443 
The extract more especially that from the young branches has 
been found to contain a fair proportion of caoutchoue, an vu dir 
showing 25:5 per cent., with 21-9 per cent. resinous matter and 
15-7 = cent, water (Jo ourn. Soc. Arts, lxi. 1912, P 149). 
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[7 
Ref.—' New Rubber Yielding P Plate i in | Mexico,’ 'in n Bull. Imp. 
Inst. viii. 1912, *' Plumerias," pp. 46-47.— —''A New India 
Rubber Producing Plant," in Journ. Roy. Soc. Arts, 1xi. 1912, 
pp. 148-149. 
ALSTONIA, R. Br. 
Alstonia congensis, Engl.; Fl. Trop. Afr. IV. Sect. 1, p. 121. 
Iil.—Revue Cult. Col. vii. 1900, p. 492, 493 (Alstonia scholaris 
c Geog. Bot. Sénégal et Soudan, p. 207, 224 ( 
scholari 
names. —Ebr p erri, She riff); Uhu 1 (Benin, 
Throughout the RE Provinces, Nigeria. Found from 
Senegambia to the Lower Congo, E. Africa, etc 
Ren Mi used for making native stools, Ashanti (Thompson, Col. 
. Mise. No. 66, 1910, p. 20), bowls, spoons and fur eu 
3 Rivers (Thompson, List of For. Trees, S. Nigeria, 1910, 
in cabinet work for interior finishing, ete., of furniture, Ivor 
Coast Achten Bois Cote d'Ivoire, in Les Vég. Util. L Afriq. 
Trop. Frang. fasc. v. 1909, p. 121); used for boats and war drums, 
Bahr-el-Ghazal, Sudan n, No. 920, Herb. Kew). Itis light, 
white and soft. Chevalier (l.c.) bei a rod of 0:391, and a 
specimen of the woody root (with bark) from S. Nigéria has 
specific gravity 0-304 = 19 lb. per cubic foo 
The latex is used to adulterate that of ME reni. S. Nigeria 
(Dudgeon, Agric. and For. Prod. W. Afr. p. 99) for adulterating 
that of Funtumia elastica and other latices, Gold Coast (Thompson, 
Ee ; Armitage, Report, Rubber Trees and Vines, Encl. in Letter 
Col. Office to Director, Kew, Nov. 30th, 1898); for adulterating 
good rubber, but will not coagulate properly by itself, Ibadan 
(Punch, No. 145, 1900, se seed and as bird-lime by the 
natives, Benin (Unwin, Mus. K 
The bark is used, and also tg dem for medicinal purposes by 
the natives, S. Nigeria (Thompson, List. For s, Lc), Gold 
Coast (Armitage, Poor Rubber Trees and Vine = 
Found as a lofty tree common in the moist nem ‘Gebthacs 
pros Nigeria (Col. Rep. Mise. No. 51, 1908, p. 39) 60 ft. 
