B. Fertile part of the frond short-stalked not exceeding the sterile part. 
a. Lower pinna of the sterile part of the frond broad ovate or cordate 
B. boreale. 
b. Lower pinna of the sterile part of the frond lanceolate B. lanceolatum 
2. Sterile part of the frond stalked, attached below the middle of the stalk 
B. simplex. 
1. B. Lunaria (L.) Sw. 
Lge. Consp. Fl. Groenl. p. 190; Ledeb. Fl. Ross. IV, 
p. 504; FI. D.t. 18, fig. 2. 
Sterile part of the frond sessile or short stalked, 
in circumference oblong, round at the top, pin- 
nate with 7—15 fanshaped, entire or sometimes 
notched pinnie. Fertile part long-stalked, stalk 
about as long as the sterile part, bipinnate. 
Am.: West Greenl. 60°—69° 15’ (!). East Greenl. 
63°—70° (). Eur.: Samoyede Land. 
Geogr. area: Northern North America, Iceland, 
Fer6oes, Europe, Northern and Western Asia, Pata- 
gonia, Southeast Australia, Tasmania. 
2. B. boreale Milde in Nova Acta Acad. Caes. 
Léop. Carol., XXVI, PP. Il, p..672)t/ol fi7oSaae 
B. Lunaria PB divisum Lge. Consp. Fl. Groen. 
p. 190; B. Lunaria v. subincisa et vy. incisa Roseny. 
Till. p. 740; B. erassinervium Rupr. in Milde 1. ec. 
pi7633 8; D. Suppl st Ad3. 
Sterile part of the frond sessile, in cireum- 
ference broad ovate-cordate, subacute, pinnate, 
with 5—9 semi-acute lobed pinne. Lower pinn 
oblique cordate or broadly ovate, generally as 

broad as long. Fertile part short stalked, stalk 
not exceeding the sterile part, bipinnate. 
Am.: West Greenl. 60°—61° (!). East Greenl. 
61° 4" (1). 
Geogr. area: Unalashka, Norway, Finland, Rus- 
sian Lapland, Siberia. 

3. B. lanceolatum (Gmel.) Angstr. 
Milde 1]. c. p. 674 t. 51 f£.178—181; FI. D. t. 2922 
f. 2; Lge. Consp. Fl. Groenl. p. 190. 
Sterile part of the frond sessile, in circum- 
ference ovate-triangular, acute, pinnate, with 5—9 
lanceolate, lobed, acute pinnz. Fertile part very 

Fig. 1. Botrychium Lu- 2 5 
naria (L.) Sw; %/; nat. Short stalked, stalk not exceeding the sterile part, 
size. \Spee. from West 
Greenland). bipinnate. 
