620 Rydberg : The American Species of 



Michigan: Long Lake, 1890, Bcardsley & Kofoid. 

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

 Wisconsin : Madison, S. H. Watso)i. 



8. Limnorchis hyperborea (L.) Rydb. ; Britton, xMan. II. X. St. 



294, in part. 1901 



Orchis hyperborea L. Mant. 121. 1 767 ; Habenaria hyperborea 

 R. Br. Hort. Kew. Ed. 2:5: 193. 1813 ; Plataiitlicra Jiypcrborca 

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



Low and slender, 1.5—4 <^^^- l^ig^^ • 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. 

 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 curv^ed 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 (/. e., L. viridiflora) seen, had not had more or less clavate spur, 

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

 Type: " Islandia, K'dnigy 



Iceland: Gardas, 1888, Prof. & Airs. Sprague Smith. 

 Canada : Big Swamp, 1 866, /. Macoun. 

 New Brunswick : Kennebeccosis, 1871,/. Fow/er. 

 Vermont: Willoughby, 1892, //. H. Riisby. 

 New York : Kirkville, Onondaga county, 1891, L. M. Cnder- 

 ivood, 3155. 



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

 dense: flowers greenish-purple ; lip oblong-lanceolate ; spur fulh' 

 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 smaller: 

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



