318 



THE FLORA. 



g Stem leafy, bearing a cluster. Flowers 6-parted Solomon's Seal. Smilaci'na. S 

 g Scape leafless, bearing an umbel. Berry 2-seeded. CUntonia. Clinto'nia. 6 



g Stem leafy, bearing a cluster. Flowers 4-parted. Tway-leaf. MAjAN'xHEMnM. 

 h Stems branching. Flowers small, axillary. Berry red. Aspar'aous. 



k Filaments flat, as long as the sagittate anthers. Twist-foot. Stkepto'pus. 



k Filaments filiform, much longer than the anthers. Frosartes. Pkosar'tes. 



k Filaments ahorter than the long, linear anthers. Bdlwort. Uvula'ria. 7 



1. ERYTHRO'NIUM. Dog-tooth Violet 



Perianth bell-form, se- 

 pals recurved, the 3 inner 

 ones usually with a callous 

 tooth each side near the 

 base, and a groove in the 

 middle. Pod a little 

 stalked. Seeds egg-shap- 

 ed.— Stem a bulb deep in 

 the ground. Scape bear- 

 ing a single flower, its 

 base sheathed by the base 

 of the two smooth leaves. 

 Jpr., May. 



Fig. 657. The Dog-tooth Vio- 

 let (E. Americanurn). 8. The 

 bulb. 9. Tlie flower spread open, 

 showing the 2 teeth in each petal, 

 also the position of all the parts. 

 660. The ovary, style, and stigma. 



1. A cross-section of the ovary. 



2. The plan of the flower: o, the 

 3 sepals in the outer circle; &, 

 the 3 petals next; c, the 6 sta- 

 mens ; and d, the 3-celled ovary. 



America'num. Yellow E. Flower yellow. Scape without a bract. Petals 



toothed. Leaves spotted, nearly equal. Common, 

 bractea'tum. Bvacted E. Flower greenish-yellow. Scape bearing a bract. 



Leaves very unequal. Mountains. Vt. 

 albi'dum. White E. Flower white. Scape without a bract. Petals not toothed. 



Kara in N. Y. and W. 



