336 TRANSACTIONS OF THE 



sucli as are ornamental; among these, Syringa Vulgaris, Perrica, 

 Jozikei, Caragana arborescens, Piniis carulea, Thuja occidental!, 

 Pinus strovus, iEsculus, Hipiwcastanum, Morus alba, Nigra, 

 Ampelopsis quineque folia, Pyrus ovalis, and many others which 

 now ornament our gardens. Eut, although we have done some- 

 thing, it is not time to repose. What remains to be done is infi- 

 nitely more than this. We give a list of plants and trees which 

 bore, at Moscow, the winters of 1855 and 1856, they being very 

 unfavorable to the experiment, for, in November, when we had 

 hardly any snow at all, and the temperature down to 24° Reaumur, 

 and then a few days afterwards up to spring temperature, which 

 change destroyed a great many of our plants (in the open air), 

 and rendered very worthy of notice such as resisted it. All the 

 seeds and slips were raised in the garden of the Imperial Agro- 

 nomic Society of Moscow. That garden is surrounded by shelter, 

 which is an unfavorable circumstance for the education of hardy 

 plants; it cuts off the winds, so that when those plants go out into 

 the open air, they suffer proportionably. The summer of 1855 

 was very favorable, so that my nursery was in a perfectly good 

 condition in the fall, viz, my Ailanthusglandulosa, Acerpegundo, 

 Robinia pseudo acacia, Robinia viscosa, put forth remarkable 

 shoots and great quantities of leaves. Many of these perished, 

 however. 



[Revuo Horticole, Journal d'Horticulturo Pratique, Paris, September, 1857.] 



THE VIOLET OF ROUEN. 



A zealous botanist, Mr. Viginein, points out this violet as a 

 beautiful plant for garden borders. It is indigenous in France; 

 it is a small, close bush; it is perennial; it bears beautiful violets 

 in abundance, from May to October. Has been cultivated only 

 since 1789. It belongs to the Pensees (Pansies). It is a lovely 

 border plant, growing to the height of about fourteen inches (from 

 twenty to twenty-five centimetres). This violet of Rouen is much 

 sought for by the Parisian gardeners. It is rarely seen except at 

 Mantes, Liancourt and Meaux, in the environs of the city. But 

 its true locality is at St. Adrien,near Rouen, on the sandy shores 

 Df the river Seine. 



