

Class Xni. Order VI. 133 



winter. The leaves are nearly orbicular, divided behind, the 

 fissure or sinus furnished with an angle or tooth on each side. 

 Calyx of four leaves, green without, white within. Petals nu- 

 merous, white. Stamens yellow. The flowers expand in the 

 morning, giving the surface of the water a magnificent appear- 

 ance ; but are closed in the afternoon. June. July. 



164. AQUILEGIA. 

 AQUILEGIA CANADENSIS. L. Wild columbine. 



Nectaries straight ; stamens longer than the 

 corolla* L. 



This early flower is more delicate in its habit and colours 

 than the common garden species. Stem erect, branching. 

 Leaves once or twice ternate, lobed. Flowers on the ends of 

 the branches, pendulous, scarlet without, and yellow within. 

 The nectaries resemble straight horns, alternating with the 

 petals, which are oval and acute. Stamens numerous, yellow, 

 projecting. After flowering the fruit becomes erect. Dry 

 hills, rocks, and pastures. April, May. Perennial. 



POLYGYNM. 



165. CLEMATIS. 

 CLEMATIS VIRGINIANA. L. Traveller's joy, Virgin's boiver. 



Leaves trifoliate ; leafets heart-shaped, sublo- 

 bate-angular, climbing ; flowers dioecious. L. 



A climbing, hardy vine. The stem gives off at intervals i: 

 pair of opposite petioles, which twine round objects of support, 

 serving the purpose of tendrils ; each bears three heart-shapcr! 

 leafets, which are variously toothed and lobccl. Peduncles ax- 

 illary, bearing cymes of white flowers, which arc dioecious, the 



