Class VII.— HEPTANDHIA. 



Order I.—MONOGYNIA. 



357, TRIENTALIS. i. TournJ, (Cliickweed 

 AVintergreen.) 



Calix 7-leaved. Corolla rparted, equal, flat. 

 i5errt/ I -celled, juiceless. /Seeds many. {Stamina 

 5, 6, 7 and 8.) 



Flower varying in the number of its parts. Stem simple, 

 low; leaves collected at the summit of the stem; pedun- 

 cles terminal, aggregated, 1 flowered. 



Species. 1. '1". eiirop<ea, (S,. americana. Leaves lanceo- 

 late, acup»inate. Obs. The leaves of the American plant, 

 on comparison, are longer, the flowers more frequently 

 8-parted with 8 stamens than less, it consequently ap- 

 proaches to the genus Chlora. 



A genus of a single species, indigenous to Europe and 

 North America. 



S58. jESCULUS. L. (Horse-chesniit. Buck-, 

 eye.) 



Calix 1 -leaved, ventricose. Corolla of 4 or 5 

 unequal pubescent petals inserted upon the ca- 

 lix. Capsule 3-celled. Seeds large, resembling 

 chesnuts. 



Trees or rar^^ly shrubs with digitate leaves; flowers 

 racemose and terminal, articulated upon the r.ichis. 



Species. 1. iE. Pavia. Indigenous also to Brazil. 2. 

 discolor, V\\. o.Jiava. A. glabra. 5. pallida. (5- macrosta- 

 chya. The smallest and most ornamental of the American 

 species. 



A North American genus with the exception Qi JE. Hip- 

 pocastaniim oi novihQin A.sia. • 



