620 Rydberg: The American Species of 



Michigan: Long Lake, 1890, Beardsley & Kofold. 

 Minnesota: Chisago Lake, 1892, B. C. Taylor. 

 Wisconsin : Madison, S. H. Watson. 



1 



8. Limnorchis hyperborea (L.) Rydb. ; Britton, Man. Fl. N. St. 



294, in part. 1901 



Orchis hyperborea L. Mant. 1 2 1. 1 767 ; Habenaria hyperborea 

 R. Br. Hort. Kew. Ed. 2 : 5 : 193. 1813 ; Platanthera hyperborea 



Lindl. Gen. & Sp. Orchid. PI. 287. 1835. 



Low and slender, 1.5-4 dm. high : tubers 

 almost fleshy-fibrous, slightly thicker than the 

 roots : lower leaves oblanceolate, obtuse, 5-10 

 cm. long, 1-2 cm. .broad ; the upper lance- 

 olate, acute : spike rather dense ; bracts linear- 

 lanceolate, the lower slightly longer than 

 the flowers : flowers light green, 8-12 mm. 

 F]( . g long : upper sepal broadly ovate, obtuse, 



3-4 mm. long ; lateral ones lanceolate : petals 

 lanceolate, slightly shorter than the sepals ; lip lanceolate, obtuse, 

 nearly 5 mm. long ; spur filiform, strongly curved and a little ex- 

 ceeding the lip. (Fig. 8.) 



In habit L. viridiflora and this species are much alike and the 

 former would have been merged in the latter, if all the western speci- 

 mens (f. i.y L. viridiflora) seen, had not had more or less clavate spur, 



■ 



a character not seen in Icelandic, Greenlandic and eastern specimens. 



Type : " Islandia. Koni 



>> 



of. & Mrs. Sp 



Canada: Big Swamp, 1866, /. Mt 



j- 



Willoughby, 1892, H. H. 



: Kirkville. Onondaga coi 



ier- 



wood, 3155. 



§ Behkingianae: Low plants, i- 1.5 dm. high : spike short and 

 dense: flowers greenish-purple ; lip oblong- lanceolate ; spur full) 

 twice as long as the lip ; connective narrow. 



9. Limnorchis Behringiana sp. nov. 



Stem low, 1-1.5 dm. high, about 3 -leaved : tubers elongated 

 fusiform, about 5 mm. thick : lower leaf ovate-lanceolate, about 5 

 cm. long and 1.5-2 cm. wide ; the upper lanceolate and smallei . 

 spike dense, 3-4 cm. long ; bracts linear-lanceolate, the lower abou 



