308 THE FLORAL WORLD AND GARDEN GUIDE, 



observed. Shade when the plants are in bloom ; and, lastly, on the 

 first sign of there being a single green-fly on the plants give the 

 house or pit a thorough smoking vpith good tobacco paper, but not 

 in too strong a dose at one time, for the foliage is tender and parti- 

 cularly susceptible to injury from it. On no account let the green- 

 fly or other pest get ahead, for they soon ruin the plants, and it is 

 an extremely difiicult matter to destroy them ; for they shelter them- 

 selves underneath the leaves, and the smoke has a great difficulty to 

 reach them. 



DOG'S-TOOTH VIOLETS. 



BT ANDREW MURRAY, ESQ., F. L.S. 

 Communicated to the Scientific Committee of the Eoyal Horticaltaral Society. 



HE Yellow Dog's-tooth Violet is, I think, the best ac- 

 quisition, from a horticultural point of view, that I saw 

 among the Utah mountains. It occurs in vast numbers, 

 covering acres with its bright and glowing yellow 

 flowers. One of its habitats is easily accessible from Salt 

 Lake City, being within two hours' walk of it. It travels perfectly 

 well in the bulb, and scores of bulbs that I have sent by post 

 wrapped up in oil-skin reached England safely for a postage of a few 

 pence. I sent all my living plants in this way through the post, 

 and with the single exception of an Iris, which I begin to think must 

 be an annual, all seemed to have arrived in safety. It has, moreover, 

 the great advantage of growing within a considerable range of alti- 

 tude. It is found on the very crests of the hills, covering consider- 

 able spaces, but the first time I met it was in a small glen called the 

 City Creek (pronounced crick), running up from Salt Lake City and 

 at no great elevation above it. It was a lovely morning in April, 

 tbe sun beating strong into the glen or canon, the tiger beetles had 

 just come out and were flying strong and vigorous, settling con- 

 stantly on the road which meandered up the glen parallel to tbe 

 stream that murmured by its side, and numerous butterflies flitting and 

 sailing about — the American variety of the Camberwell Beauty was 

 especially numerous and fine. I had gone about two miles up the 

 Creek to a point where some conglomerate rocks, with caves and 

 holes in their fiices said to have been a few years ago the abode of the 

 grizzly bear, began to contract the sides of the glen previously to 

 opening it up somewhat wider a little higher up. The sides of the 

 rough road and the sides of the stream itself were clothed with 

 willows, poplars, rose bushes, etc. ; and the undergrowth chiefly 

 consisted of the holly-leaved berberry, which grows everywhere up 

 such glens in profusion. It was not so beautiful, however, as I ex- 

 pected ; trodden down by man and beast it looked broken, damaged, 

 and imperfect, for the cattle of Brigliam Yoimg and his tenants wan- 

 der over all these hillsides. The Mahonia aquifolium, therefore, in 

 a wild pastoral country is rather a failure, though it would probably 



