MIDDLESEX FLORA. 19 



LlNACEyE. FLAX FAMILY. 



LmuM, L. 



L. Virginianum, L. 



Maiden, Melrose, Framingham, 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. «fc Fl. 



GERANIACEyE. GERANIUM FAMILY. 



Geeanium, L. 



G. maculatum, L. Ceanesbill. 

 Common. May-July. 



G. Carolinianum, L. Carolina Cbanesbill. 

 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-lea vbd Gekajjium. 

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



G. RobertianuiTi, L. Heeb Robeet. 

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

 Get. 



Ekodium, L'Hbe. 



E. cicutaeium, 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 Erodiimi 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, piunatifld; the lobes dentate, obtuse; stipules 



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



Bot. Cal. 



