A GUIDE TO THE WILD FLOWERS 



155 



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petals not notched. June. Moist places. Newfoundland to 

 southern N. Y., and westward. Also in Europe. 



462. Sandwort. Arcnaria serpylli folia. {Alsinaccae.) A 

 much-branched, weak, hairy, annual weed, usually less than 

 6 in. high. Leaves opposite, oval, about ]/% in. long, broadest 

 towards the stalkless base. Flowers }i in. wide, white, very 

 numerous in a branched cluster, the petals not notched. May- 

 August. Throughout North America, mostly in dry places. 

 Fig. 462. See No. 452. 



463. Pearlwort. Sagina procumbens. (Alsincxeae.) A 

 densely matted low herb with linear needle-like leaves, 

 scarcely % i«- ^ong^ Flowers white, usually i or 2 together 

 on relatively long slender stalks, not over }i in. wide, the 

 petals not notched, and sometimes wanting. Moist places. 

 Newfoundland to Delaware, and westward. Native of Eu- 

 rope and Asia. May-September. Fig. 463. A native species, 

 S. decumhcns, with slightly larger petals is found from Mass. 

 to Florida, and westward, and in drier places. 



464. Mountain Sandwort. Arcnaria grocnlandica. {Alsin- 

 accae.) A low plant whose lax, open few-flowered flower 

 cluster stands well above the sod-like matted foliage. Leaves 

 needle shaped, 3^ in. long, actually opposite, but appearing 

 densely crowded. Flowers, white, about Yi in. across, the 

 oblong petals not notched. Rocky places. Labrador and Green- 

 land, south along the mountains to Virginia and No. Caro- 

 lina. June-Sept. Fig. 464. 



