216 



THE FLORA. 



inserted on the throat of the calyx. Stamens 5 or 10, included. Styles 

 2, very short. Capsule short, 2-beaked, 1-celled, 2-valved. H Small, 

 slender herbs, with roundish, lobed, and cordate leaves, mostly from the 

 root. Flowers small, in a slender raceme. N. 



1 M. diphyl'la. Scape 12-20' high, with 2 opposite leaves nearly sessile, and many 



white flowers above with curiously cleft petals. May, June. (See Fig. 477.) 

 i M. nn'da. Scape leafless, thread-like, 5-7 'high, few-flowered. May, Jvne, 



Bo ill species send out runners from the base. 



2. TIAREL'LA. False Mitrewort. Gem-fruit 



Calyx 5-parted, lobes obtuse- 

 Petals 5, entire, the claws in- 

 Berted on the calyx. Stamens 

 10, exserted. Styles 2. Cap- 

 sule 1-celled, 2-valved, 1 valve 

 much larger. U Fls. white. 

 N. M. 



T. cordifo'lia. Scape about 10' 

 high, sometimes bearing a leaf, 

 the flowers white in all their 

 parts, forming a cylindrical ra- 

 ceme. In rocky woods, with 

 the Mitrewort, very common at 

 the North. May, June. 



3. PHILADEL'PHUS. False 

 Syringa. 



Calyx 4-5-parted, tube ad- 

 herent to the ovary, persistent. 

 Corolla 4-6-petaled. Styles 4, 

 more or less united. Stamens 

 20^0, shorter than the petals. 

 Capsule 4-celled, 4-valved, 

 many-seeded. Handsome 

 flowering shrubs, with opposite 

 leaves. Petals convolute in 

 the tud. 



Fig. 4S2. "Radiant" panicle of Oak-leaved Hydra* 

 gea; the larger flowers neutral 



