Class XIII. Order VI. 209 



216. SARRACENIA. Calyx double ; the lower three 

 leaved, the upper five leaved ; petals five ; stigma 

 shield like ; capsule five celled. 



217. TILIA. Calyx five parted ; petals five; cap- 

 sule superior, coriaceous, five celled, five valved, open- 

 ing at the base. 



218. SANGUINARIA. Calyx two leaved caducous; 

 corolla eight petalled ; capsule two valved, many seeded. 



2 1 9. PODOPHYLLUM. Calyx three leaved caducous ; 

 corolla from six to nine petalled ; berry one celled, 

 crowned with the stigma. 



220. NUPHAR. Calyx five or six leaved ; corolla 

 many petalled, very short ; petals and stamens trun- 

 cated, inserted in the receptacle ; stigma a disc mark- 

 ed with prominent rays. 



221. NYMPHS A. Calyx four or five leaved ; corolla 

 many petalled, petals and stamens subacute, inserted 

 on the germ ; stigma a tubercle surrounded with an- 

 theroid rays. 



Order V. PENTJ1GYN1J1. Five styles. 



222. AQUILEGIA. Calyx none ; petals five ; nec- 

 taries five, horn shaped, alternate with the petals. 



Order VI. POL YG YN1A. Many styles. 



223. CLEMATIS. Calyx none; petals from four 

 to six ; seeds with tails ; receptacle capitate. 



224. ATRAGENE. Calyx none ; corolla from four 

 to six petalled ; nectaries four, spatulate, alternate 

 with the petals ; seeds with tails. 



225. THALICTRUM. Calyx none; petals four 01 

 five ; seeds without tails. 



226. COPTIS. Calyx none ; petals five or six, ca- 



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