﻿THE ORCHID REVIEW. 



Have we not already observed something of this jumping tendency 

 among Orchids ? We must evidently be prepared for anything now. We 

 also learn that an important deduction has been made from the discovery, 

 namely, that " the struggle for existence lies not between the individuals,, 

 but between species." I begin to wonder whether we have not several 

 different kinds of " species" about. 



Argus. 



THRIPS. 



During the past spell of hot, dry weather and east and north-east winds, 

 we have been troubled a great deal with thrips, winch are most difficult to 

 dislodge when they get a footing among small seedlings — much more 

 difficult than one would believe. The damage which they do to very small 

 seedlings is incalculable. The plants become crippled and cankered when 

 it is so particularly essential to get quick and strong growth, for a strong 

 beginning means so much in the saving of time — that bugbear of the 

 Orchid Hybridist. Wherever thrips appear, it is safest to fumigate at 

 once, and to repeat the fumigation once or twice at intervals of one or two 

 days, so that any eggs which the first fumigation failed to destroy may be 

 caught before they in turn have time to multiply, which they do very 

 rapidly in hot-houses, if neglected. The plants should be fairly dry before 

 fumigating takes place, so that the fumes may follow those thrips which; 

 drop on and into the surface of the compost. 



As "X L All" is a rather expensive commodity, one cannot help a 

 tendency to use it as sparingly as possible, but as the health and well-being 

 of the plants is the first consideration, it is false economy to spare it as long 

 as a thrip is alive. 



J. M. Black. 



DENDROBIUM REGIUM. 



About two years ago a fine new Indian Dendrobium was described by Dr. 

 Prain, Director of the Royal Botanic Garden, Calcutta, under the name 

 of D. regium, of which particulars have already been given in these pages 

 (vol. x., p. 293). Shortly afterwards a living plant was sent to Kew, which, 

 has now produced a two-flowered raceme, showing the species to be both 

 distinct and very handsome. As originally pointed out, it is allied to D. 

 nobile, which it closely resembles in habit ; indeed, the most obvious 

 difference as the two grow side by side is in the veining of the leaf sheaths, 

 which in the novelty are more like those of D. crepidatum. The inflores- 

 cence also and shape of the flowers indicate the same affinity, but there is. 



