18 FLORA OF THE UPPER SUSQUEHANNA. 



ALSINE L. 



A. media L. Common Chickweed. An abundant weed in culti- 

 vated tmd waste grounds. Flowers from earliest spring to au- 

 tumn. Closes its flowers at the approach of storms, Gra^'es. 

 The earliest flowers are fertilized in the bud. {SteUa?'ia media 

 Smith.) 



A. longifolia (Muhl. ) Britton. Lo.ng-lk.wed Stitchwort. Com- 

 nK)n in moist, grassy places. June. {Stellaria longifolia Muhl. ) 



A. boreal is (Bigel.) Britton. Northern Stitchwort. Rare. Wet 

 place at base of wooded hill near North Chemung, Lucy. Rather 

 rare. In wet places, 0><^7'<f.y. Oxford, C6'2//7/^. Not noted else- 

 where. {Slt'/la7-ia boreal is Bigel.) 



A. graminea (Muhl. ) Britton. Grass Chickweed. Rare. Wet 

 ditch along a roadside ; flowers large and conspicuous, Graves, 

 {Stellaria grauiifiea L. ) 



CERASTIUM L. 



C. vulgatum L. Mocse-ear Chickweed. A common and well- 

 known weed in cultivated grounds and waste places. Flower- 

 ing nearly all summer. 



C. longipeduncufatum Muhl. Chickweed. Base of Sullivan 

 Hill and along the Chemung river. In specimens here, the 

 .stem is strict and leafy, Lucy. (C. mitans Raf . ) 



SPERGULA L. 

 S. arvensis L. Corn Spurry. A common weed in gardens. 

 Scarce, Lucy. Stem, round, with swollen joints, branched ; 

 leaves, thread-like in whorls. 



PORTULACACE/E. 



PORTULACA L. 



P. oleracea L. Purslane. Puslev. Abundant as a weed in 

 cultivated grounds, also in all waste places. Very tenacious of 

 life ; after flowering it will ripen its seeds though severed from 

 its roots. Sometimes used for a pot-herb. July-Sept. 



CLAYTONIA L. 

 C. Virginica L. Si-rim, Beai tv. Common in wet woods, thick- 

 ets and especially the low meadows along streams. The stems 



