252 



ME. W. T. T. DYER ON THE GENUS HOODIA. 



2. Hoodia Gordoni, Sweet, Hort. Brit. 2nd ed. 359. 



Corolla diametro 4-pollicari demum explanata intus glabra, coronse 

 exterioris segmentis oblongis obscure bifidis. — Dene, in DC. Prodr. 

 viii. 665; Dyer in Bot. Mag. t. 6228. — Stapelia Gordoni, Mass. Stap. 

 Nov. 24, t. 40; Don, Gen. Syst. iv. 116. — Monothylaceum Gordoni, 

 Don, I. c. — Scytanthus Gordoni, Hook. Icon. t. 625. 



Hab. Orange River, lat. 29° S. f Gordon, Burke, Barkly* 



3. Hoodia Barklyi, sp. nov. Corolla diametro 2-pollicari cyathi- 

 forrai margine recurvo intus glabra, coronse exterioris segmentis pro- 

 funde bifidis. 



Hab. Karoo, ?lat. 32°-33° S., McGibbon. Omnibus in partibus dimidio 

 minor quam H. Gordoni ; caules ramosiores, aculeis brunneis tenui- 



oribus semipollicaribus. 



Henry 



the Governor of the Cape, for an admirable drawing, with a 

 manuscript description and dried flowers, of this very distinct 

 species. It was received by Mr. McGibbon from the Karoo ; " but 

 where or when seems uncertain ; it did not, however, come from 

 Namaqualand." It flowered in the Cape-town Botanic Gardens 

 in 1874. Although complimentary names are perhaps best avoided, 

 I have felt that the example of Masson and Sir W. Hooker could 

 hardly but be followed in this case, and have therefore dedicated 



m 



the species to Sir H. Barkly, to whom we are indebted for the 

 means of describing it. 



f 





EXPLANATION OF PLATE V. 



Gordoni 



Magnified. 



gynostemium 



inner 



septum connecting the internal and external whorls of the corona ; 

 ii. stigmatic gland ; iii. empty anthers) ; c, gynostemium from young 



bud (the two coronal whorls are only partially developed). All 

 magnified. 



gynostemiu 



Decabelone 

 coronal \ 



Magnified 



Magnified. 





