220 PENTANDRIA, MONOGYNIA. hydrofhyllum, 



2. H. canadense L.: somewhat hairy; leaves angularly 

 gub-5-lobed, remotely serrate; peduncles shorter than the pe- 

 tioles. Willd Enu7n. h. Berol. I. p. 194. Spec, I. p. 816. 

 L a m. III. 1. c. J\l i c h. Fl. I. p. 133. Pursh Fl. I. p. 133. 

 Roem. hSchult.-YV. p. 113, 



Root perennial. Stem a foot and a half high, slightly hairy, 

 Leaves on very long petioles, cordate at the base, with about 

 5 angular lobes; upper surface sparsely hirsute. Flowers in 

 rather crowded fascicles, on slender peduncles, which are 

 shorter than the leaves. Segments of the calyx linear-subu- 

 late, a little hairy. Corolla white, variegated with purple. 

 Stamens, &c. as in the preceding species. 



Hab In woods and on mountains. Williamstown, Massachu- 

 setts. Dewey. Fairfield, New-York. Had ley. Penn- 

 sylvania. Muhlenberg. June. 



3. H. appendiculalum Mich.; very hairy; radical 

 leaves subpinnatifid ; cauline ones angularly lobed ; sinuses 

 of the calyx with minute oval appendages. M i c h. Fl I, p. 

 134. PurshFl.l.^.lM^ Roem. &L So hull. \y,T^. 

 114. 



Root biennial, (Muhl.) Stem about a foot high, almost his- 

 pid. Radical leaves subpin;)atifid and lobed, coarsely serrate 5 

 cauline ones somewhat 5-lubed, toothed, cordate at the base. 

 Flowers subpaniculate, on peduncles much shorter than the 

 leaves. Calyx nearly as long as the corolla, ciliate with long 

 hairs; appendages minute, reflected. Corolla blue, smaller 

 than in H. virginicum. 



Hab. On shady rocks, near springs. In the western parts of 

 Pennsylvania. R afi nes que. May. 



150. PHACELIA. Jussieu, 



Calyx 5-parted. Corolla subcampanulate, 5-cleft, 

 with 5 longitudinal margined melliferous grooves on 

 the inside. Stamens exserted. Style filifbnn ; stig- 

 mas 2. Capsule 2-celled, 2-valved, 4-seeded ; each 

 of the valves septiferous in the centre. Ju s s. p, 129, 

 Mich. FL\.^.12>A>. JVutt. Gen. I. p. 116. Mo em. 

 £3* Scliult, Gen. 678, Nat. Ord. Boragine^e 

 J II s s. 



1. V . hipinnalifida Mich.: stem erect; leaves pinna- 

 tifid ; segments incisely lobed ; racemes mostly bifid, oblong, 

 many-flowered; divisions of the corolla entire. Mich. Fl. 

 1. p. 134. t. 16. P Mrs A f'/. I. p. 140. M uhl. Cat. ^. \2. 

 Roem, ^ Schutt. IV. p. 189. 



Root perennial ? Plant hairy. Stem about a foot high, terete, 



