THE MONOPETALOUS ORDERS. 



437 



to the tube of the calyx, becoming a berry or a drupe-like fruit. 

 Shrubs, with scattered leaves, often evergreen. Ex. Vaccinium 

 (Whortleberry), Oxycoccus (the Cranberry). 



820. Sllbord, Ericineae (the proper Heath Family). Ovary free 

 from the calyx. Fruit capsular, sometimes baccate or drupaceous. 

 Testa conformed to the nucleus of the seed. Mostly shrubs. 

 Leaves various, often evergreen. Petals rarely almost or entirely 

 distinct. Ex. Erica (Heath), Kalmia, Rhododendron, Gaulthe- 

 ria, Andromeda, &c. 



796 



821. Sllbord, PyroleSB (the Pyrola Family}. Ovary free from the 

 calyx. Petals distinct or nearly so. Fruit a capsule. Seeds with 



FIG. 794. Gaultheria procumbens (Wintergreen, &c.). 795. The enlarging calyx in the im- 

 mature fruit. 796. Vertical section of the pulpy or berry -like calyx and the included capsule 

 (the seeds removed from the placenta in one cell). 797. Horizontal section of the same, show- 

 ing the five-celled capsule, with a placenta proceeding from the inner angle of each cell. 798. 

 Section of a seed, magnified. 799. Flower of a Vaccinium (Whortleberry). 800. Vertical sec- 

 tion of the ovary and adherent calyx. 801. Anther of Vaccinium Vitis-Idcea; each cell pro- 

 longed into a tube, and opening by a terminal pore. 802. Anther of Vaccinium Myrtillus ; the 

 connectivum furnished with two appendages. 803. Stamen of an Andromeda (Cassiope), show- 

 ing the appendages of the connectivum. 804. Stamen of Arctostaphylos Uva-Ursi, showing the 

 separate anther-cells, opening by a terminal pore, the appendages of the connectivum, and the 

 filament, which is swollen at the base. 



37* 



