22 



SUMMER 



the ladies'-tresses, two species ; the rattlesnake-plan- 

 tain ; arethusa, or Indian pink ; calopogon, or grass 



pink ; pogonia, or 

 snake-mouth (ophi- 

 oglossoides and ver- 

 ticillata) ; the ragged 

 f ringed-orchis; and 

 the showy or spring 

 orchis. Arethusa and 

 the showy orchis 

 really belong to the 

 spring but the others 

 will be task enough 

 for you, and one that 

 will give point and 

 purpose to your wan- 

 afield this 



derings 

 summer. 



VII 



There are a certain 

 number of moths and 

 butterflies that you 

 should see and know 

 also. If one could 

 come to know, say, 

 one h undred and fifty 

 flowers and the moths 

 and butterflies that visit them (for the flower and its 



ORCHIDS 



1. Arelhusa bulbosa 



2. Pogonia ophioglossoides 



3. Pink Lady's-Slipper 



4. Yellow Lady's-Slipper 



5. Showy Orchis 



