fi. Alocasia.] 95. ABACUS. [9. Pi.esmonium. 



Top of staminal-column crenulate, cells several opening by porea 

 .bove. Ovules 3-5. Style short stout. Stigma capitate. 



2. A. macrorrhiza, Schott, and 3. A indica, Schdtt, only occur 

 cultivated and near villages. The former is remarkable for the 

 enormous devalopment of the stem, and the leaves in lower Bengal may 

 attain 4 ft. 



6. Typhonium, Schott. 

 1. T- trilobatum, Schou. 



A herb with a sub-globose tuber, hastately 3*lobed leaves 

 4-7" long and broad, petiole 6"-l ft. Spathe 3-fr" purplish 

 inside and nearly flat. Spadix produced into a bright red 

 mnricate appendage. Neuters long curved filiform. 



Valleys in Singbhum, often in rocky places. Fls. Aug. -Sept. 



7. Sauromatum, Schott. 

 1. S. gnttatum, Schott. 



A herb with a hemispherical tuber. Leaf solitary 6-12* 

 broad pedati-partite. Spathe about 7" narrow-oblong with 

 purple blotches, margin incurved and sinuate. Peduncle 0. 

 Spadix rather shorter than spathe with long stalked clavate 

 neuters *bove the ovaries, then a smooth purple striate space 

 about 1|" long with the males above. Appendage long and. 

 slender. 



Fls. April. The leaf appears in June. 



Arisaema tottuosum, Bchoti, has only been found on Parasnath in 

 Chota Nagpur. 



It is easily recognized by its erect stem with 2-3 pedate leaves and 

 terminal green spathe with cymbiform limb. The spadix with its appen- 

 'dage is exsert erect but with an intermediate obliquely curved portion, 

 Fls. August. 



9. Plesmonium, Schott. 

 1. P. margaritiferum, Schott. Had, K. 



A herb with a hemispherical tuber about 3" diam\ 

 Leaves 12-18" diam. ternate with the segments pinnatisect, 

 the lateral forked. Lflts. 4-6" linear acuminate. Spathe 



6$3 



