PLANTS OF SOUTHERN NEW JERSEY. 517 



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

 plant is referrable, does not seem distinct. 



Fl. — Early May to early July. Fr. — 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. — Farmingdale, Albion, Oaklyn (S), Riddleton. 

 Coast Strip. — Surf City (L). 



Family LINACE.E- Flax. 

 Key to the Species. 



a. Flowers blue, 12-16 mm. broad. [Linuni usitatissimmn]* 



aa. 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 



hb. 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. 1753 [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. — New Egypt, Mickleton. 



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



Cape May.— Cold Spring (OHB). 



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



