Dicotyledones. 95 



long, lanceolate or linear. Flowers in corymbose-cymes. Calyx teeth awl-shaped. 

 Corolla pink, purple, or white with obovate lobes and somewhat pubescent tubes. 

 In dry soil. 



4. Phlox divaiicata, L. (L., divaricatus, spread out or apart.) WILD BLUE 

 Phlox. Stems decumbent at the base, spreading, viscid-pubescent, 9 to 18 inches 

 high. Leaves lanceolate to ovate-lanceolate, about i^ inches long, Flowers in 

 loosely-flowered cymules, blue or lilac, slightly fragrant. Calyx teeth awl-shaped. 

 Lobes of the corolla obcordate, emarginate, or entire, slightly longer than the tube. 

 In damp woods. 



5. Phlox subulata, L. (L.,ja^a/a, an awl.) Ground or Moss Pink. Stems 

 diffuse, matted, branches 2 to 6 inches long. Leaves mostly linear-awl-shaped or 

 linear-lanceolate, from \ to nearly i inch long, ciliate, often fascicled at the nodes 

 and widely spreading. Calyx teeth somewhat awl-shaped. Corolla pink, purple, 

 or white, its lobes shorter than the tube. On rocky or sandy hills or banks. 



HYDROPHYLLACEiE. Waterleaf Family. 



Herbs, with leaves mostly alternate. Corolla gamopetalous, 5-lobed 

 or parted, salver-form to campanulate or rotate. Calyx 5-cleft or 

 divided. Stamens 5, inserted on the tube of the corolla or at its base, 

 alternate with its lobes. Ovary superior, i -celled with 2 parietal pla- 

 centae, or 2-celled by the ingrowth and coalescence of the placentas. 

 Styles 2, sometimes partly united. Fruit, a 2-valved, 4-many-seeded 

 capsule. Flowers in cymes, racemes, or spikes, sometimes solitary. 



I. HYDROPHYLLUM. Waterleaf. 



(Gr., hydor, water; phyllon, leaf, application not evident.) 



Perennial or biennial herbs. Leaves lobed or pinnately divided 

 or parted. Flowers white, blue, or purple, in cymes. Calyx deeply 

 5-parted, the divisions lanceolate or awl-shaped. Corolla campanulate, 

 5-cleft, with a linear, grooved appendage extending down the tube 

 opposite each lobe. Stamens 5, exserted. Filaments bearded. Ovary 

 I -celled, the fleshy placentas nearly filling the cavity, each bearing 2 

 ovules. Capsule 1-4-seeded. 



1. Hydrophyllum Virginicum, L. Virginia Waterleaf. Perennial from 

 scaly rootstock. Nearly or quite glabrous. Stem slender, ascending or erect, i to 

 3 feet long. Leaves with 5-7 ovate-lanceolate or oblong, pointed, pinnate divisions, 

 the divisions cut-toothed. Peduncles longer than the petioles of the upper leaves. 

 Cnlyx lobes narrowly linear, ciliate, the sinuses not appendaged. Flowers about 1} 

 inch long, purplish or white. In woods. 



2. Hydrophyllum Canadense, L. Broad-leaved Waterleaf. Perennial 

 from a scaly rootstock. Stems slender, nearly or quite glabrous, i to 2\ feet high. 



