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von P. iilpiua, Bjvu der Wurzeln von /'. (i//)iiia, Bau des Blattes 



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On Tempekature and Vegetation in the Eoyal Botanic 

 Gakden, Edinburgh, during the month of March 1893. 

 By Robert Lindsay, Curator of the Garden. 



During the month of ]\Iarcli the thermometer was at or 

 below the freezing point on fifteen mornings. The total 

 amount of frost registered for the month was 64", as 

 against 156° for the corresponding month last year. The 

 lowest temperatures were indicated on the mornings of the 

 17th, 27°; ISth, 23^ 19th, 21°; 21st, 20°; 22nd, 26°. 

 The day temperatures were high, the lowest being 40°, on 

 the 1st, and the highest 60°, on the 25th. There was a 

 large amount of bright sunshine, and on the whole the 

 month was a most favourable one. 



A^'egetation generally has made good progress. The leaf- 

 buds of deciduous trees and shrubs are well forward, and 

 only require some genial showers of rain to enable them to 

 expand. The different varieties of flowering currant are 

 in full blossom ; Iihododenchvji Nohlcanum was flowering 

 most profusely till injured by frost on the 19th. Of the 



