334 HYDROPHTLLACEJE. ("WATERLEAF FAMILY.) 



lobes imbricated in the bud, and often with reflexed appendages in the 



sinuses. Corolla obtusely o-lobed, convolute or imbricated in the bud. 

 Stamens 5, inserted into the base of the corolla, and alternate with its 

 lobes : anthers versatile. Ovary free, 1-celled, with 2 parietal placentae, 

 each" bearing 2 or more amphitropous ovules. Style slender, 2-eleft. 

 Capsule globose or oblong, loeulieidally 2-valved. Seeds reticulated. 

 Embryo small in the axis of hard albumen. 



Synopsis. 



* Lobes of the corolla convolute in the bud. 



1. IIYDROPIIYLLUM. Calyx without appendages. Stamens exserted. Stems erect. 



2. N KMOPIIILA. Calyx appendaged at the sinuses. Stamens included. Stems prostrate. 



* * Lobes of the corolla imbricated in the bud. 



3. PHACELIA. Calyx without appendages. Capsule 4 -many -seeded. 



1. HYDROPHYLLUM, L. Watekleaf. 



Calyx 5-parted, the lobes subulate ; without appendages. Corolla broadly 

 tubular, 5-cleft, about as long as the calyx, with 5 linear appendages on tbe 

 tube within, opposite the lobes. Stamens and style exserted : anthers linear. 

 Ovary hispid. Placental 2, thick and fleshy, connected with the pericarp at 

 the base and apex ; each 2-ovuled. Style filiform, 2-eleft. Capsule globose, 

 2-valved, 1-4-secded. — Erect perennial mostly hairy herbs, with long-pctioled 

 pinnately or palmately divided leaves, and white or blue flowers in peduncled 

 cymes, without bracts. 



1. H. Virginicum, L. Stem leafless below, sprinkled, like the leaves, 

 with rigid hairs ; leaves pinnately divided into 5-7 ovate cleft or toothed lobes, 

 paler beneath ; peduncles forking, longer than the petioles; cymes 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-lobes sparingly hispid ; filaments densely 

 bearded. — Mountains of North Carolina, Tennessee, and northward. June. — 

 Stem 1° high. Leaves 3'- 5' in diameter. Corolla white. 



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-ovulcd. Placenta large, 

 lining the wails of the pericarp. Style 2-partcd. Capsule globose, 1 - 2-seeded. 



— Tender prostrate annual herbs, with divided leaves, and solitary long pedun- 

 ded (lowers oppo-ite the leave>. 



l. N. microcalyx, Fisch. ft Meyer. Pnbescent, or at length smoothish ; 



Stem filiform, diffuse; leaves thin, long-pctioled, alternate, 3-lobed ; the lobes 



