PORTULACACEÆ
Claytonia Virginiana, Ait.
ONAGRACEÆ
Callilophis Nuttallii, Spach. in Ann. des sc. natur. 1835, Sept. p. 3. (Œnothera serrulata, Nutt. Hook exot. Fl. t. 140). In nostro specimine flores vix dimidium pollicem lati sunt.
Anogra pinnatifida, Spach. (Œnothera pinnatifida, Nutt. Oen. albicaulis, Pursh., nec Fraser.)
Pachylophis Nuttallii, Spach. (Œnothera scapigera et Œ. cæspitosa. Pursh. Suppl. Œnothera cæspitosa, Sims. Spreng.)
Œnothera pubescens, Willd. Probably a variety of Œno biennis—Gaura coccinea, Pursh. Gauridii est generis Spach. Fructus (immaturus) fere cylindricus, dense pubescens. Ovula 2-4, pendula, nuda.
Gaura coccinea β integrifolia. Torr. in Ann. Lyc. Novebor. II. p. 200, n. 145. Distincta species. Genus inter Gauridium Spach. et Gauram medium, illi proximum, sed differens stigmate discoideo 4-dentato. Ovula 4 in ovario uniloculari.
HALORAGEÆ
Ceratophyllum submersum, Pursh. An eadem ac species Europæa?