BOTANICAL TOUR IN THE LAKHIMPUR DISTRICT, ASSAM. 75 
water to destroy their vitality before exporting them to the lower 
hills. The approved method of preparing the roots by the Abors (and, 
doubtless, by the other tribes) is to pound them into a rough powder 
which is mixed with pigs fat (or, it is said, sometimes with the 
mucilage from the fruits of Dillenia mdied) to ensure perfect and 
continuous adhesion. The mixture is applied firmly to the arrow 
head leaving the point bare. The shaft is often incised just behind 
the head, so that it easily breaks off when an animal is struck. 
Dilleniacese, 
Delima sarmentosa, Z. — A common large climber in the forests. 
Dillenia indica^ One of the commonest trees in the district 
and throughout the province. 
In Dr. King’s valuable monograph of this order, eight species of 
forest trees yielding good timber are recorded from this district. 
They are Talauma Hodgsom^ Hk. f. and T., Magnolia pterocarpa^ 
Roxb., iT/. Gustaviy King, M* Griffithiiy Hk. f. and T., M PealianUy 
King, Manglietia insignisy Bl, M. Caveanay Hk. f. and T., Michelia 
Manniiy King. There is one climbing species, Kadsura Rox- 
burghianay Arn, 
Anonaceae^ 
Of this order there are three climbers, Uvaria Hamiltoniiy Hk. 
f. and T., Melodorum bicolory Hk. f., Miliusa Roxburghianay Hk. f. 
and T. ; two shrubs, IJnona discoloTy Vahl., and Gomothalamus 
sesquipedalisy Hk. f. and T. and one small tree, Polyalthia simiarumy 
Bth. and Hk. f. 
Menispermaceae, 
The plants I noted of this order were Tinospora sp.y Anamirta 
Cocculus, W. and A., Pericampylus incanuSy Miers, and Cis^ampelos 
Pareira, Z., which is very common on the outskirts of small woods 
at Sadiya. 
Papaveraceae, 
Argemone mexicanay L, 
Papaver somniferuniy Z. — The cultivation of opium is forbidden 
in Assam, but as it is grewm by the hill tribes the inhabitants of the 
valley can probably smuggle as much as they require. In the 
“Englishman’^ newspaper of the 14th April 1894 an interesting 
extract was published of an account of the Singpho tribe. The 
