PENTANDRIA. MONOGYNIA. 117 



grooves on the inside. Stamina exserted. Style 

 filifot in, stigmata 2. Capsule 2-cell('d, 2-valved, 

 4 heeded, each of the valves septiierous in the 

 centre. 



Pubescent, leaves alternate, plnnatifid; flowers in unila- 

 teral spikes or racemes, simple or bifid, axillary and teimi- 

 nal. In P. bipinnutifida ihe filaments oi" the sumina are 

 beard' (I m the mKld!e,asin Hydrophyllum. 



fePECiES. \. P. hipinnatifida. 2- heteiophylla. o-fimbn- 

 ata. ( oiTimon in aiiusiul sols, througuou. the >\es>.ern 

 pause' Pennsylvania and 0,510. 4./jany//to?'a, Pursh. Pro- 

 bably an FAlisia. 



A gtnus confined io North America. The P.fmbriat* 

 is probably an Ellisia. 



178. HYDROPHYLLUM. L. (Water-leaf.) 

 Calix 5 partcri, Coroi/a '^ampanulate, 5-rJeft, 



with 5lon.i;itii(linal niiUgirrc dtiieiliferosis j^rooves 

 on the inside. Stamina exs; i'ted,filamfnts beard- 

 ed in th( «ni idle. Stii^ma bilid. Capsule p;lobose, 

 1-coHcd, 2-valve(i, l-seeded, 3 other seeds most- 

 ly ahortive. 



Leaves paln;ate, or pinnatlfid; flowers corymbose, c«- 

 rymbs recurvtrd, pedtincHlai^-, terminrtl, or <:pposite the 

 leaves. The gr-ni'.s Phacelia s too nearly alUcd to Hydro- 

 phyUiim to admit ot separario?i; in an early state there is 

 even ni>d;fft r^-r.re in their truii. 



Species. 1 H. appendicdahnn. 2. virginicum. 3. ca- 

 nadense. ^? line are, I'UiSh. Probably not of this genus — 

 Witli the exception of H. magellanicum, this genus is con- 

 fined to North America. 



179. ELLISIA. L, 



, Calix deeply 5- parted. Corolla smaller, ftm- 

 nel-form, 5 cleft, internally naked. Stam'uianot 

 exserted; filaments smooth; anthers roundish. 

 Stigma liifid. Capsule 2-eeIled, 2-valved, seated 

 in the stellate or spreadin.^ calix, cells 2-secded5 

 seeds one upon the other? punctate. 



Herbaceous, diffuse, and dichotomous; leaves pinnatifid; 

 solitary peduncle or raceme, for the most part opposite 

 the leaf. 



