212 



PHILOSOPHICAL NOTES ON 



Fig. 68. Embryo of Oavirandrafenestralii (Lindley's "Veg. Kiagd.," p. 210). 



Pig. 69. Begonia Amelia (Bruant). 



scale of the flower peduncle (c), emerging from its axilla (c?), 

 while in the axilla proper of the leaf petiole we have the usual 

 axillary bud (e). It is also a good illustration of a bud-scale or 

 bract becoming leaf-like, or a spathe, as in Calla, A7ithurium, and 

 others. 



With regard to the cotyledons of the fir-tree, Prof. Henslow 

 (p. 74, '' Bot. for Beginners ") says that each of the two cotyledons 

 is divided into several segments. 



Upon the supposition, however, that cotyledons are bud-scales, 

 those of the fir would naturally fall into their proper morphological 

 position as a repetitioji of the verticillate or almost verticillate 



