38 
4. HABENARIA Willd. 
A. Lip entire. 
af ieaftonly is basal? 29 2! pret. acs ste dente tetiote ROMP vices cho ratcohto, Palen H. obtusata. 
bY oleaves tseveralimeyiaen rears ores acho eric emce mena arolh H. hyperborea. 
B. Lip 2—3-toothed or lobed. 
ae Lipslinear-obloneiemerat cre (eates ne cite eae ened eee H. viridis. 
bi Lipyasvlonsvasybroada « . m syenelnes i en peeie, ccliswel omer ners H. albida. 
81. H. obtusata (Pursh.) Rich. 
Platanthera obtusata, Hook. Fl. bor. Am. II p. 196, tab. 199; Ledeb. 
Fl. Ross. IV p. 68; Rothr., Fl. of Alaska p. 456; Fl. D. Suppl. tab. 165. 
Stem with 1 obovate obtuse leaf at the base; roots of slender, 
fleshy fibres; spike few-flowered; perianth greenish-yellow; upper 
sepal broad, nearly triangular; the others and the petals except the 
lip, slightly incurved; lip entire about as long as the spur. 
Am.: Kotzebue Sound. 
Geogr. area: Northern North America, Northern Lappland, Nor- 
thern Siberia. 
82. H. hyperborea (L.) R. Br. 
Platanthera hyperborea # major, Lge. Consp. Fl. Groenl. p. 128 and 
p. 283; FL D. tab. 2970; Orchis Koenigii, Fl. D. tab. 333; Limnorchis 
major (Lge.) Rydb., Bull. Torrey Botan. Club, 1901, 28, p.617; L. media 
Rydb., l. c. p. 618; L. hyperborea (L.) Rydb., lc. p. 620; L. huronensis 
Nutt.) Rydb., lc. p. 619. 
Stem leafy; leaves lanceolate, erect; root-tubers long and slender; 
spike dense, many-flowered; perianth greenish; lateral sepals sprea- 
ding or recurved; lip entire, about as long as the incurved spur. 
Am.: West Greenl. 60°—69° 30’ (!), East Greenl. 60°—60° 35’ (1). 
Geogr. area: Northern North America, Iceland. 
83. H. viridis (L.) R. Br. 
Coeglossum viride, Kjellm., As. Beringss. p.555; Peristylus viridis, 
Ledeb. Fl. Ross. IV p. 72; Trautv. Syll. Pl. Sib. bor. orient. p. 535; Sa- 
tyrium viride L., Fl. D. tab. 77. 
Stem about 3-leaved; tubers 2—3-lobed; spike lax; leaves gra- 
dually reduced to lanceolate, acute bracts, a little longer than the 
ovaries or 2—8 times the length of them (H. bracteata (Willd.) R. Br.); 
perianth brownish-green; sepals and petals except the lip incurved; 
lip long, oblong-linear or slightly spatulate, 3-toothed at the tip; 
the middle tooth the smallest; spur very short and sac-like. 
Eur.: Cap Mikulkin. As.: Mouth of the Lena, Chukches Land (!). 
Geogr. area: Northern North America (H. bracteata), Iceland, Fer- 
6es, Most parts of Europe and Northern Asia. 
84. H. albida (L.) R. Br. 
Lge. Consp. Fl. Groenl. p. 118 and p. 282; Satyrium albidum FI. D. tab.115 
