1817.] NEW GENERA OF PLANTS. 115 



are almost exactly equal in length. Stamma four, fertile, 

 alternating with the petals, a little shorter than the germs; 

 anthers very small, roundish; four minute infertile fila- 

 ments opposite the petals. Styles none. Stigmata four, 

 like so many minute points. Capsules four, oblong, com- 

 pressed, sonaewiaat divergent at the points, six to eight 

 see^led, opening internally and longitudinal I}^, remaining 

 connected ai the base, so as to resemble a single capsule 

 of four valves. Setds oblong. cylindric, brownish, at- 

 tached in two rows to the margins of each capsule. 



Habitat, — ^On the miry and gravelly banks of the 

 t)elaware, subject to the overflowings of the tide, in New- 

 jersey and Pennsylvania, near Kensington, in the suburbs 

 of Philadelphia. Found also more recently near Newhaven, 

 in Connecticut, by Dr. Ives. Time of flowering from 

 July to September. 



DIDYNAMIA.-- -Angiospermia. 



Na tural Order. P r i m u l a c e ^. 

 Genus LIMOSELLA. 



L. tenuifolia, foliis linearibus, vix apice dilatatis, 

 scapis foliis aequalibus, brevioribus. Wolf. Hofl'man's 

 Flora Germanica, vol. ii. p. 29. 



In locis humidis. (Minutissima, vix uncialis plan- 

 tula, folia angustissima. Calyx 5-fidus. Stamina 4.) ^ 

 Flor. Aug. — Hoffman. 



L. aquatica, varietas tenwfolia, Persoon's Synop- 

 sis, ii. p. 167. 



Descriptmn. — Root surculose. Leaves radical, succu- 



