334 HYDROPHYLLACEX. (WATERLEAF FAMILY.) 
lobes imbrieated in the bud, and often with reflexed appendages in the 
sinuses. Corolla obtusely 5-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 placente, 
each bearing 2 or more amphitropous ovules. Style slender, 2-cleft. 
Capsule globose or oblong, loculicidally 2-valved. Seeds reticulated. 
Embryo small in the axis of hard albumen. 
Synopsis. 
* Lobes of the corolla convolute in the bud. 
1. HYDROPHYLLUM. Calyx without appendages. Stamens exserted. Stems erect. 
2. NEMOPHILA. Calyx appendaged at the sinuses. Stamens included. Stems prostrate. 
; * * Lobes of the corolla imbricated in the bud. 
8. PHACELIA. Calyx without appendages. Capsule 4 - many-seeded. 
l1 HYDROPHYLLUM, L. Warrnrrar. 
Calyx 5-parted, the lobes subulate; without appendages. Corolla broadly 
tubular, 5-cleft, about as long as the calyx, with 5 linear appendages on the 
tube within, opposite the lobes. Stamens and style exserted : anthers linear. 
Ovary hispid. Placente 2, thick and fleshy, connected with the pericarp a 
the base and apex ; each 2-ovuled. Style filiform, 2-cleft. Capsule globose, 
2-valved, 1 - 4-seeded. — Erect perennial mostly hairy herbs, with long-petioled 
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; caly*- 
lobes linear, hispid ; filaments slightly hairy. — Low woods along the mountains, 
Georgia, and northward. June. — Stem 19-20 high. se 
. 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 densey 
bearded. — Mountains of North Carolina, Tennessee, and northward. June. 
Stem 1? high. Leaves 3'— 5! in diameter. Corolla white. Spit 
2. NEMOPHILA, Nutt. 
.. Calyx 5-parted, with reflexed appendages in the sinuses. Corolla tubular fe 
, Short bell-shaped, with 10 scale-like appendages at the base of the filaments. 
Stamens included: anthers ovoid. Ovary hispid, 2 - 12-ovuled. Placenta large, 
lining the walls of the pericarp. Style 2-parted. Capsule globose, 1- %seedei 
— Tender prostrate annual herbs, with divided leaves, and solitary long sere = 
cled flowers opposite the leaves. | ees 
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