CLASSIFICATION OF DICOTYLEDONS. 



201 



nant water, represent the family Callitrichacece, and the box 

 (Buxus) is the type of the Buxacece. 



The last and highest group of the Choripetalce, the Calyci- 

 florce, embraces a very large assemblage of familiar plants, 

 divided into eight orders and thirty-two families. With few 



FIG. 110. Types of Calyciflorse (Umbelliflorse). A, inflorescence of wild 

 parsnip, Pastinaca ( Umbelliferss) , x y 2 . J5, single flower of the same, x 3. 

 C, a leaf, showing the sheathing hase, x 14. D, a fruit, x 2. E, cross-section 

 of D. F, part of the inflorescence of spikenard, Aralia (Araliacese), x 1. 

 G, a single flower of the same, x 3. H, the fruit, x 2. /, cross-section of the 

 H. J, inflorescence of dogwood, Cornus (Corness). The cluster of flowers 

 is surrounded hyfour white bracts (6), x y 3 . K, a single flower of the same, 

 x 2. L, diagram of the flower. M, young fruit of another species (Cornus 

 stolonifera) (red osier), x 2. N, cross-section of M. 



exceptions, the floral axis grows up around the ovary, carrying 

 the outer floral leaves above it, and the ovary appears at the 

 bottom of a cup around whose edge the other parts of the 

 flower are arranged. Sometimes, as in the fuchsia, the ovary 

 is grown to the base of the cup or tube, and thus looks as if it 

 were outside the flower. Such an ovary is said to be " inferior" 



