ONAGRACEAE. 231 



SoQ.)- Lancaster— Yor)s. Furnace (U. C. S.). Berks— {Y.). Northamp- 

 ton— (F.). Dauphi7i—(P.). 

 New Jersey — Common. 



3. LYTHRUM L. Loosestrife. 



Flowers axillary, solitary; stamens not more numerous than the petals. 



Leaves obtuse; stamens all included; annual. 1. L. Hyssopifolia. 



Leaves acute; stamens of short-styled flowers exserted; perennial. 



2. L. alatum. 

 Flowers in panicled spikes, terminal ; stamens twice as many as the petals. 



3. L. Salicaria, 



1. Lythrum Hyssopifolia L. M. p. 649. Borders of salt marshes. 



Summer. 

 Bucks — Plumstead (Fr.). 



2. Lythrum alatum Pursh. M. p. 650. Low grounds. Summer. 



Delaware— Haj Island (B. Sm.), Tinicum (VP.). 

 GZoMcesfer— Williamstown (He.). Mercer— Pennington (C). 



3. Lythrum Salicaria L. M. p. 650. Wet meadows. Summer. 



Philadelphia — Cobb's Creek and Haverford Road (Mac). Bucks- 

 Narrowsville (Ja.). 



Cftesfer— Near West Chester (Fu.). Northampton— {P.). 



Camdeji— Camden (He.), Kaighn's Point (Te.) (Wn.). Gloucester— 

 Swedesboro (Li.). Atlantic— ^gg Harbor (Sts.). ff«??ferdon— Tumble 

 Station and Bull Island (C). 



New Casfie — River shore, Canhy. ' 



4. PARSONSIA P. Br. 

 1. Parsonsia petiolata (L.) Rusby. Clammy Cuphea. M. p. 650. Dry 

 soil. Summer and fall. 



Family 2. MELASTOMACEAE R. Br. Meadow-beauty Family, 

 1. RHEXTA L. Meadow-beauty. 



Stem cylindric, very pubescent. 1. J?. Mariana. 



Stem square or angled. 



Stem more or less pubescent ; leaves ovate. 2. R. Virginica. 



Stem glabrous. 3. R. aristosa. 



1. Rhexia Mariana L. M. p. 651. Swamps. Summer. 



Bucks— BTistol, Mart. (B. C), Penn Valley (Wn.). 



New Jersey— Common. 



New Castle — Thompson's, Moore's, etc. Frequent. 



2. Rhexia Virginica L. Deer Grass. M. p. 651. Sandy swamps. Sum- 



mer. 



3. Rhexia aristosa Britton. M. p. 651. Sandy swamps. Summer, 



Cape Ifai/— Woodbine (Br.), Cape May (St.). Atlantic— Y,gg Harbor. 



Family 3. ONAGRACEAE Dumort. Evening-primrose Family. 



Floral whorls of 4 parts or more. 



Fi'uit a many-seeded capsule, opening by valves or a pore. 

 Calyx-tube not prolonged beyond the ovary. 



