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lection of these (comprismg the various kinds of carda- 

 mom), the planfe, with roots and fruit, should be trans- 

 mitted home, with the native names appended to them. 



Myrrh. — Is the myrrh of commerce produced by one 

 vegetable species ? or several ? If by several, specimens 

 of each kind and of the plant affording it are desirable, 

 accompanied by the native appellations. It is particu- 

 larly important to know whether the myrrh of commerce 



be the growth of Arabia or of Abyssinia and the adjacent 



parts of Africa. 



Euphorbhan Gum. — What is the species of Euphorbia 



affording the substance thus called in commerce, and 

 which comes from Mogadore ? The stems foimd In the 

 commercial Euphorbium are not those of the plant 

 figured in Jackson's ' Morocco.' nor yet are they those of 

 Euphorbia officinarum or E. Canarieiisis, 



flower 



Shea Butter. — Living plants and specimens in 

 and fruit are required. 



Galam Bvttcr, — Is this identical with the Shea butter 

 of Park ? 



Camwood. — The source of the dye-wood so called, 

 from the Gold Coast, with specimens of the tree, are a 

 desideratum. 



Biicku of the South- African Hottentots.— -To deter- 

 mine the different kinds collected by the natives. 



Senna. — What plant yields the African .:>enna ? 

 Richardson says it is brought from Ghat, in the Sahara. 



African Oak, or African Teak. 



This wood, though 



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largely imported by our royal dock-yards from the western 

 coast of Africa, is totallv unknown botanically. 



Ichaboe Resin. — The Ichaboe ships did, on more than 



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