472 APPENDIX. No. V. 



seems to be set aside merely by the appellations of Tchilli and Ladu TchilU, 

 as o-iven to it in the Malay Islands ; Chilli, either simply, or in composition, 

 beino- the Mexican name for all the species and varieties of this genus.* 



All the species of Nicotiana appear to be American, except N. AuMrala- 

 siw (the N. undulata of Ventenat and Prod. Flor. Nov. Holl. but not of Flora 

 Peruviana,) which is certainly a native of New Holland. The exception 

 here, however, does not materially invalidate the reasoning, A'^. Australasia; 

 differing so much from the other species as to form a separate section of the 



genus. 



The same argument might perhaps be applied to other plants of doubtful 

 oriffin, as to Canna indica, which it would derive from America. 



It is certainly not meant, however, to employ this reasoning in every case, 

 and in opposition to all other evidence ; and instances may be found, even 

 among the alimentary plants, where it is very far from being satisfactory. 

 Thus the Cocoa Nut, though it will probably be considered as indigenous to 

 the shores and islands of equinoctial Asia, is yet the only species of its genus 

 tJiat does not belong exclusively to America. 



Cytisus Cqjan, may be supposed to have been introduced from India. 

 This plant, which is very generally cultivated in the vicinity of the Congo, I 

 conclude is the Voando, mentioned by Captain Tuckey as being ripe in 

 October ; and as Mr. Lockhart understood from the natives, that Cytisus 

 Cajan continues to bear for three yeai-s, it is probably Merolla's Owando, of 

 which he gives a similar account.-f- 



Whether Jrachis liypogasa be indigenous^or introduced, cannot now perhaps 

 be satisfactorily determined. This remarkable plant, whose singular structure 

 and economy were first correctly described by M. Poiteau,:j: and which was 

 e\ery where seen in abundance, as far as the river was examined, appears to 

 form an important article of cultivation along the whole of the west coast of 

 Africa, and probably also on the east coast, on several parts of which it was 

 found by Loureiro.§ 



According to the same author, it is also universally cultivated in China and 

 Cochinchina. 



* Hernandez, Rer. Medic. Nov. Hispan. Thesaur. p. 134, et Nieremb. Hist. Nat. p. 363. 

 T Piccardo Relaz. p. 120. ^ Mint, de rlnstil. Sc. Phj/s. Sav. Etrang. I, p. 455. 



^ Flor. Cochin. 430. 



