296 



THE FLORA. 



g Stem leafy, bearing a cluster. Flowers 6-parted. Solomon'' s Seal. Smilaci'na. 5 

 g Scape leafless, bearing an umbel. Berry 2-Reecled. Clintonia. Clinto'nia. 6 



g Stem leafy, bearing a cluster. Flowers 4-parted. Tway-leaf. Majan^themcm. 

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



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



k Filaments filiform, much longer than the anthers. Prosartes. Prosar'tes. 



k Filaments shorter than the long, linear anthers. BdlwoH. Uvula^ria. 7 



1. ERYTHRO'NIUM. Dog-tootOi 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. 

 Apr.^ May. 



Fig. 657. The Dog-tooth Vio- 

 let {E. Americanum). 8. The 

 bulb. 9. The flower spread open, 

 showing the 2 teeth in each petal, 

 also the position of all the parts. 

 6C0. The ovary, style, and stigma. 



1. A. cross-section of the ovary. 



2. The plan of the flower : a, the 

 8 sepals in the outer circle; &, 

 the 3 petals next; c, the 6 sta- 

 mens ; and d, the 3-celIed ovary. 



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



toothed. Leaves spotted, nearly equal. Common. 

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



Leaves very unequal. Mountains. Vt. 

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



Rare in N. Y. and "W. 



