- lumps of a yellowish colour; it is of horny texture, somewh 
brittle, without odour; the taste is soapy. When placed 
water it gradually ifiens: and finally disintegrates into a fin 
granular matter which floats in the form of flaky particle 
- and becomes slightly viscid. 
Wostern Peuitsnls and Ceylon, in Marathi Punai, yields 
- in cold water, to which it yields a yellow brown solution 
_ precipitation the solution although lighter in colour 
176 TERNSTRGMTIACEZ. 
Travancore. The gum occurs in large translucent irregula 
a dirty white colour, and numerous oil globules which gradually 
collect upon the surface; the water dissolves a small poe 
Calophyllum tomentosum, Wight, Beddome FI. | 
wmit., t.2; Wight. Ic, t. 110. Poon (Eng.). A tree of 
which is black and opaque, and much mixed with pieces 
corky bark ; it has a feeble astringent taste, and is very § 
biting a strong blue fluorescence. Alum followed by carb 
of soda throws down apparently some of the brown colo 
matter without interfering with the fluorescence, as 
strongly fluorescent. 
A solution purified . by alum in this way has its fluor 
immediately destroyed by acids and restored again by ¢ 
Examining its absorption spectrum it is found that whi 
rescent the solution gives a broad absorption he al 
violet end of the spectrum extending to about G.; _ 
ppears on destroying. the fluorescence by ule bu 
appears on the addition of alkalies. The solution of the 
does not appear to rotate polarized light. The gum itself 
municates only a very faint fluorescence to rectified & 
(Lyon.) 
TERNSTR@MIACE. 
‘CAMELLIA THEIFERA, Grif. 
Fig.—Trane. Linn. Soc. XXIL., t. 61; Bentt. _ 
84. Tea ~~ ee ), Théi’r -* 
