190 GOLDFISH VARIETIES AND 
HETERANTHERA 
Heteranthera sosteracfolia is a very light green plant, slightly re- 
sembling Anacharis, but with longer, more widely separated leaves. It is 
a rapid grower, soon reaching the top, where it lays limp on the surface 
of the water. A good oxygenator, but has never become very popular on 
account of its rambling, untidy habits. Can occasionally be had of dealers. 
LACE PLANT 
This extraordinary plant, Ouciranda fenestralis, is a native of Mada- 
gascar. Its dark-green skeleton leaves appear very fragile, but in reality 
they are the toughest-leaved aquarium plant we know of. They are slow 
TDC CHE 
SSsoa G 
\ 
jn Lh) | f \\ \. Fie. 140. Mapacascar Lace PLANT 
WW (Life size, half-grown) 
of growth and prefer a subdued light. Propagation is by division at the 
root. This sometimes takes place in the aquarium, but they do best in 
wooden tanks. At best they are slow growers which in a way is an ad- 
vantage, for they eventually become rather large. The Lace- or Lattice- 
leaf plant is used purely for ornamental purposes, its qualities as an oxy- 
genator being negligible. 
