154 MYSTERIES OF THE FLOWERS 



Coral Root — Corallorrhiza 

 May-July-Sept. 



The coral roots, of which we possess three species, 

 are dull, inconspicuous and not prepossessing. The 

 fact that they are orchids lends them a certain in- 

 terest, and their mechanism is worth studying. But 

 since both their construction and their operation are 

 practically identical with the two just described, 

 the student needs no further suggestions to guide 

 his investigations. 



Lily-leaved Twayblades — Liparis lilifolia 

 June-July 



A quaint little orchid, rarely seen hereabouts, 

 though it is listed in the botanies as rather common 



LARGER TWAYBLADES 



in 'New England. I was so fortunate as to dis- 

 cover and to transplant close to my study door two 

 specimens which have lived and flowered six suc- 

 cessive seasons, but without ever once making seeds 

 or increasing in numbers. I have tried to cross- 

 fertilise them artificially, but without success. They 



