124 



EECEEATIVE SCIENCE. 



the willow herb. Yet, pull tliem to pieces, 

 tliey are all many-petaled, polypetalous 

 (Fig. 31). Thus far they resemble the plants 

 of Handful No. I., and, for aught you see 



Fi". 23.. 



-Blossom of Dog-rose, 

 mens ; c, pistils, 



a, petals; b, sta- 



at present, might be grouped with them ; 

 but we must look further. Different as the 

 groups of Handful II. may seem from each 

 other, they have one common point of resem- 



Fio. 26.— Back View of Blossom of Trailing Dog-rose. 

 a, petals ; b, urn-shaped tube of calyx, forming the 

 seed-cup ; e, upper divisions of calyx ; d, peduncle. 



blance in which they differ from Handful I., 

 and that is in the mode in which their sta- 

 mens and petals e>,re eittached to the other 



parts of the flower. Call to mind that in 

 the many-petaled blossoms of Handful I, 

 the petals and the stamens were invariably 

 attached (Figs. 4 and 6) to the part called the 



Fig. 27. — Section of Blossom of Trailing Dog-rose, a, 

 petals ; b, calyx, adhering to or forming the ovary 

 or seed-vessel c ; d, stamens ; e, pistils. 



receptacle, which formed the support of the 

 pistil J you could detach the calyx, or, as in 



7— ,W 



Fig. 28.--Back View of Strawberry Blossom, a, 

 petals of corolla ; b, sepals of calyx; c, peduncle; 

 d, bract. 



the poppy and in some of the ranunculus 

 genus, it could detach itself, without inter- 

 fering with the other parts of the blossom. 



