128 DICOTYLEDONS 



the flower-stalk. Flower median-zygomorphic, hypogynous. 

 Sepals five, separate. Note the prolongation of the sepals 

 below their points of attachment. Petals five, separate, 

 irregular. The anterior petal is produced into' a long spur 



Fig. 158. — Pansy, i. Vertical section of flower : j=sepal ; ^=Iateral petal ; f^=spur 

 of anterior petal ; fl/=appendage of one of two anterior stamens. 2. Floral diagram. 

 3. Flower-bud, showing aestivation: f=descending process of sepal. 4. Fruit: //= 

 placenta. 5. Flower with calyx and corolla removed : /z^=appendages of two anterior 

 stamens; _/==filament; a = anther ; (r= continuation of connective ; j=swollen end of 

 style ; z'= shutter of stigma-cup. 6. Gyneecium : _OT'= ovary. 7. Seed with lump (c). 

 8. Vertical section of seed: fa=lump : 7K=micropyle ; ^ = testa ; tf = endosperm. 

 (r-6 based on Kny's figures of Pansy.) 



(fig. 1 58-1, sp) which conceals the two nectaries and acts as 

 a honey receptacle. The petals are arranged in the bud con- 

 dition in the manner known as descendrng-imhricaXe. Stamens 

 (fig. 158-5) five, hypogynous. Anthers (a) introrse, arranged 

 close together round the single gynsecium. The connectives 

 are continued above the anthers, and form little flaps (c). The 



