PLANTS O'F SOUTHERN NEW JERSEY. 669 



Middle District— -New Egypt, Oaklyii (S), Swedesboro, Camden (P). 

 Pine Barrens.— Cedar Brook, Egg Harbor City. 

 Cape May.— Cold Spring (OHB). 



CLINOPODIUM L. 



Clinopodium vulgare L. 



Clinopodium vulgare Linnaeus, Sp. PI. 387. I7S3 [Europe and Canada]. 

 Calamintha clinopodium Knieskern 23. — Britton 198. 



Dry ground, woods or thickets ; frequent in the northern coun- 

 ties and less common southward in the Middle district; intro- 

 duced as a weed into the Pine Barrens. 



PL — Early July into September. 



Middle District. — Ocean and Monmouth Cos. (Kn), New Egypt, Moores- 

 town (C), Atco (C), Swedesboro. 

 Pin€ Barrens — Landisville. 



KOELLIA Moench. 



Key to the Species. 



a. Bracts and calyx teeth awn-tipped, rigid, as long as the corolla, flowers in 

 dense heads, terminating the branchlets, leaves slightly petioled. 



K. ari^tata, p. 670 

 aa. Bracts and calyx teeth not long-awned. 



b. Leaves linear. K. ilexuosa, p. 669 



bh. Leaves lanceolate. 



c. Leaves all glabrous or slightly pubescent on the nerves beneath. 



K. virginiana, p. 670 

 cc. Leaves, at least the uppermost, closely pubescent above. 



K. verticillata, p. 670 

 bbb. Leav£s ovate or ovate oblong. 



c. Calyx and bracts with close minute appressed pubescence; leaves 



hoary with whitish wool beneath. K. incana, p. 671 



cc. Calyx and bracts pilose or hispid, with distant spreading hairs; 



leaves ovate, rigid, acute, rounded at base, green and glabrate 



when old ; floral leaves, bracts and calyx teeth hoary. 



K. mutica, p. 671 



Koellia flexuosa (Walt). Narrow-leaved Mountain Mint. 



Origanum flexuosum Walter, PI. Car. 165. 1788 [Carolina]. 



Dry rocky ground ; frequent in the northern counties, but rare 

 within oiur limits and confined to the upper Middle district and 

 lower Cape May. 



Fl. — Early July to late August. 



