Pothos.] CLVIII. AROIDE^. 131 
purple. Spadix thick, curved, cylindric, blunt, 75 to 1*5 in. long, 
•12 in. through. Drupe -25 in. long. Hah. Perak (Scortechini). 
(10) P. Kingii Hook. fil. F.B.I. vi. 553; Rtdl. Mai. iii. 51. 
Stem 20 to 30 ft. ' long, stout. Leaves oblong cuspidate, or 
oblong-lanceolate caudate acuminate, base narrowed, rounded, 
often inaequilateral, rather thin, 6 to 10 in. long, 3 to 4 in. wide; 
petioles 3 to 4 in. long, edges membranous at length fibrous, tip 
2-auricled, knee *25 in. long. Bracts 1-5 to 2 in. long. Spathe 
ovate-lanceolate, 4 to 6 in. long, dark purple inside, pale outside. 
Spadix 2 to 3 in. long, dense; stigma penicillate. Hab. Rare, in 
mountain forest. Perak, Thaiping Hills at 2000 to 3000 ft. altitude 
(Kunstler). 
(11) P. grandispatha RidL Journ. Roy. Hs. Soc. S. Br. 41, 
p. 48; Mai. iii. 51. 
Stem less than -12 in. thick. Leaves lanceolate cuspidate, 
cusp -5 in. long, base narrowed, blunt, 6 to 8 in. long, 2 to 2-5 in. 
wide; petioles 2 in. long, rather broadly sheathing to the very 
short -12 in. long knee; sheath eventually breaking up into fibres. 
Peduncle 2 in. long. Spathe broadly ovate acuminate, narrowed 
at base, purple, 2*5 in. long, i in. wide. Spadix very slender, i in. 
long, sessile. Hah. Hill forests. Rare. Penang on West Hill (Curtis). 
23 . ACORUS, Linn. 
Marsh herbs with an aromatic rhizome. Leaves distichous, 
ensiform, erect. Peduncle leaf-like. Spathe ensiform erect con¬ 
tinuous with the peduncle. Spadix sessile, cylindric, dense- 
flowered. Sepals 6, orbicular, tips incurved. Stamens 6; anthers 
reniform. Ovary conic, 2- to 3-celled; ovules many. Berries 
few-seeded. Species 2, north temperate zone. 
(i) A. calamus Linn. Sp. PL 324; Griff. NotidcE, iii. 357; 
Ic. PI. Hs. t. 162 ; Ridl. Mat. iii. 52. 
Leaves 3 to 6 ft. tall, -75 to 1*5 in. wide. Peduncle 19 in. long. 
Spathe 6 to 30 in. long, acuminate. Spadix green, 2 to 4 in. long, 
obtuse. Hab. Cultivated and in old damp cultivated ground all 
over the Peninsula, seldom flowering, probably introduced. Native 
names : Jeringu and Deringu. Distrih. Nearly the whole world. 
Use : In native medicine and magic. 
Order CLIX. LEMNACE^. 
Minute or very small floating plants, scale-like, green, rootless 
or bearing i or more slender roots on the under side of the frond. 
Blowers minute, i to 3, naked or in a spathe. Perianth 0, Stamens 
I or 2 with I- or 2-celled anthers. Ovary flask-shaped, i -celled. 
Seed I or more. 
