?ss 



Sci. Advice, India, for 1916-17; Bull. Imp. Inst., 1918, p. 577; 

 and see also " Report on the Investigation of Savannali Grasses 

 as Material for Production of Paper-Pulp," by W. Raitt, Indian 

 Forest Record, v. part 3, 1913). 



A tall perennial grass, with culms up to more than 12 ft. 

 high, coated with wax below the nodes (Fl. Trop. Afr., I.e.); 

 white plume -hke flowering panicle on river-banks and wet places. 



Nigeria (Dalziel, I.e.); common 



Borgu 



It appears to 



be more or less of a pest in cultivated lands in India. Watt 

 recommends for eradication " to plough up the land and smother 

 the roots with a vigorous rainy-season crop " ; and it is also 

 said that after a certain number of years this grass will wear 

 itself out and disappear. The yield of green grass per acre of 

 S. spontaneum from a virgin crop has been found to be 21,221 lb., 



hs later, a crop of 11,736 lb. was obtained, the 



nme 



difference in yield 



mne 



the growing period (Ann. Rep. Bd. Sci. Advice, 1. 



Ref. — " Saccharum sponfaiieum ," in Diet. Econ. Prod. India, 

 Watt, vi. part IIa, 1893, pp. 11-12, and in Comm. Prod. India, 

 p. 930.— -"The Origin of the Sugar Cane," Barber, in the 

 Inter. Sugar Journ., xxii. 1920, pp. 249-251, with special reference 

 to Saccharum sioontaneum. 



Sorghum, Pers. 

 Sorghum AnkoUb, 8Uipf; Fl. Trop. Afr. IX. p. 135. 



Vernac. name. — AnkoHb (Nileland, Stapfj. 

 Abyssinia, Eritrea, ItaHan Somaliland. 



Grown for its sweet canes, which are chewed; cultivated in 

 Abyssinia (Schweinfurth, Herb. Kew). 



Sorghum anmdinaceum, Stapf; Fl. Trop. Afr. IX. p. 114. 



Vernac. names.— Taiski, Istanhe, Oawosge (Sierra Leone, 

 Thomas) ; Mosonde (Portuguese E. Africa— Sechuana, KirJc). 

 Nupe, Cameroons, Niger River region, and widely distri- 



Africa 



extending 

 . Africa, a: 



Kew) 



in times of famine (Kirk 



Annual, with culms up to 12 ft. high; a fine ornamental 

 ss, e-7 ft. high, Aburi, Gold Coast (Johnson, Herb. Kew). 



Sorghum bicolor, Moench, Method. PI. Horti. Bot., p. 207; 

 . Obovatum, Stapf, Fl. Trop. Air., IX. p. 127. 

 Angola, and occasionally cultivated in the Mediterranean ; in 



:aha. West Indies and Brazil. There is no record 



J - — ^ 



from Nigeria; 



known 



