_PENTANDRIA. MONOGYNIA. 117 
erooves on the inside. Stamina exserted, Style 
filiform, stigmata 2, Capsule 2-celled, 2-valved, 
4-seeded, each of the valves septiferous in the 
centre, Pa 
Pubescent, leaves alternate, pinnatifid; flowers in unila- 
_  teral spikes or racemes, simple or bifid, axillary and termi- 
_ nal. In P. dipinnatifida the filaments of the stamina are 
bearded in the middle, as in Hydrophyllum. 
Specises. 1. P. bipinnatifida. 2. heterophylla. 3. fimbri- 
ata.. Common in alluvial soils, throughour the western 
as of Pennsylvania and Ohio. 4. parviflora, Pursh. Pro- 
bly an Ellisia. 
_. A genus confined to sae America. The P.fimbriate 
vis probably an Elisia. 
178. HYDROPHYLLUM. L. (Water-leaf.) 
Calix 5-parted. Corolla campanulate, 5-cleft, 
with 5 longitudinal margined melliferous grooves 
on the inside. Stamina exserted, filaments beard- 
edinthe middle. Stigma bifid. Capsule globose, - 
_1-celled, 2-valvedy 1- ened s 3 ager seeds most- 
dy abortive. 
- Leaves palmate, or pinnatifia; flowers corymbose, co- 
rymbs recurved, peduneulate, terminal, or opposite the 
leaves. The genus Phaceliais too nearly allied to Hydro- 
phyllum to admit of se paration; in an early state there is 
even no difference in their fruit. 
*. Speciges. 1 H. appendiculatum. 2. virginicum. 3. ca- — 
nadense. 4? lineare, Pursh. Probably-not of this genus — 
With the exception of H. magelanicum, this genus is con-' 
fined to North — 
179. ELLISIA. L. 3 
-. Calix deeply 5-parted. Corolla smaller, fun- 
nel-form, 5 cleft, internally naked. Stamina not 
exserted; filaments smooth; anthers roundish. 
Stigma bifid. Capsule 2-celled, 2-valved, seated 
in the stellate or spreading calix, cells 2- seeded; 
seeds one upon the other? punctate. oe 
& Mesbaceous, diffuse;and dichotomous; leaves pinnatifid: = ae 
solitary” uncle or raceme, for the: most boss pposite 
