MONANDEIA. MONOGYNIA. Salicomia. 3 



3. S. fruticulosa assurgens inordinate ramosa. ATich. Jt. amligua. 

 amer. 1. p. 2, 

 In sedgy salt-meadows ; New Jersey to Carolina, cj . Tj . 

 July, Aug. v.v. Resembles S. /n//ico^a very much 3 

 taller than either No. l. or 2 j pale green. 



4. HIPPURIS. Gen. pi. 15. Mare's-tail. 



1. H. foliis plerumque senis linearibus. Mich.Jl. amer. 1. vulgaris, 

 p. I. 

 In ditches and small ponds : Canada to Pensylvania, 

 rare. IL . v. s. s.Ji. Upright, simple} may be a 

 new species. 



II. DIG YNIA. 



5. PODOSTEMUM. Mich.Jl. amer. 2. p. l64. 



1. Podostemum. Mich. I. c. p. 165. ceratophyl- 



Icon. Mich. I. c. t. 44. lum. 



Closely attached to loose stones in shallow water of 

 the rivers Ohio, Holston, Kenhaway, &c. 11 . July. 



V. V. 



I take the liberty to place this plant in Monandria, as it 

 will be more easily found by a young Botanist under 

 this head, than under Monoecia Diandria. 



6. CALLITRICHE. Gen.pl. 17. Water-starwort. 



1. C. foliis superioribus spathulato-obovatis, inferior ibus li- heteropht/lla. 



nearibus obtusis emarginatisque. 

 C. verna tp'illd. sp. pl.l.p 28 ? 

 Icon. Fl. dan. 129 ? 

 In springs and rivulets, very common. ©. May — 



July. V. V. Flowers white, axillary 5 upper leaves 



floating. 



2. C. foliis omnibus linearibus apice bifidis. linearis. 

 C. autumnalis. Willd. sp. pi. 1. p. 29 ? 



In similar situations, not so common. Q. May, 

 June. v.v. More slender than No. 1 . Upper leaves 

 somewhat spathulate- linear. 



3. C. foliis omnibus linearibus truncatis brevibus approxi- Irevifolia. 



matis. 



B 2 



