Materials for a Flora of tlie Malayan Peninsula-. 31 



Leaves rounded at the base. 



Petiole edge crenulate . . . . . . 4. *?. Scorteclmm. 



Petiole edge not crenulate. 



Stem short and thick . . . . , . 5. *S'. WalUchii. 



Stem slender far creeping . . . . 6. S. hrevicuspis. 



Leaves narrowed to tlie base. 



Peduncles very short . . . . . . 7. S. marginata. 



Peduncles long slender . . . . . . 8. *S'. longifolia. 



1. S. CALYPTRATA, Zoll. and Mor. Syst. Verz. p. 83. Stem rather 

 large. Leaves ovate cuspidate cordate, sinus usually deep, lobes 

 rounded 9 inches long, 5 inches wide, light green petiole 9 inches to a 

 foot long, sheathing for | of its length. Peduncle 2 to 4 inches long 

 in flowers 6-7 inches long in fruit. Spathe 3 inches long, basal portion 

 swollen nearly an inch through 1 inch long deep green. L'pper por- 

 tion convolute much swollen lf-2 inches long cuspidate, greenish 

 white, veins darker. Spadix floriferous to base 2^ inch long, stout, 

 apex clubbed blunt f inch long of sterile males, below this fertile 

 males f inch, narrowed at the base, flowers small oblong, at the nar- 

 rowed portion are some abortive males and below some disc like abor- 

 tive females. Fertile female portion 1 inch long, ovaries green oblong 

 narrowed at the base, stigma very small here and there a few white 

 clubbed neuters interspersed. Fruit ol)long thin whorled 2 inches 

 long. Seed oblong elliptic verv small olive coloured ribbed. Engler. 

 Arac. 352. Hallier. Bull. Herb. Boiss. VI. 620. Sch. latifoUa, Miq. 

 Fl. Ind. Bat. 111^214. Bot. Zeit. 1856, p. 565. Sell, longipes, Hook, 

 fil Fl. Brit. Ind. VI. 538 (not Miquel). 



var. (a), con.^olor. Hallier. I.e. Leaves entirely plain green. 



Singapore: Bukit Timah; Pahang: Tahan Piver; Penang Water- 

 fall Gardens (2828). 



var. (b)./;i'dfl. Hallier. Ann. Buitenz. XIV. 2, 260. Sell, pida, 

 Schott. Oesterr. Bot. Zeitschr. VIII. 31T. Teysm. and Binn. Tijdsch. 

 Ned. Ind. XXVII. p. 25. Engler. Arac. 350. 



Leaves light green witli a yellow green band on each side of 

 the midrib. 



Singapore: Bukit Timah (Eidley 4602) ; Johor: Pengaram, Batu 

 Pahat; Pulau Tioman; Xegri Sembilan: Perhentian Tinggi; Pahang: 

 Tahan Eiver (Pidley) ; Selangor: Petaling, Kuala Lumpur Caves; 

 Perak (Scortechini 622a), Larut Hills; Penang: Tanjong Tokong, 

 Waterfall (Curtis 2828). 



var. alhidomaculata, Hallier I.e. Leaves darker green with white 

 spots. 



Selangor: Pahang Track (Eidley), alt. 2000 feet. Distrib. Java, 

 Sumatra, Amboina, Celebes, Borneo. 



