PIvANTS OF SOUTHERN NEW JERSEY. 517 



Common in the Middle district. O. brittoncs, to which our 

 plant is referrable, does not seem distinct. 



/''/.—Early May to early July. i?r.— Early June to early 

 August (apparently). 



Middle District.— New Egypt, Kinkora, Delaire. 



Oxalis cymosa Small. Tall Yellow Wood Sorrel. 



Oxalis cymosa Small, Bull. Torr. Club XXIII. 267. 1896 [Ontario to Gulf 

 of Mexico]. 



Frequent in the Middle and Coast districts. 

 Fl. — ^Late May to late September. Fr. — Late June well into 

 autumn. 



Middle District.— Turmingdalt, Albion, Oaklyn (S), Riddleton. 

 Coast Strip. — Surf City (L). 



Family LINACE^. Flax. 



Key to the Species. 



a. Flowers blue, 12-16 mm. broad. [Linum usitatissimum]* 



00. Flowers yellow, 6-8 mm. broad. 



b. Stem nearly terete, corymbosely branched, only the lowest leaves 

 opposite. •' " 



c. Leaves thin, oblong or lanceolate, spreading. L. virginianum, p. 517 

 cc. Leaves firm, appressed, ascending. 



d. Capsule depressed globose, 2 mm. high. L. medium, p. 518 



dd. Capsule ovoid, 3 mm.' high. L. Horidanum, p. 518 



bb. Stem angled, racemosely branched, leaves below the branches mostly 



opposite. L. striatum, p. 518 



LINUM L. 



Linum virginianum L. Wild Flax. 



Linum virginianum Linnaeus, Sp. PI. 279- I7S3 [Virginia and Pennsylvania]. 

 — Knieskern 10. — Britton 71. 



Dry sandy woods of the northern counties, and rarely south- 

 ward in the 'Middle district. 



Fl. — Mid-June to early August. Fr. — ^Mid-July to late 



August. 



Middle District.— Nfw Egypt, Mickleton. 



Pine Barrens. — Pasadena (in cultivated ground, probably introduced). 



Cape May.— Cold Spring (OHB). 



* Flax, an occasional weed in fields and waste places. 



