MIDDLESEX FLOE A. 



Caltha, L. 



C. palustris, L. Marsh Marigold. 

 Widely known by the name of Cowslips, a totally different plant. 

 Frequent. April-May. 



COPTis, Salisb. 



C. trifolla, Salisb. Goldthread. 

 Widely distributed, but not abundant. May. 



Aquilegia, Tourn. 



A. Canadensis, L, Wild Columbine. 



Common. May-June. 

 A. vulgaris, L. 



The common Garden Columbine of Europe. Concord, escaped, 



(Miuot Pratt) ; et al. July. 



Delphinium, Tourn. 



D. Consolida, L. Field Larkspur. 



Stoneham, rubbish heap in woods, apparently spreading, August, 

 1885, (F. S. Collins). July- Aug. Int. from Eu. 



Xanthorrhiza, Marsh. 



*X. apiipolia, L'Her. Yellow-root. 

 Concord. Found growing by the roadside by Minot Pratt; locally 

 established, but can hardly be native. Nat. from the South. 



ACT^A, L. 



A. spicata, L. var. rubra, Ait. Eed Baneberry. 

 Widely distributed, but nowhere common. May-June. 



A. alba, Bigel. White Baneberry. Cohosh. 

 Distribution as in the preceding. May-June. 



BERBERIDACEyE. BARBERRY FAMILY. 



Berberis, L. 



B. VULGARIS, L. Barberry. 



Common. More abundant in the eastern section of the county. 

 May-June. Nat. from Eu. 



Podophyllum, L. 



P. peltatum, L. May Apple. Mandrake. 

 Shirley, (F. L. Sargent) ; Framingham, (Eev. J. H. Temple) ; 

 Burlington, (Miss M. E. Carter). May-June. Nat. from farther 

 west. 



