IX EXTRA-TROPICAL COUNTRIES. 207 



Nephelium Longanum, Cambessedes. 



India and Southern China. The Longan fruit is obtained from this 

 tree ; it is smaller than than of the Litchi tree and less palatable. 



Neurachne Mitchelliana, Nees. 



The Mulga Grass. In the desert interior of East and South-east 

 Australia. With its companion, $~. Munroi (F. v. M.), eligible as a 

 perennial fodder grass for naturalization in sandy or dry sterile land. 

 It endures any extent of drought, but requires heavy rain to start 

 anew (K. S. Moore). According to Mr. Bailey it produces good 

 pasture feed. 



Nicotiana glauca, Graham. 



Argentia and Uruguay. This quick growing arborescent species 

 can be raised on mere sand on the coast, as one of the best of plants 

 to establish shelter and stay the shifting of the sand-waves. 



Nicotiana multivalvis, Lindley. 



The native tobacco of the Columbia River. An annual. This with 

 the following species can be utilized for certain kinds of tobacco. 



Nicotiana Persica, Lindley. 



The Shiraz Tobacco. Persia. Annual. This can be brought to 

 perfection only in cool mountain regions. The mode of culture is 

 somewhat different from that of the ordinary tobacco. Moderate 

 irrigation is favourable. The plants when ripe are cut off and stuck 

 into the ground again until they become yellow. They are then 

 heaped together for a few days in the drying-house. They are then 

 packed into thin strata and placed into bags for pressure and daily 

 turning. 



Nicotiana quadrivalvis, Pursh. 



The native tobacco of the Missouri. An annual. 



Nicotiana repanda, Willdenow. 



Cuba, Mexico, Texas. Annual. It is utilized for some of the 

 Havannah tobaccoes. 



Nicotiana rustica, Linne. 



Tropical America. Annual. Some sorts of Eastern Indian tobacco, 

 of Manilla tobacco, and of Turkey tobacco are derived from this 

 particular species. 



Nicotiana Tabacum, Linne.* 



The ordinary Tobacco Plant of Central America. Annual. The 

 tobacco plant delights in rich forest soil, particularly where lime- 

 stone prevails, on accout of the potassium compounds which abound 

 in soils of woodlands and also because in the clearings of forests 



