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EXPLANATION OF PLATES. 



PLATE II. 



Radiila commiitata Jack. 



P'æroese J plant CVi)- 



PLATE III. 



Philonotis Ryani Philib. 



(Færoese specimen). 



Fig. 1. Fruiting fem. plant (nat. size). 



— 2. Male plant (nat. size). 



— 3. Fruit (Vi). 



— 4. Upper part of the male 



plant, with inflor. (Vi)- 



— 5—8. Perigonial bracts C^/i). 



— 9—10. Leaves (^Vi)- 9 x, texture 



from the base; 9 }', texture 

 a little above the middle (^^VO- 



— U. Perichaetial leaf (^Vi)- 



— 12. Tooth of the exostome (^Vi)- 



— 13. Part of the endostome (^Vi)- 



PLATE IV. 

 Pohlia fæ roensis sp. n. 



Fig. 1. Male plant (nat. size). 



— 2. Top of the male plant, with 



inflor. (Vi). 



— 3 — 4. Perigonial bracts, one of 



them with two antheridia 

 and some paraphyses (^/i). 



— 5—6. Leaves (VO- 



— 7. Texture from the apex of 



leaf, above the nerve (^Vi). 



— 8. Texture from the middle of 



leaf (^Vi). 



— 9. Texture from the margin of 



leaf, above the middle (^Vi). 



— 10. Texture from the base of 



leaf («Vi). 



— 11. Transverse section of the 



stem, z, central strand; x, the 

 decurrent nerve, with the 

 conducting group y (^Vi)- 



— 12. Part of transverse section of 



the stem and the decurrent 

 nerve (^^Vi); y, conducting 

 group; z, central strand. 



— 13. Transverse section of the 



leaf-nerve (^^Vi). 



PLATE V and VI. 



Dicraniim Anderssonii (Wich.) 

 Schimp. — V (original specimen). 

 Fig. 1. Capsule among perichaetial- 

 leaves C/i). 



— 2. Capsule with seta (^/i). 



— 3. Part of the capsule with rest 



of exostome-tooth, somewhat 

 sketchy (i^'Vi); x, part of the 

 tooth, showing the striae on 

 the outside (^^Vi)- 



— 4. Spores (^^Vi)- 



— 5. Texture from the middle of 



outside of the capsule (^^Vi). 



— 6. Vaginula with a perichaetial- 



leaf (^Vi). 



— 7—8. Perichaetial-Ieaves (^^/i). 



— 9—10. Leaves (}^/i). y, basal 



cells (^''/i); z, cells from the 

 broad upper part (^^°/i). 



— 11—16. Leaves (^Vi). 12 z, an- 



gular cells (^^'Vi); 13 y, basal 



cells (^Vi); 13 x, cells from 



the middle of llie broad 

 part (22o/i). 



VI (Færoese specimen). 

 Fig. 1. Fertile plant (^Vi). 



— 2. Calyptra (^Vi)- 



— 3. Fruit with vaginula and male 



flower (^Vi). 



— 4-6. Lids (^Vi). 



— 7. Part of peristome and an- 



nulus (i^Vi). 



— 8. Part ofaperistomc-tooth (out- 



side), showing the striae (^^^/i). 



— 9. Cells of annulus (^^Vi). 



— 10. Spores {^'Vi). 



— 11. Texture from the middle of 



outside of the capsule (^*^"/i). 



— 12. Perigonial-bract (^Vi). 



— 13 a. 14. Perichaetial-Ieaves (^Vi)- 



— 15—18. Leaves (^Vi). 18 x, an- 



gular- and basal-cells C^/i); 

 18 y, cells from the broad 

 upper part (^^VO; 15 z, an- 

 gular-cells (^^Vi); 15 6, cells 

 from the upper part (^^"/i). 



