124 PENTANDRIA.— DIGYNIA. 



HAB. Pine-barrens. Aug. A span high; leav. 

 smaller, often obtuse. 



GLAUX. Black Salt-wort. Primulaceoc. 



G. maritima. 



HAB. Sea-coast. V-. Erect, 4 — 5 in. high ; leav. 



oppos., ovate, fleshy ; fl. small, solit., axill., rose 



col. 



DIGYNIA. 



188. APOCYNUM. DogVbane. Apocinece. 



I. A. androsaemifolium : leaves ovate, smooth on both 

 sides ; cymes lateral and terminal, smooth ; tube 

 of the corolla longer than the calyx. 

 HAB. Fields and hedges. June — July. U . Stew 

 2 — 3 ft. high; branch, spread. ; fl. pink; border 

 spreading. 

 I. A. pubescens: stem erect ; leaves ovate, hoary-pu- 

 bescent beneath ; cymes pubescent ; corolla longer 

 than the calyx ; border erect. 

 HAB. Borders of fields. June — July. U . Branch 

 few, erect; peliol. short. ; fl. few, sin., greenish. 

 >. A. hypericifolium : leaves oblong, smooth, on ver) 

 short petioles, mucronat*?, obtuse and subcordate 

 at the base ; cymes shorter than the leaves ; calyx 

 nearly as long as the tube of the corolla. 

 HAB. Fields and borders of woods. June — July. 1| . 

 Leav. subsess., very acute; cor. small, greenish- 

 white, erect. 

 4. A. cannabinum: leaves lanceolate, acute at each 

 end, smooth on both sides ; cymes paniculate ; 

 1 calyx as long as the tube of the corolla. 

 HAB. Fields and borders of woods. June. U . 

 Branch, dend. ; cym. many-fl. ; cor. small, camp an.. 

 greenish. 



189. PERIPLOCA. Apocinece. 



P. grceca: flowers hairy within, terminal. 



HAB. New-York. Aug. Tj. Climbing; leav 



