Arethusa 



Orchidaceae 



345 



Map 711 

 Epipactis latifolia (Huds.) All. 



5o 



Map 712 



Spiranthes Beckii Lindl. 



it has been reported from Carroll and Starke Counties. It must now be 

 very rare or almost extinct in the state. 



Newf., Ont. to Minn., southw. to N. J., Pa., Ohio, Ind., and in the mts. 

 to S. C. 



1482. EPIPACTIS Swartz 



1. Epipactis latifolia (Huds.) All. (Serapias Helleborine L.) Broad- 

 leaf Epipactis. Map 711. Reported from La Porte County by Nieuw- 

 land & Just (Amer. Midland Nat. 12: 220. 1931). They write: "Inter- 

 laken, Laporte Co., spreading very rapidly in abundance on a dry clay 

 hillside facing the lake, VII. 18. 1930.) (Probably introduced.) " I have seen 

 their specimens and I am admitting it upon their statement that it is 

 spreading rapidly. Found in 1937 by Lyon in South Bend. 



Que., Ont., N. Y., and Pa. ; also in Eu. Probably all, or most all of our 

 reports are based upon escaped plants because it was formerly cultivated 

 for its supposed medicinal qualities. 



1490. SPIRANTHES Richard Ladies' Tresses 



Upper part of stem and lower part of the rachis of the spike glabrous; leaves basal and 

 usually absent at flowering time; stems slender, usually less than 1 mm in 

 diameter just below the inflorescence. 



Rachis of inflorescence not twisted; stems bearing a solitary subcylindrical root 



1. S. Beckii. 



Rachis of inflorescence twisted; stems bearing more than one subcylindrical root, 



usually 3 or more 2. S. gracilis. 



Upper part of stem and lower part of rachis of the spike more or less pubescent; leaves 

 not all basal and some present at flowering time except in no. 3 where they may be 

 absent; stems usually 1 mm or more in diameter just below the inflorescence. 

 Flowering from May through July; base of lip truncate, without callosities or with 



small, spreading ones 3. S. lucida. 



Flowering in Sept. and Oct.; base of lip cuneate and with two, incurved, nipplelike 

 callosities. 

 Flowers about 4, not more than 5, mm long; spikes slender, less than 15 mm wide; 



petals lanceolate, dilated at the base 4. S. ovalis. 



