260 Class XVII. Order III. 



A tall, handsome plant. Stem erect, four or five feet high, 

 somewhat downy. Leaves ovate or three lobed, green above, 

 whitish and soft with down underneath, obtusely serrate, acumi- 

 nate. Flowers nearly as large as the hollyhock, shewy, pale 

 purple. The peduncles are long, axillary and sometimes con- 

 nected with the petioles, geniculated toward the top. Outer 

 segments of the calyx about twelve, downy, linear; inner seg- 

 ments five, half ovate. Petals very large. Found in Newton, 

 near the banks of Charles river. August. Perennial. 



The bark is fibrous and very strong, and is capable of afford? 

 ing a tplerable substitute for hemp. 



Class XVII. DIADELPHIA. Stamens united 



in two distinct sets. 



Order II. HEXAJVDRM. Six stamens. 



282. FUMARIA. Calyx two leaved ; corolla irreg- 

 ular, spurred at base ; filaments two, each with three 

 anthers ; capsule, one celled without valves, one 

 seeded. 



283. CORYDALIS. Calyx two leaved ; corolla rin- 

 gent ; filaments two, membranous, each with three 

 antliers ; capsule siliquose, many seeded. 



Order III. OCTAJVDRM. Eight stamens. 



284. POLYGALA. Calyx five leaved, two of the 

 leaves wing shaped and, coloured ; corolla with a 

 cylindrical banner; legume inversely heart shaped, 

 two celled, 



