248 



THE TKILLIUMS. 



The Flower is perfect, complete, regular and alternating. 

 The calyx is free from the ovary, consisting of 3 green sepals. 

 The corolla contains 3 colored petals. There are 6 stamens 



FIG. LXV. Trillium erythroc&rpum : o, diagram, representing the floral organs 

 apart, s, calyx, c, corolla, st, stamens, o, pistils ; 3, the flower of T. erectom with 

 perianth removed. 



evidently in 2 circles, with anthers longer than the filaments. 

 One ovary appears, superior, compounded of 3 carpels, there 

 being 3 distinct, sessile stigmas. The fruit, ripe in July and 

 August, is a red or purple berry, with 3 cells. There are 

 several seeds in each cell, having the 1-cotyledoned embryo 

 in copious albumen. 



The Name, Trillium, given to the genus, means triple, 

 all the parts of the plant being in threes. There are ten 

 species, all American. T. erytlirocdrpum (red-fruited), the 



