FERN GROWING 



103 



a germ of keratoides or of muricatuin ; further experiments 

 will show which, for this rosette-like character has been 

 before obtained when spores from these two varieties have 

 been used. 



,*^ 



.X^M^ 



Fig. 38. — CEiione. Half size. 



EXPERIMENT NO. XIX. 



In 1889 three varieties of Aspleniuin Ceterach were sown 

 together, viz., nniltifido-cristatum, crenatum, and the normal 

 mireiun of the Canary Isles. Amongst the seedlings are 

 Kalon (Fig. 40), Selini (Fig. 39), Gwen, and S^iltana. 



Kalon has some of the characters of auj-euni and crcnat^tm 

 combined, and the frond is 8 inches long and i^ inch 



