772 JOURNAL OF THE ROYAL HORTICULTURAL SOCIETY. 



In the second, W. J. V. Osterhout speaks of "the living plant" (19 

 figs.), starting with a description of the seed and germination, and so on to 

 the mature root, stem, and leaf, showing by means of simple experiments 

 what the work of each is and how they do it. 



Both articles contain some useful suggestions for all teachers of nature- 

 knowledge. — F. J. C. 



Nature Study in Public Schools. By S. A. Hoover (U.S.A. St. 

 Bd. Agr. Missouri, pp. 241-248). — The writer of this article advocates the 

 teaching of nature-knowledge as the basis of progress, pointing out its 

 mental, moral, and physical values. He suggests that the teaching should 

 be along economic lines. — F. J. C. 



Nectria moschata. By H. Gliick (Engl. Bot. Jahrb. vol. xxxi. 

 1902, pp. 495-515; 2 plates; 2/9/1902).- Gives an account of the 

 occurrence and life-history of this fungus, which forms gelatinous masses 

 in water pipes and on damp wood. The formation of perithecia and the 

 development of the spores are described. — A. B. B. 



New Land, Clearing". By Franklin Williams, Jim. (U.S.A. Dep. 

 Agr. Farmers' Bull. 150; 7 figures; 1902). — A treatise by a practical 

 master of the art of clearing forest land for cultivation in America. 



Directions are given for removing trees and stumps in the cheapest 

 and most effective way, and the one best adapted to the varying character 

 of their root growth, whether they possess a tap-root system, a lateral or 

 an indeterminate root system. Cutting, burning, pasturing, grubbing, 

 drawing by machinery or horse-power, blasting and rendering susceptible 

 in various ways to the destroying effects of wind and weather are the 

 methods recommended by the writer for use either singly or successively, 

 and he ends with a list of the most suitable crops to be grown on freshly 

 cleared ground. — M. L. H. 



Nicotiana colossea variegata. By E. Vincent (Rev. Hort. p. 356 ; 

 Aug. 1, 1902). — One woodcut showing preparation for taking cuttings by 

 making first an incision from below and beneath the bud, passing one- 

 third through the branch. A few days after a second incision is made at 

 the same place, extending the first to two-thirds, but taking care to leave 

 a good third intact to maintain vitality. After another delay the incision 

 is completed, and the buds inserted in a hotbed in a compost of peat, 

 silver sand, and charcoal, equal parts. The idea of successive incisions is 

 to induce callosity over most of the cut surface prior to entire severance. 



C. T. D. 



Nymphsea g-uineensis. By H. Baum (Die dart. p. 565; 

 80/8/1902; with illustration).— Described as the smallest flowering 

 Water-Lily. The leaves are dark green above, glabrous, pale green 

 beneath, tinged with rose. The flowers are white and faintly sweet- 

 scented. It grows in stagncnt water near Hinnesera, on the Longa. 



G. B. 



Nitrate of Soda and Market-garden Crops. By E. B. Voorhees 

 ( U.S A . Exp. Stn. Neiv Jersey, Bull. 157 ; 12/5/1902).— Experiments were 



