248 ANNALS OF SCOTTISH NATURAL HISTORY 



H. orcadense, E. and IV. Linton, in. 



H. rubiginosum, F. J. H. 



H. duplicatum, Alinq., 88. 



H. oesium, Fr. (in "Top. Bot." go, 92, 108, in), 72, 88, 89, 92, 



94, 9 6 > 97> I0 4, I0 5- 



var. pallidum, Da hist. (72, 105)? 



H. insulare, F. J. H., 88. 



i>ar. petrocharis, E. and IV. Linton, 88. 

 H. caesiomurorum, Lindeb., 88, 89, 92, 96, 98, 108. 

 H. orarium, Lindeb., 89, 108, 109, 110. 



var. erythraeum, E. and IV. Linton, 108. 



var. fulvum, F. J. H., 108, 109, m. 

 H. duriceps, F. J. H., 72, 87, 88, 98, 104, 105, 107, 108, 112. 



var. cravoniense, F. J. H., 108. 

 (H. gravestellum, Da/ilst.) 



var. rhomboides, Stenstr., 88, 90, 92, 98, 108. 

 (" H. sylvaticum, Z.," aggr., in " Top. Bot." for all except 72, 74, 



84, 93, 105, 111.} 

 H. dissimile, Lindeb., 108. 



var. polisenum, Dahlst., 92, 96, 109. 

 H. vulgatum, Fr. (in "Top. Bot." 78, 83, 85-90, 92, 96, 103-105), 



72-74, 76, 87-89, 93-95. 97> 9 8 > I02 > I0 5> 108-110. 

 H. stenophyes, E. and W. Linton, 72, 88?, 97, 99?, 108. 

 H. subanfractum, E. S. Marshall, 88, 97, 98. 

 H. angustatum, Lindeb., 72, SS, 90, 92, 108. 

 H. subramosum, Lonnr., 85. 

 (H. diaphanum, Fr.) 



var. stenolepis, Lindeb. , 89. 

 H. diaphanoides, Lindeb., ?J2. 



var. apiculatum, E. and W. Linton, 90. 



H. sciaphilum, Uechtr., " embraces a large portion of the specimens 

 labelled ' H. vulgatum, Fr.' in our herbaria," F. J. Hanb. 



GROUP RIGIDA. 



H. gothicum, Backh., aggr. (in "Top. Bot," from 80?, 85, 87, 90, 

 92). 



segr. (72, 77), 88-90, 96, 104, 109. 

 var. latifolium, Backh., 88, 90, 104. 

 var. basifolium, Lindeb., 88, 90. 

 H. sparsifolium, Lindeb., (72, 73), 88, 97, 98, 104, 105, 107, 



1 10. 

 H. rigidum, Hartm., 93. 



var. Friesii, Hartm., 109. 



var. tridentatum (Fr.), (in "Top. Bot." 87), 72, 88. 



var. longiciliatum, 92. 



