RIVER GARDENS; 
the following will he found suitable to the Aqua¬ 
rium, taking care to select those of small growth for 
tanks of ordinary size, while all kinds may he grown 
with success if sufficient space he allowed, especially 
in Aquaria on a large scale established in conserva¬ 
tories, which are now becoming very general:— 
Alisma plantago .The Greater Water Plantain. 
Alisma natans .The Floating Water Plantain. 
Stratiotes aloides . . 
Iris pseudacorus . . 
Nydrocharis morsus rani 
Sagittaria sagittifolia . 
Polygonum amphibia 
Hottonia palustris 
Ranunculus aquatilis 
Veronica Beccabunga 
Nasturtium officinalis 
Rutomus umbellatus 
Teucrium scordium 
Microphyllum spicata 
Tubularia aquatica 
Hippuris vulgaris . 
Callitriche verna . 
Ceratophyllum demersum 
The Lemna tribe . . 
The Pondweeds. 
Aponogiton distachyum 
Potamogeton pectinatus (and other 
species). 
Anacharis alsinastrum. 
Lastly, the most important and useful of all, 
Valisneria spiralis. 
TheWaterSoldier,orWater Aloe. 
The Yellow Water Iris (Plate 
YIII., m. 4). 
The Progbit. 
The Arrowhead. 
The Amphibious Persecaria. 
The Peatherfoil, or Water Yiolet. 
The Water Crowfoot. 
Common Brooklime. 
Common Watercress. 
The Flowering Rush. 
Water Germander. 
Water Milfoil. 
The Aquatic Owlwort. 
The Common Marestail. 
The Water Starwort. 
The Hornwort. 
Duckweeds. 
The Cape Aponogiton. 
24 
