DIV. II 



AXGIOSPERMAE 



707 



tropous ovule ; endosperm present in the seed (Fig. 771). Succisa (Fig. 772) 

 has a four-lobed corolla ; bracts are present on the common receptacle. Scabiosa 



FIG. 767. Co/ea arabica ( nat. size). Single flower, fruit, seed enclosed in endocarp, and freed 

 from it (about nat. size). 



has the marginal flowers of the head larger and dorsiventral. Knautia has 

 tetramerous flowers ; no floral bracts. 



Order 8. Synandrae 



The common character of this eighth* and last order is found in 

 the fact that the stamens in one way or another are fused or united 

 together. The flowers may be actinomorphic or zygomorphic. 



Family 1. Cucurbitaceae. This family, in the frequently incomplete sympetaly 

 it exhibits, shows a relationship to the Choripetalae, although to groups which 

 have not been mentioned in this short survey. The Cucurbitaceae include 

 herbaceous, coarsely hairy, large-leaved plants. Flowers diclinous ; monoecious 

 or less commonly dioecious. Calyx and corolla adherent below. Anthers united 

 in pairs or all coherent ; cO-shaped. Ovary trilocular (Fig. 773). Fruit, a berry, 



