€ompreffum 

 6. 



gvamineum 



7- 



pe^inatum 

 8. 



TETRANDRIA TETRAGYNIA. 123 



the P. /erratum, Lin. Sp. pi, is probably only a 

 variety of this fpecles. 



P. foliis linearibus obtufis, caule compreflb. Sp. pL 

 183. {Oed. Ban. t. 203. opt. Pet. herb. /. 5./. 10) 

 Flat-ftalked Pondweed. Jngiis. 

 In ditches and flagnant waters, but not common. 



The leaves are four or five times longer than the 

 Stipny. The fpike produces about fix fmall 

 flowers. 



POTOMOGETON foliis lineari-lanceolatis alter- 

 nis feffilibus ftipula latioribus. Sp. pi 184. [Oed. 

 Dan, t. 222. opt. Raj.fyn.p. 150. t. 4./. '^. fed 

 non bene qiioniam fine '^tipulis-, rfuadrat 7nelius ad 

 P. compreffum in rnultif. Loef. Pruff. p. 206. No. 

 66.) 



Grals-leav'd Pondweed. Anglis. 



In ditches and ponds not very common. %. VIII^-^ 



The ftalks of this are round and Gender, the leaves 

 felTile and pointed, and; about twice the length 

 of the ftipulse, which are much larger in this 

 than the preceding : the fpike has fifteen or 

 twenty fiowers. 



P. foliis letaceis pafalleKs approximatis diflichis^ 

 Sp. pi. 183. (G^r. Em. 828. /. 4. pet, herb. t. 5. 



/. 13O 

 Fennel-leav'd Pondweed. Anglis, 



In rivers and lakes. Dr. Parfons. n. VII. 



fiifilum 



