HYDROPHYLLACE.E. (WATERLEAF FAMILY.) 355 



dense ; calyx lobes linear, hispid ; filaments slightly hairy. Low woods 

 along the mountains, Georgia, and northward. June. Stem l-2 high. 



2. H. Canadense, L. Smoothish ; leaves orbicular-cordate, palmately 

 5 - 7-lobed, sharply toothed ; cymes dense, on forking peduncles which are 

 shorter than the petioles; calyx lobe* sparingly hispid; filaments densely 

 bearded. Mountains of Georgia, and northward. June. Stem 1 high. 

 Leaves 3'- 5' in diameter. Corolla white. 



3. H. macrophyllum, Nutt. Hirsute; stem stout (l-2high); 

 leaves long (6'-10'), piuuatifid, with distinct oval toothed lobes, the upper 

 lobes confluent ; peduncle shorter than the petiole ; cyme compact ; calyx 

 lobes lanceolate-subulate ; corolla white. Kich woods, Northern Alabama 

 and Mississippi, and northward. 



4. H. appendiculatum, Michx. Hirsute, erect, branching (1 high), 

 lowest leaves pinuately divided, with toothed lobes, the others palmately 5- 

 lohed; peduncles longer than the leaves, the cyme loosely flowered; calyx 

 with short reflexed appendages between the subulate lobes ; corolla blue. 

 Damp woods, mountains of North Carolina and Tennessee. May. 



2. NEMOPHILA, Nutt. 



Calyx 5-parted, with reflexed appendages in the sinuses. Corolla tubular 

 or short bell-shaped, with 10 scale-like appendages at the base of the filaments. 

 Stamens included: anthers ovoid. Ovary hispid, 2-12-ovuled. Placentas 

 large, lining the walls of the pericarp. Style 2-parted. Capsule globose, 1 - 

 2-seeded. Tender prostrate annual herbs, with divided leaves, and solitary 

 long-peduncled flowers opposite the leaves. 



1. N. microcalyx, Fisch. & Meyer. Pubescent, or at length smoothish ; 

 stem filiform, diffuse ; leaves thin, loug-petioled, 3-lobed ; the lowest mostly 

 opposite, and 3-5-lobed; flowers minute, white ; ovary 4-ovuled ; capsule 1 

 2 seeded. Shady woods, Florida, Georgia, aiid westward. April -June. 

 Stem 3'- 1 long. Leaves \' - 1'long. Corolla 1" long. Seeds bony. 



3. PHACELIA, Jnss. 



Calyx 5-parted, not appeudaged in the sinuses. Corolla bell-shaped, 5-lobed, 

 imbricated in the bud. Stamens included or exserted : anthers ovoid or ob- 

 long. Ovary 2 - many-ovuled ; the 2 narrow placentae often projecting inwards, 

 and forming an imperfect partition in fruit. Style 2-cleft. Capsule 2-valved, 

 4 - many-seeded. Low chiefly annual herbs, with alternate mostly piuuately 

 divided leaves, and white or blue flowers in one-sided racemes. 



1. PHACELIA. Ovules and seeds 4: corolla variously appendaged within, 



the lobes entire. 



1. P. bipinnatifida, Michx. Hairy ; stem erect, much branched ; leaves 

 long-petioled, 3 - 5-lobed, with the lobes oblong-ovate, acutely toothed ; the 

 lower ones short-stalked, the upper confluent ; racemes loosely many-flowered, 

 glandular ; pedicels slender, recurved in fruit ; calyx lobes linear, hispid ; sta- 

 mens bearded below, longer than the corolla. Shaded banks in the upper 

 districts. May- June. Stem 6'- 12' high. Corolla blue, \' wide. 



