502 GENTIANACEAE 



2. Chionanthus L. 

 i. C. virginica L. In moist thickets: N. J. and southern Pa. to 



Fla. and Tex. 



N. J. Local in Salem, Gloucester, Atlantic and Cumberland 

 counties, especially along Maurice River and Cohausey Creek, 

 also sporadically introduced along the edges of the pine-barrens 

 in the same counties, otherwise unknown in the state. 



Pa. Chester Co. 



Tertiary, o: Cretaceous, rare near the region of glacial terraces: 



Older Formations, not very common in the extreme southern part 



of our range. 168-204 days. About sea level. 



The privet, Ligustrum vulgare L. and the lilac, Syringa vulgaris L. are both largely 

 planted and both are established escapes, usually near gardens. 



LOGANIACEAE 

 1. Polypremum L. 

 1. P. procumbens L. In dry sandy soil: N. J. and Pa. to Fla., 

 Ky. and Ind. Terr, and Mex. Also in the W. I. 



Found, in our area, only near the city of Philadelphia, as a 

 weed; undoubtedly adventive from further south. 



There seems to be no evidence that Spigelia marylandica L., once thought to grow 

 in New Jersey, has ever been collected in that state. 



GENTIANACEAE 



Leaves normal; corolla-lobes convolute in the bud. 



Style filiform; anthers usually twisting or recurving when 

 old. 

 Corolla salverform. 

 Corolla rotate. 

 Style short, stout or none; anthers remaining straight. 

 Corolla without nectiferous pits, glands or scales. 

 Corolla without plaits in the sinuses. 

 Corolla with plaits in the sinuses. 

 Corolla with one or two nectiferous pits, glands or 

 scales at the base of each lobe. 

 Leaves, at least those of the stem, reduced to scales; corolla 

 lobes imbricated in the bud. 

 Calyx of 2 foliaceous spatulate sepals; upper leaves normal. 

 Calyx of 4 lanceolate sepals; leaves all reduced to scales. 



i. Centaurium Hill (Erythraea Neck.) 

 1 . C. pulchellum (Sw.) Druce. In fields and waste places : N. J . to 

 Pa. and Md. Also in the W. Ind. Naturalized from 

 Europe. 



