39 



represented In the P. A. S. collection, and very doubtfully a county 

 species. 

 Cerastium nutans, Baf., which finds a place in some local printed 

 lists, certainly must be an error. 



Sagina prooumbens, L. (Pkarlwoet.) 



Common in damp places. A weed in among the bricks of door 



yards in Salem. 

 Sagina nodosa, Feml. 



Pigeon Cove, 1875 (J. E.). Rare. 

 Lepigonum rubmm, Fries, var. campestris. Spergnlaria rubra, 



Presl, var. campestris. (Gray's Manual.) (Sand-Sptjbry.) 



Common along roadsides near the shore. 

 Lepigonum medium. Fries. Spergnlaria media, Presl, (Gray's 



Manual.) 



All salt marshes. It is quite difficult to separate these plants in a 



satisfactory manner; but besides the two species already noticed, 



another, or a variety, is common ; possibly, 

 Lepigonum salinum, Fries. Spergnlaria salina, Presl. (Gray's 



Manual.) 



Growing in the salt marshes. 



Spergula arvensis, L. (Cokn Spukry.) 

 Fields and roadsides. Quite common. 



PAEONYCHIBiB. 



(Whitlow-wort FiMttY.) 



Anychia dichotoma, Michx. (Forked Chickweed.) 

 A delicate inconspicuous plant, often overlooked, growing in dry 

 places. Ome's point, Salem, 1824 (Dr. Charles Pickering)) same 

 locality, 1877 (J. E.) ; Boxford, 1878. Eather scarce. 



Scleranthus annuus, L. (Knawel.) 

 A homely weed. Common near the coast. (Nat. from Europe.) 



PICOIDEiE. 



Mollugo verticillata, L. (Carpet-weed.) 

 Common in paths and In poor soU generally. (Int. from the south.) 



POKTULACACB.ffl. 



(Purslane Fashly.) 



Fortulaca oleracea, L. (Common Purslane.) 

 This omnipresent weed was considered an excellent table green by 

 the early inhabitants, and so spoken of in letters written to Eng- 



