FOLYAKDRIA. DI-PENTAGTNIA. 15 



A j^enus of 16 species, aLnost equally divided betwixt 

 liie ali)ine regions of Europe und Silpena. 



573. AQUILEGIA. X. (Columbine.) 



Calix non^J. Petals 5. Ltpanfhla 5, corni- 

 culate, situated between the petals. Capsules 

 5, distinct. 



Leaves once or twice ternately divided^ flowers termi- 

 nal, scattered, reddibh or violaceous. 



Species. 1. A. canailensis. — A genus of 6 specleSj 

 partly indig-enous to Siberia and Europe. 



374. CIMICIFUGA. L, (Black Snake-root.) 

 Calix 4 or 5-leaved. Petals 4 to 8 deturmed, 

 tJiickisb, sometimes wanting. Capsules I to J, 

 oblong, many-seeded. Seeds squamose. 



Leaves large, usually bitcrnately compounded; flowers 

 spiked, teriTiinal, white, spikes sinsple or punicululed; sia - 

 mina subclavate, long and numerous, anthers small, ad- 

 nate to the filaments. 



Species. 1. C. racemosa {Actisa racemosa. L.) 2. 

 foetida. 3. americana. A. palmuta. Does this exception* 

 able plant belong ludded to Cimicifugal — A North Arner r 

 can genus. 



S75. ASCYRUM. £. (St. Peter's-wort.) 



Calix 4-leaved; the 2 interior cordate and 

 larger. Petals 4. Filaments disposed in 4 par- 

 cels. Capsule oblong, l-celled? 2-valved, inclu- 

 ded in the calix. (^Styles 2 or 3.) 



Suffruticose or herbaceous plants, very similar to the 

 following genus; leaves opposite, entire, marked with resi- 

 nous punctures; flowers solitary and terminal or subco- 

 rymbose. Seeds punctate, attached to the margins of the 

 valves. 



Species. 1. \. pumilmr.. 2. * pancijloriim. Decum- 

 bent, diffuse, small, with many stems; leaves approximate, 

 linear -oblong, obtuse, rather minute; flowers rare, solita- 

 ry, pedicell reflected, bibracteate at the base; style 1. 

 Hab. In the open forests of Georgia. Sufiruticose; leaves 

 little more than a lir^e v/ide, often nearly of equal breadth; 

 fl^.vers very rare; style uousually long,' simple; stems fiii- 



