250 ' Rhodora IDecember 



dwelling known as ' the Garrison House ' .... we cannot doubt that 

 it is an escape from gardens." Also in some abundance by a road- 

 side in dry woods between Carlisle and Concord (If. L. Fernald & 

 S. C. Brooks, October 6, 1912). 



S. ternatum Michx. Garden escape, Danvers (J. Robinson, — , 

 1877; J. Robinson & C. E. Faxon, May 29, 1885). 



SEMPERVIVUM. 



S. tectorum L. Ledges and hillsides; Woburn, Winchester, Med- 

 ford, Sudbury, Natick, Norfolk. 



TILLAEA. 



T. aquatica L. Mud flats of Merrimac River at the " Laurels," 

 tidal banks above salt water, Newburyport {A. A. Eaton, September, 

 1895; specimen in Gray Herb.). 



SAXIFRAGACEAE. 



CHRYSOSPLENIUM. 



C. americanum Schwein. Brooks and ditches, common through- 

 out. 



HYDRANGEA. 



H. cinerea Small. Escaped, Groveland {A. R. Lunt, Aug. 28, 

 1911). 



MITELLA. 



M. diphylla L. Rich woods ; Salisbury {Edward Moulton, — , 1886) ; 

 Newburyport (Edward Moulton, May 20, 1887); Purgatory Swamp, 

 Norwood (C. W. Swan, June 17, 1882); Groton {Miss II. E. Haynes), 

 according to Dame & Collins, Fl. Middlesex Co. 35, 1888. 



M. nuda L. Indian Hill Run, West Newbury {A. A. Eaton, , 



1S97; specimen in herb. N. E. Botanical Club). 



