MIDDLESEX FLORA. 19 



LINAGES. FLAX FAMILY. 



LlNUM, L. 



L. Virginianum, L. 



Maiden, Melrose, Framiugham, et al. Not very common. July- 

 Sept. 



L. sulcatum, Ridd. 

 Arlington (Wm. Boott). Specimen in the Boott Herb. Very rare. 



L. usitatissimum, L. COMMON FLAX. 



Occasional on " dumps" and along the roadside. June-July. Origin 

 unknown ; a weed of cultivation the world over. For description, 

 see Wood's Bot. & PI. 



GERANIACE>E. GERANIUM FAMILY. 



GERANIUM, L. 



G, maculatum, L. CRANESBILL. 

 Common. May-July. 



G. Carolinianum, L. CAROLINA CRANESBILL. 

 Maiden, Medford, Groton, et al. Not very common. A loose- 

 flowering form with long peduncles and pedicels is found in 

 Middlesex Fells, probably the plant credited to the same locality in 

 Bigelow's Fl. Bost., as G. dissectum. June- Aug. 



G. dissectum, L. CUT-LEAVED GERANIUM. 

 Lowell, " dumps" (Dr. C. W. Swan). Adv. from Eu. 



G. Robertianum, L. HERB ROBERT. 



Maiden, Melrose, Groton, et al. Not uncommon eastward. June- 

 Oct. 



ERODIUM, L'HER. 



E. CICUTARIUM, L'Her. 



Chelmsford and Dracut, woollen mill yards (Dr. C. W. Swan) ; N. 



Chelmsford, abundant and spreading, 1878 and 1880 (Rev. W. P. 



Alcott) ; Winchester, 1885-6 (Mrs. P. D. Richards). Persistent, at 



least for several years ; the common Erodium of the wool-waste ; 



seems to have made a permanent settlement. Aug. Nat. from Eu. 

 E. Botrys^ Bertol. 



Westford, woollen-mill yard (Dr. C. W. Swan). A native of South 



Europe, but introduced in California wool. 



"Leaves oblong, pinnatifid; the lobes dentate, obtuse; stipules 



small ; sepals 4 lines long ; beaks of the carpels 2 or 3 inches long." 



Bot. Cal. 



