156 CLASS VIII. ORDER I. 



corolla monopetalons ; stamens inserted on the recep- 

 tacle ; berry four celled, many seeded. 



Order 11. DIGYNIA. Two styles. 



178. Chrysosplenium. Calyx four cleft, colored; 

 corolla none ; capsule two beaked, one celled, many 

 seeded. 



Order III. TRIGYNIA. Three styles. 



179. Polygonum. Calyx five parted, resembling a 

 corolla ; corolla none ; seed one, angular, inclosed in 

 the calyx ; stamens and pistils irregular in number. 



OCTANDRIA. 



MONOGYNIA. 



172. EPILOBIUM. 

 Epilorium angustifolium. L. Spiked Willoiv Herb. 



Leaves scattered, linear-lanceolate, entire, veiny ; 

 flowers unequal. Ait. 

 Syn, Epilobium spicatum. Pers. Muhl. 



A tall plant bearing a profusion of blue flowers. Stem round, 

 erect, with alternate branches near the top. Leaves narrow, 

 lanceolate, smooth, glaucous underneath, nearly sessile. Racemes 

 terminal, leafless. Flowers on footstalks, irregular ; calyx linear, 

 acute ; petals light bluish purple, obovate, unguiculate, standing 

 on the long, glaucus or whitish germ. Stamens unequal, four 

 long and four short, with oblong anthers. Style at first club 

 shaped, but at length separating into four revolute branches. 

 When the pods are opening, the plant appears covered with the 

 downs of the seeds. — In woods and low grounds. A large quan- 

 tity grows near Brighton new road. — June, July. — Perennial. 



Epilobium lineare. BIulil. Linear Willow Herb. 



Stem terete, pubescent, branching at top; leaves 

 linear, entire, revolute at the margin. 



