MONTEVIDEO TRIAL STATION. 305 



MONTEVIDEO TRIAL STATION. 



I.YCURGUR R. MOYER, SUPT. 



The winter of 1901-2 was exceptionally mild, and yet it proved 

 to be a hard season for all sorts of trees and shrubs. A hot, dry 

 summer — the hottest for years — had been succeeded by a moist, 

 growing autumn. Shrubs and trees that had lost their leaves in 

 August began to grow again in October, and went into winter with 

 the new foliage still clinging to them. When spring came there 

 was much dead wood in the shrubbery. 



The Eastern nine bark (Opulaster opulifolius) suffered severe- 

 ly, and on flat, level lands was entirely killed. It seems likely that 

 the prairie nine bark (Opulaster' intermedins) ought to be intro- 

 duced into cultivation to take its place. Primus Maackii suffered 

 to some extent, and even the very hardy Russian almond (Prunus 

 nana) was injured somewhat and gave less bloom than 

 usual. The Russian Mulberry (Morus alba Tartarica) was 

 killed back rather more than usual and is producing only 

 a very moderate crop of fruit. The Manchurian maple 

 (Acer ginnala), growing in a crowded border, was some- 

 what injured but is producing a full crop of its showy 

 fruit. Clumps of choke cherry (Prunus Virginiana) were wholly 

 killed. The last European larch (Larix decidua) gave up the fight, 

 and the balsam fir (Abies balsamea), which had long played a losing 

 game, turned yellow and died. The white spruce (Picea Canaden- 

 sis) showed some injury, more so than did the slower growing 

 blue spruce (Picea pungens). Douglas spruce (Pseudotsuga Doug- 

 lasii) is holding its own well and seems to be about as hardy as the 

 blue spruce. 



A spiraea received from the Iowa Agricultural College under the 

 name of Spiraea hypericifolia, and from St. Anthony Park under 

 the name Spiraea oblongifolia appears to be Spiraea Pikowiensis. 

 The flowers are greenish white, but it blooms very early and is very 

 hardy. 



The mountain ash spiraea (Sorbaria sorbifolia) is a beautiful, 

 vigorous shrub, blooming at about the end of June. Spiraea An- 

 thony Waterer is holding its own very well, and is in bloom at the 

 present writing (July 15). Its corymbs of deep pink flowers are 

 very showy! 



We have discarded all the Russian poplars as being unworthy 

 of cultivation, with the exception of Populus balsamifera inter- 

 media. This seems to be a hardy, slow growing tree and possesses 

 some merit for ornamental planting. Populus nigra is still doing 

 verv well and is of somewhat slower growth than the cotton wood. 



