498 CLXVI. AROIDE^;, (J. D. Hooker.) [Ariscema. 



Root tuberous. Petiole and peduncle 4-10 in., slender, green, obscurely mottled 

 with red. Leaflets membranous, 3-6 in., lateral unequal at tbe base, median acute 

 orcuneate at the base, margins sometimes obscurely erose (when dry). Spathe 2-3 

 in. long. Very near A. laminatum, Blume of Java, which has a white tube of the 

 spathe, and the green limb is contracted at the base, and is not carried round the 

 mouth of the tube. 



3. A. album, N. E. Br. in Journ. Linn. Soc. xviii. 247 ; leaf solitary, 

 leaflets petiolulate lateral dimidiate-ovate median elliptic base cuneate or 

 acute }> tube of white spathe about as long as the ovate-lanceolate acuminate 

 limb, appendage filiform shorter than the spathe bearing towards the tip 

 scattered subulate neuters. Arisaema, Wall. Gat. n. 8924. 



KHASIA HILLS, alt. '4000 ft., de Silva, Clarice. 



Tuber depressed. Petiole 10-12 in. ; lateral leaflets about 8 by 4 in., base very 

 unequal, tips filiform, median rhombic-ovate 5 pet'iolules f-1 in. Peduncle about as 

 long as the petiole. Spathe 3-4 in., tip filiform, margins beiow not revolute. Spadix 

 (female) with scattered neuters on the base of the appendage, besides those towards 

 its tip. 



4. A. petiolulatum, Hook.f. ; leaf solitary, leaflets all petiolulate 

 ovate or ovate-oblong abruptly cuspidately caudate, tube of spathe 

 equalling the lanceolate acuminate limb contracted at the base, appendage 

 slender cylindric erect obtuse naked. 



KHASIA HILLS, alt. 4-5000 ft., J.D.H. fy T.T., Clarice, MUNNIPORE, alt. 

 8800 ft., Watt. 



Rootstock elongate, rooting all over. Petiole and shorter peduncle slender ; 

 leaflets subequal, 6-10 by 2|-3f in., lateral cuneate or unequal -sided at the base, 

 median with an acute base. Spathe with a funnel-shaped tube and purplish limb 

 5 in. long, twice as long as the slender male spadix. 



5. A. Wattii, Hook. /. ; leaves 2, leaflets subsessile finely acuminate, 

 lateral dimidiate-ovate median elliptic-oblong, tube of spathe longer than 

 the orbicular-ovate caudate-acuminate limb, appendage long-stipitate 

 stout cylindric naked top rounded. 



MUNNIPORE ; at Mao, alt. 4000 ft., Watt. 



Petiole 8-10 in., leaflets 5-8 in., lateral 2-3 in. broad, inner half very narrow 

 and evanescent below ; nerves many, strong. Peduncle shorter than the petiole. 

 Spathe 5-6 in. long, limb 2 in. broad, margins below surrounding the tube and 

 recurved. Appendage 2| in., in. diarn., stipes in. 



6. A. anomalum, Hemsl. in Journ. Bot. (1887) 205 ; leaves soli- 

 tary, leaflets petiolulate ovate acuminate tips filiform, limb of spathe broad 

 ovate acuminate strongly incurved broader and rather shorter than the 

 tube, appendage slender narrowed upwards naked. N. E. Br. in Gard 

 Chron. (1890) i. 321 ; Bot. Mag. t. 7211. 



STRAITS OF MALACCA, Larut Islds., Curtis. PERAK, alt. 2500-3500 ft., 

 ScortecMni, King's Collector. 



Rootstock deformed, lohed ; lobes bearing solitary leaves or peduncles or both. 

 Petiole slender, green, leaflets 4-6 by If in. Peduncle shorter than the petiole, 

 purplish-green. Spathe 2 in. long, tube striped purplish -brown ; limb dark brown 

 purple, striped with white, lower margin forming a broad recurved border round 

 the mouth of the tube. Spadix male or bisexual ; male fl. often mixed with subulate 

 neuters. Stigma penicillate. There is in the Calcutta Herbarium a drawing of a 

 closely allied plant from Penang, with a dull purplish tube and green limb of the 

 spathe, and no neuters amongst the male fl. 



