198 BOTRYCHIUM 



MOONWORT: Botrychium Lunaria. 



The moonwort bears a single frond divided into a 

 sterile and fertile portion. The sterile frond con- 

 sists of 5—15 half-moon or fan-shaped lobes or 

 pinnae, more or less toothed. The veins radiate 

 from the base of each pinna and fork repeatedly. 

 The fertile portion usually rises above the sterile. 



A fleshy little plant, usually less than one foot 

 high, growing in old fields. It is a northern spe- 

 cies, rare within its southern limits, ranging from 

 Greenland and Alaska south to the New England 

 states. New York and westward ; rare. 



A similar form found in central New York has 

 been named B, Onondagense, 



NOTES. 



