S6 



B. MSS,). Medium sized; about one-sixth longer than broad ; sub- 

 quadrangular: sides, with 3 to 4 undulations, converging slightly 

 towards the ends, which are slightly curved, and obscurely plicated; 

 constriction linear and moderately dcep; membr. sparingly and ob- 

 scurely punctate. Dim. 3o«25»9-ii y.. Cfr. Schmidle Alp. vVlg. 

 p. 17 (Oesterr. Bot. Zeitschr. 189 5), 



C. Grantii n. s. p, 35, T. I, f. io. (C. didy mopentachon- 

 drum R. et B. MSS.). Medium sized: nearly as broad as long; sides 

 and ends almost straight -with prominent undulations, which do not 

 extend beyond the edges, minute granules or crenulations taking 

 their place on the front of the frond ; five pairs of more prominent 

 granules at the base of each semi- celi ; constriction deep and nar- 

 row. Dim. 34-35 « 3o-3i « i3-i4 y.. 



C. granuìiisculuììi n. s. p. 35, T. Il, f. 8. Small sized; orbicular; 

 nearly as broad as long. ; basai angles rounded ; sides curving rapidly 

 towards the rounded ends; constriction very deep and narrow; sur- 

 face rather closely covered with minute pointed granules; semi-cells 

 in side view globose, in end view ovai. Dim. 35 «3i *8 a. 



Steht C. punctulatum Bréb. sehr nahe. : 



C. Gregoryi R. et B. (Gutw. « Flora Glonów Okolic Lwowa » 1891) 

 p. 35, T. I, f. II. Small sized; slightly longer than broad; constri- 

 ction narrow, linear, deep; sides rectangular at first, then with two 

 large rounded undulations; end truncate, half the breadth of the 

 base, indistincty 4 to ó undulate; sides with minute granules on 

 each undulation, from which rows of about 3 in each converge 

 towards the centre, which is usually very obscure, but bas 3 perpen- 

 dicular rows of 3 to 4 slightly larger granules in each, placed dose 

 together: two rows of granules dose to the end; end view ovai, no 

 centrai protuberance ; side view of semi-cell globular; isthmus about 

 one-third the diameter. Dim. 25-27,5 « 23-24,5 » 7-8 <j. 



C. hexalobiiìii Nordst. /3 viinor n. v. p. 3ó, T. l, f. 12. Ends less 

 produced, and the undulations not nearly so bold. Dim. 32-35 « 28- 

 3o » lo-i I [j. 



C. latum Bréb. v. minor n. v. p. 38, T, II, f. 11. (C. simililatum 

 R. et B. MSS). Smaller and more closely granulated. Dim. Ó0-67 « 

 48-55 » 20-22 a. 



C. margaritaiuìii (Lundell) R et B. Jap. Desm. i88ò p. 194 (:=: C. 

 latum ,6 margaritatum Lundell), p. 38, T. II, f. 12. Large; about 

 one-third longer than broad; sides very sligthly rounded, nearly 

 straight, gradually curving upwards into the broadly rounded endS; 



