PLANTS SUITABLE FOR VIVARIA. 35 
London Pride or None So Pretty), S. granulata, S. hypnoides- 
(Ladies Cushion), S. crass¢{folia, and others. Nor, for a similar 
purpose, should the charming little Stonecrops be overlooked, 
of which may be suggested: the Common Roseroot (Sedum 
rhodiola), the Tuberous Stonecrop (S. telephium), the Evergreen 
Stonecrop (S. anacampseros), the Bitter Stonecrop or Wall- 
Pepper (S. acre), the White Stonecrop (S. album), and the like. 
Certain of the Ivies grow exceedingly well in Vivaria, particularly 
the common sort (Hedera hebiz). 
The Spiderworts (T7'radescantia) are favourite plants for Rep- 
tilian cases.. They seem to grow without difficulty almost any- 
where. Their flowers though not large are pretty, and their 
foliage is both various and beautiful. A tiny piece of the plant 
\ SO) ==, VS 
wees . 
3f 
Fic. 23.—AN ORDINARY SLATE AQUARIUM CONVERTED INTO A VIVARIUM 
FOR BATRACHIANS. 
A, Slate; B, Glass Sides; c, Iron Rods for holding Case together; D, A Bed of 
Gravel, sloping from 4in. deep at one end to jin. at the other; E, Water about 
3in. deep. 
broken off and placed in the ground will quickly take root and 
flourish. There are several different kinds, of which these under- 
mentioned may be enumerated: Z'radescantia congesta, T. subas- 
pera, T. virginica, of which there are many varieties (this perhaps 
is the most common of the Spiderworts), and 7. zebrina. 
For those Vivaria in which Tree and other slender Snakes are 
kept, Orange and Lemon trees, Fuchsias, Geraniums, Myritles, 
D 2 
