6 



Aquarium Plants and Other 



Miscellaneous Considerations 



A PLANT suitable for use in aquaria must be 

 small and in most cases tolerant of reduced light. Nu- 

 merous plants are used by hobbiests since they are 

 especially interested in the aesthetic e£Fect produced 

 by variety. The author has selected the more widely 

 available plants and representatives of different 

 growth habit. The four plants mentioned are available 

 from most "tropicaF fish dealers. 



Water sprite (Ceratopteris thalictrodides) is one of 

 the most versatile aquarium plants available. It will 

 grow equally well in a substratum and totally sub- 

 merged or without substratum and floating at the sur- 

 face. It reproduces rapidly by asexual means and 

 grows rapidly. 



The vallisnerias (Vallisneria americana and spiralis) 

 are grass-like plants that require a substratum of sand 

 or gravel. Their asexual reproduction is rapid if suf- 



