1921] Reports on the Flora of the Boston District,— XXXIV 115 



ONAGRACEAE. 

 CIRCAEA. 



C. alpina L. Frequent in northern Massachusetts; southward 

 rare, mostly in Chamaccyparis swamps. 



C. latifolia Hill. See Rhodora xvii. 223, 1915. Moist woods, 

 common. 



CLARKIA. 



C. pulchella Pursh. One plant near wool-waste dust, Arlington 

 Mills, Lawrence (John A. Collins, Jr., June 14, 1900). See Rhodora 

 iii. 92, 1901. 



C. rhomboidea Dougl. Wool-waste, N. Chelmsford (IF. P. 

 Alcott, 1878). Specimen in herb. Peabody Acad. Sci. Adventive 

 from Pacific coast. 



EPILOBIUM. 



E. angustifolium L. Dry soil and clearings; common, but not 

 so abundant as farther north. 



E. angustifolium L. forma albiflorum (Dumort.) Haussk. 

 Rocky bank, Stoneham (IF. P. Rich, July 23, 1894). Specimen in 

 herb. N. E. Botanical Club. 



E. coloratum Mubi. Wet places, common throughout. 



E. densum Raf. Swamps, common. 



E. glandulosum Lehm., var. adenocaulon (Haussk.) Fernald. 

 See Rhoeora xx. 35, 1918. Wet places, frequent. 



E. hirsutum L. Waste places, rare; Salem, Winthrop, Cambridge, 

 Roxbury, Boston. 



E. molle Torr. Meadows in Essex County only, at Newburyport, 

 Haverhill, Wenham, Danvers, and Rowley. 



E. pahistre L. Cedar Pond, Peabody (.7. H. Scars, July 30, 

 1886; E. Faxon, Aug. 25, 1891); Wilmington, dark Chamaccyparis 

 swamp near Lowell Junction (A. S. Pease, Aug. 7, Oct. 3, 1903). 



E. paliistre L. var. monticola Haussk. Bogs and wet meadows, 

 rare; Lexington, Melrose, Medford, W. Roxbury, Milton, Easton. 



GAURA. 



G. biennis L. Rubbish heaps, Cambridge (IF. Deane, Aug. 5, 

 1886; M. L. Fernald, August, 1891); Lexington (IF. B. Brown, Jr., 

 Sept. 11, 1896). 



