length 1*25 to 275 in. ; breadth '1 to '4 in. ; petiole '1 to -25 in. ; 

 the smaller leaves linear, *3 in. long. Stipules like the smaller leaves 

 but somewhat shorter and broader. Cymes terminal, pedunculate, 

 shorter than the leaves, 2- 4-flowered. Peduncles slender, longer than 

 the pedicels, with one or two whorls of small lanceolate bracteoles ; 

 pedicels longer than the flowers, bracteolate at the base. Flowers "35 in. 

 long, white. Calyx campanulate ; with 5 triangular, acute, spreading 

 teeth as long as the short tube. Corolla vs^ith 5 spreading lanceolate, 

 acuminate lobes twice as long as the calyx. Stamens 5 in an erect cone ; 

 the filaments short, thick, curved ; anthers linear- lanceolate ; the connec- 

 tive mai'gined and apiculate. 



Perak: ScortecMni \890. Penang : Curtis 3B32. 

 16. Argostemma subcrassum, King n. sp. A glabrous herb 12 to 

 18 in. high ; steins succulent, thinner than a goose-quill when dry, little 

 branched, decumbent near the base, ascending, covered with a layer of 

 smooth, oblong scales. Leaves very unequal, membranous ; the larger of 

 eacli pair membranous when dry, succulent when fresh. ; elliptic- or ob- 

 lanceolate-obloug, somewhat oblique, acuminate, narrowed at the base ; 

 both surfaces olivaceous-brown when dry, the lower the paler; main- 

 nerves 7 to 12 pairs, ascending, much curved, faint on both surfaces 

 when dry; the midrib raised on the upper surface, flat and broad on the 

 lower; length 3'5 to 7 in.; breadth 1 to 15 in.; petioles "1 to "3 in. ; 

 slightly winged. Smaller leaf ovate- cordate, sessile, only "l to "25 in. 

 long. Stipules like the small leaves but smaller. Cymes with few or 

 many umbellate branches, the ultimate branches few-flowered, lax ; the 

 branches with small lanceolate bracteoles at the forks. Flowers '4 or '5 

 in. long, on slender pedicels as long as themselves and minutely bracteo- 

 late at the base. CalyX'tuhe short, campanulate, its 5 lobes thick, shorty 

 , broadly ovate, blunt or acute, spreading. Corolla three times as long as 

 the calyx; its 5 lobes lanceolate, '25 in. long, spreading. Stamens con- 

 joined in an erect cone longer than the corolla ; anthers linear-lanceolate^ 

 the connective with a long terminal process half as long as the anther ; 

 filaments short, thick, curved, dorsi-fixed near the base of the anther. 

 Capsule obovoid-globular, truncate, crowned by the calyx, smooth, 2- 

 celled, many-seeded. 



Pekak : ScortecMni 1203, 1912 ; King's Collector 10164 ; Ridley 

 9762. Selangor : Ridley 7408. 



16. Argostemma perakensis. King n. sp. Stem erect, unbranch- 



ed, with the peduncle 8 in. high, thicker than a crow-quill, bearing a 



few scattered coarse hairs near the base, otherwise glabrous. Leaves 2 



pairs, thinly membranous, very unequal ; the larger oblanceolate-elliptic, 



42 



