MIDDLESEX FLORA. 



HYPERICACEy^E. ST. JOHN'S- WORT FAMILY. 



HYPERICUM, L. 



H. ellipticum, Hook. 



Medford, Tewksbury, Chelmsford, et al. Not uncommon. June- 

 Aug. 



H. PERFORATUM, L. ST. JOHN'S-WORT. 



Common. June-Aug. Nat. from Eu. 

 H. maculatum, Walt. (H. corymbosum, Muhl., Man.) 



Not uncommon. July-Aug. 

 H. mutilum, L. 



Common. July-Sept. 

 H. Canadense, L. 



Very common. June-Sept. 

 H. nudicaule, Walt. (H. Sarothra, Michx, Man.) 



Very common. June-Sept. 



ELODEA, Juss., Pursh. 



E.campanulata, Pursh. (Elodes Virginica, Nutt, Man.) 

 Common. July-Aug. 



ELATINACE^. WATER-WORT FAMILY. 



ELATINE, L. 



E. Americana, Am. 



Mystic Pond (C. E. Perkins); Fresh Pond (Bigelow's Fl. Bost, 

 under Crypta minima) ; Arlington (Rev. Thos. Morong). 



CARYOPHYLLACE>E. PINK FAMILY. 



DlANTHUS, L. 



D, ARMERIA, L. DEPTFORD PINK. 



Maiden, Medford, Reading, et al. Rather scarce. July-Aug. Nat. 

 from Eu. 



D. deltoides, L. Ashland, spontaneous in old gardens (Rev. Thos. 

 Morong) . 



" A low plant with perennial rootstock, producing a tuft of procum- 

 bent leafy shoots ; the annual flowering stems erect or ascending^ 

 smooth or slightly hairy, 5 or 10 in. high, dichotomously branched 

 above. Leaves a third of an inch long, green, smooth, obtuse, 

 the upper somewhat acute. Flowers rather small, scentless, purple 

 or whitish, spotted, singly or in pairs, on short pedicels. Sepals with 



