In this group may be included the oleo-resins, such as copaiba, cubebs and Canada balsam; the gum-resins, such as asafetida, myrrh, ammoniacum and galbanum; and the true balsams, such as benzoin, storax, balsam of Tolu and balsam of Peru.
One of the most important of these is the gum-resin of Narthex asafetida, which grows abundantly in the high and dry plains of Western Afghanistan, especially between Kandahar and Unculti- Herat.
A large quantity of wool, together with silk, dried fruit, madder and asafetida, finds its way to India by the Kandahar route.
Other gums are gum-ammoniac, asafetida, galbanum, sagapanum, sarcocolla and opoponax.
Examples are ammoniacum, asafetida, bdellium, euphorbium, gamboge, myrrh, sagapanum and scammony.
The word usage examples above have been gathered from various sources to reflect current and historial usage. They do not represent the opinions of YourDictionary.com.