THE FLOEAL WORLD AND GAEDEN GUIDE. 291 



worth doing well, and in planting a choice species in greenhouse or 

 stove, we recommend some such plan as the following : — 



Prepare a brick pit one foot wide and two feet deep ; if adjoining 

 a tan-bed or the return pipes of the heating apparatus, all the better 

 in the case of species that require warmth at the roots. Fill this 

 pit with a mixture of four parts good loam, and one part each of 

 rotten hot-bed manure, and the rest leaf-mould, and in it place the 

 plant. If this mode cannot be conveniently adopted, prepare a box 

 in a similar manner, with holes in its sides for the roots to run out, 

 and plunge it in a tan-pit. In the autumn, shorten the stems of the 

 plant, and in January lift the roots carefully, cut them in moderately, 

 remove some of the exhausted soil, jtnd replant, adding fresh com- 

 post to make good what was taken away. By this mode of procedure 

 a fine plant may be obtained, and kept in health many years, without 

 occupying any great amount of space for its roots. Where there is 

 any length of wall to be clothed, a border should be formed for their 

 accommodation, and it will be the more serviceable if warmed by 

 means of pipes carried beneath it by means of a tunnel formed of 

 brick, tile, or slate. The beautiful Fassiflora alatci may be planted 

 in the common soil forming the floor of the stove, and will thrive 

 under bricks or tiles, provided it obtains sufficient water, but, as a 

 rule, other species worth growing require better conditions to insure 

 success. 



In the true passion-flowers the calyx has a five -parted limb ; in 

 the Tacsonias the calyx is ten-parted. S. H. 



DEAN'S PATENT PTJMIGATOR. 



N efficient distribution of tobacco smoke is one of the 

 necessities of horticultural practice, but it is no easy 

 matter for the cultivator to determine, amongst dozens 

 of inventions off'ered him, which amongst them is the 

 best. We have tried many, and have usually concluded 

 that the less said in their praise the better, for though they all 

 accomplish the end in view, one way or another, there is generally 

 some objection in the method of their operation — some deliver the 

 smoke too hot, others require more attention than can be reasonably 

 given, and others, again, are wasteful of the material used in fumi- 

 gating. Hitherto our favourite fumigator, and the one frequently 

 recommended in these pages, was G-idney's, which consists of a 

 cylinder and spirit-lamp, the tobacco being ignited by means of a 

 fiame beneath it. One of the evils incident to the use of this is, the 

 liability of the tobacco being overheated, and bursting into flame; 

 another is, that we must allow it to take its own time to burn out. 

 We have resolved to abandon all other fumigators for " Dean's 

 Patent," which we have tried fairly, and found satisfactory in every 

 particular. It Is represented in the rsdjoining cut. 



The mode of operating with this instrument is extremely simple. 

 A few pieces of red-hot cinder or charcoal are placed in the hopper, 



