186 EIGHTEENTH ANNUAL REPORT ON THE STATE CABINET. 



After ThJj Asvi ^RVENSE, p. 62, the species : 



CAKILE, Tournefort. Sea-rochet, 



AMERICANA, Nuttall. American Cakile. 



Sandy beaches. Frequent on the shore of Lake Ontario, from a few miles 

 north of Oswego, to Sodus point, "Wayne county, where it is in force, and 

 Braddock's bay, Monroe county. July - October. 



To Parnassia caroliniana, p. 64, the stations : 



Abounding in an extensive swamp among the hills of Warren, near Jordan- 

 ville, south Herkimer county: the only station that has been observed south 

 of the Mohawk valley. 



Before Medic ago lupulina, p. 72, the species : 



SAT IV A. L. Lucerne. Purple, Sown Medicago. 



Gravelly banks, borders of grass-lands. Deerfield creek, in meadows on the 

 flats and on sloping bases of the gulf-sides. t^carce. June, July. 



After Phaseolis perennis, p. 74, the species : 



DiVERSiFOLius, Persoon, Varied-leaved Phaseolus, 



Shore of Lake Ontario between Irondequoit bay and Charlotte mouth of 

 Genesee river, Monroe county, on a low sandy bar thrown up by the water, 

 at the shady base of a ridge-side and along the end of a marsh near its outlet. 

 A smalldwarfed state, only afoot and a half long, prostrate, having entire 

 dark green leaves, peduncles shortened, no longer than the petioles, borne in 

 the axils throughout the length of the stem, all bearing large deep-purple 

 flowers with keels curving to one side : a singular and very pretty form. 



Rare. August, September. 



To Apios tuberosa, the habitat : 



Common on the borders of marshes northeastward of Oswego, and abundant 

 westward near the Lake shore. 



To Cassia marilandica, p. 75, the station : 



Banks and hillsides west of Owasco lake, Cayuga county. 



After Potentilla norvegica, p. 77, the species : 



PARADOXA, Nuttall. Strange- fruited Potentilla. 



Decumbent at the base, pubescent ; leaves pinnate ; leaflets 7-9, obovate- 

 oblong, incised, the upper ones confluent ; stipules ovate, mostly entire ; 

 peduncles ( alar ) solitary, recurved in fruit ; calyx-segments all nearly- 

 equal, acute, about the length of the obovate petals ; receptacle villous ; 

 achenia striate, 2-lobed, the lower portion (the enlarged base or insertion 

 filled with starch) as large as the proper carpel : Nuttall, mss. in Torr. 

 Sf Gray Fl. 



Specimens of ordinary size have single erect stems cymosely branching ; 

 but the largest plants send out two to five in addition, which are prostrate 

 and spreading. Leaves all radical. Flowers small. Appendages to the 

 achenia quite conspicuous. 



Sand}'- shores. Beach of Lake Ontario at Braddock's bay, Monroe county; 

 abundant on the point between the bay and the lake. 



Rare. July - September. 



Before Lythrum salicaria, p. 80, the species : 



AMMANNIA, Houston. Ammannia. 



HUMiLis, Michaux. Low Ammannia, 



Bog-borders. Around sandy pools and banks of rivulets in the Pine barrens 

 between Albany and Schenectady, near the Central railroad and Centre sta- 

 tion, Rare. July, August. 



