nil-. swKKi' po'i vm. 25 



*Sa(hheck, Kulturgewiichse ikv tUiit-ilieii Koloiiien. 



Huyot, Journ. Soc. D'lloitic. de FraiK-e, socoikI ser., Vol. V, 450. 



,^aUiihunj, Prodi-.. 123, 170G. 



Scnliger, Exeicitat, 181, cap. 17, lib. 15. 



Sriiiniiburijk. British GiiyaiU', n. 7(H. lS4tt. 



SeenifiiDK Jonni. of But., p. 328, ISlid. 



Sloanc, Catal. Tlant. Jam., p. 53. 



Sloaiic. Hist., 1, p. 152(?). 

 *Sl<)<iii»\ Jaiiiaic-a Natural Hist., I. 150, lODG. 

 *^milh. Dirt, of Eeon. Plants, 399. 



kipr. Syst.( ?) I p., t>00. 



Stade, H. (Brazil) ('!}. 



Steinirt, Vuuy.xh Plants PL. PI.. 150. ISf,!). 



Stocls. Aci-ouut of Sind. 



Sweert. Florilo<,Miini( "r) . part 2. tal). 3r>. liiI2. 



Thevet. 

 *riiiinh€i(f, Flora Japonica. p. 84. 1784. 

 *Thurbrr, Am. Woods and Lseful PI., ISf.O. 

 *Tschirch & Oesterlo Anat. Atlas dor Pliarmak<)<;ii.. 220. 



Turpin, Mom. dor ]Mnsec, Vol. XIX, pi. 1. 2. 5(?). 



Tussac, Flora Antillanim, 4, t. I; 8T. 5G5, 1808-27. 



Vnger (Mexico) ( ?). 



Vega (do). P»oy. Com. Ilak. Soc. Ed., II, 359. 

 *yellozo, Flora Fhimencnsis, t. 57, t. 58, t. 59, t. 60, t. 61, Rio 

 de Jan., 1827. 

 Tilmorin, Les Plantes Pot.(?) 401. 1865. 



WalUch, Cat. 1356, 1828. 



Wallich, Flora Indica (Pvoxb.) II. 69, 1830. 

 ^Wait, Econ. Prod, of India. IpouKva batatas. 



Watt, in Sel. Gor't of India, 1888-89, 147-154. 



Wiesner, Mikrosc. Untersiich., p. 65, 1872. 

 *Wies«er, Eolistoffe under Batatas edulis. 



Willrs. U. S. Expl. Exped., IV, p. 282, 1838-42. 



Wilhl. in Linn. Spec, plant. I, p. 881, 853(?). 



D. Historical Summary. 

 A short summary stating when the sweet potato 

 was definitely reported from different parts of the 

 world will doubtless prove of value to future workers 



