Pistia.) CLXVI, AROIDEZ. (J. D. Hooker.) 497 
P. Stratiotes, Linn. Sp. Pl. 963; Roxb. Cor. Pl. iii. 63, t. 269; FI. 
Ind. iii. 131; Grif. Notul. 12, 211; Ze, Plant. Asiat. t. 260, 261; Dalz. & 
Gibs. Bomb. FI. 281 ; Bot. Mag. t. 4564.—Rheede Hort. Mal. t. 32. 
Throughout INDIA, and CEYLON; in still sweet water.—DISTRIB, tropics 
y. 
, Roots of tufted simple white fibres clothed with fibrille. Leaves 1}-4 in. long 
im Indian forms, apex rounded or retuse, undulate, pubescent above and beneath ; 
Mies raised beneath, flabelliform, converging within the margin. Spathe white, 
uely campanulate, lin. long, tomentose externally, gibbous and closed below, 
contracted about the middle, dilated and nearly circular above, 
4. A'RISIEMA, Mart. 
d Tuberous herbs. Leaves 3-sect, pedatisect, or leaflets whorled. Spathe 
eciduous, tube convolute, limb often acuminate or tailed, usually in- 
EM. Spadiz included or exserted, appendage various often excessively 
ng and filiform. Male Jl. many, stipitate (sessile and connate in a 
tontinuous stratum in A. flavum), anthers 2-5 oblong or subglobose. Fem. 
Det crowded ; ovary l-celled; style short or 0, stigma disciform ; 
mal or more, basilar, orthotropous. Neuters 0, or a few above the 
ab females, or on the appendage, subulate. Berries l-fow-seeded, 
nmi ; ile.— i temp. and trop. Asia, 
and N, America. ; embryo axile.—Species about 50, temp. a p 
GT ? characters taken from the plants being mono- or dicecious are not absolute 
rid Constant, as are those of leaves one or two. 
 Taiszcra, Leaves trifoliolate (Sp. 1-17). 
ding Pendago much shorter than the limb of the spathe.—Usually all 
ig Roxrburghii, Kunth Enum. iii. 18; leaves 2, leaflets ovate- 
te caudate-acuminate lateral subsessile median petiolulate, limb of 
° ovate-lanceolate acuminate incurred or involute, appendage very 
Prodr, g3 to Baked or with a few basal neuters. Schott Syn. Aroid. 27; 
Fl Ing. ue A. cuspidatum, Engler Arac. 536. Arum cuspidatum, Roxb. 
ni 906; Wight Ic. t. 781. B 
| a Roxburgh ; on Govt. Hill, alt. 2000 ft., Curtis. PERAK, Scortéchini, 
Bess STRIB. Java (Ie. Horsfield.) ne the scape 
igi, e horizontal, rooting all over. Petiole elongate sheathing the b pe ' 
Pale ello and peduncle mottled-green and pink; leaflets 4-10 by 1-5 in, Spa e 
y TN green, tube 4in., longer than the limb, margins not recurved aroun 
re be in Roxburgh's drawing, but distinctly in one of Scortechini " 
tip. Male ots a much broader strongly incurved limb of the spathe with a caudate 
bears a fey 70i? very slender, tapering into the short filiform appendage whic 
2 a Subulate neuters, 
late "Kunstler Hook. f. ; leaf solitary, leaflets ovate or ovate-lanceo- 
nibeaudately acuminate 2 or the mediàn only petiolulate, limb of the 
tube ‘Pathe suberect ovate-lanceolate acuminate about as long as jo 
Y Toader, base dilated round the tube hardly recurved, male 
appendage? slender ending in a very slender naked finely acuminate 
Perra ` 
Beet. E, Kunstler Ic. in Herb. Calcutt.). PENANG, King's Collector (1653), on 
duis 1b alt 2000 ft, Curtis. ppm His: Nya Bungalow, alt. 2000 ft. 
Y ŝ 
EN x k 
