152 BOTANICAL AND PHARMACEUTICAL DESIDERATA. 
ASIA (INCLUDING AUSTRALIA.) 
[N. B. Being sent by way of the Red Sea, it may be re- 
marked that some of the products, enumerated under this 
head are derived from Abyssinia, Arabia, or the east coast 
of Africa.] 
Ammoniacum. — Determine the true origin of this gum- 
resin by specimens of the plant yielding it in Persia, forty- 
two miles south of Ispahan. Another kind is equally wor- 
thy of inquiry from Morocco in Africa, with the gum-resin 
and exact locality. 
Sagapenum. — A gum-rcsin : its source? It is said to 
come from Persia, and to be derived from a Ferula. Spe- 
cimens of the plant with the gum-resin which it affords are 
desirable. 
Galbanum.— Whence obtained ? It is brought to us from 
Singapore and Persia. 
Gamboge. — Specimens in flower, and the fruit of the plant 
affording the gamboge of Siam, and the mode of extracting 
this and other kinds of gamboge, such as that of Ceylon, &c. 
Animi Gum, or Piney Varnish, said to be produced by 
Valeria Indica. 
Copal. — The origin of this gum-resin in India? 
Bdellium.— The source of the Persian and African 
false myrrhs of this name, the localities producing them, 
the native names, and specimens both of the products and 
the plants. 
Olibanum. — The above remarks apply to olibanum. 
Elemi. — The source of the five varieties^of Elemi, viz : 
1. Holland Elemi. 2. Brazilian Elemi. 3. East Indian 
Elemi, in bamboos. 4. Manilla Elemi; and 5. Mexican 
Elemi. Samples from the various countries, with the plants 
and native appellations, should be transmitted for verifica- 
tion. Is any Elemi procured from Ceylon? (Obtain 
perfect specimens. 
Tragaca nth.— The tragacanths of Mount Ida and Moun 
