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Species A. compacto Schwaegr. af finis, sed foliis brevius acu- 

 minatis, obtusiusculis cellulisque incrassatis dignoscenda. 



At the same time Prof. Brotherus expressed the wish to let 

 the description be accompanied by a figure. According to my request 

 Mr. O. Rostrup has now drawn the two figures, showing partly the 

 upper end of a small plant, partly a piece of a leaf in which the thick 

 cell walls are seen to which the specific name alludes. 



