607 



GENERA OF 



CHESTER COUNTY PLANTS, 



GROUPED IN THE NATURAL ORDERS OF PROF. LINDLEY : 



Together with the numerical designation (in this work) of each genus, 

 and the number of species belonging to each, in the County, and in 

 the U. States.* 



ORD. 1. ARALIAOE.E. 



c. c. 



135 Panax 2 



161 Aralia 2 3 



U. 



ORD. 2. UMBELLIFERiE- 



136 Hydrocotyle 



137 Sanicula 



138 Cicuta 



139 Zizia 



140 Apium 



141 Petroselinum 



142 Carum 



143 Cryptotania 



144 Sium 



145 Bupleuram 



146 Fceniculum 



147 Thaspium 



148 Angelica 2 



149 Archemora 1 



150 Pastinaca 1 



151 Heracleum 1 



152 Daucus 1 



153 Chaerophyllum 1 



154 Ostnorhiza 2 



155 Conium 1 



156 Coriandrum 21 1 



26 

 ORD. 3. RANUNCULACEJE. 



253 Actoa 2 



254 Aquilegia 1 



260 Ranunculus 10 



261 Hcpatica 1 



262 Anemone 2 





& 



2 



4 



263 Thalictrum 



264 Clematis 



265 Caltha 



266 Hydrastis 9 



C.C. 

 4 



2 



1 

 1 



24 



5 



1 



2 



3 



1 



1 



1 



1 



1 



1 



1 



3 



3 



3 



1 



1 



2 



1 



2 



1 



] 



36 



4 



1 



20 



1 

 8 



ORD. 4. PAPAVERACEJE. 



247 Chelidonium 1 



248 Argemone 1 



249 Papaver 1 



250 Sanguinaria 4 1 



U.S. 

 4 



10 



4 



1 



53 



1 

 1 

 2 

 1 



ORD. 5. NYMPHjEACEjE. 

 252 Nuphar 1 1 



ORD. 7. HYDROPELTIDE&, 

 260* Hydropeltis 1 1 



ORD. 8. PODOPHYLLE.E. 

 251 Podophyllum 1 1 

 ORD. 9. CRUCIFERJE. 



310 Erophila 



311 Cochlearia 



312 Camelina 



313 Capsella 

 bl4 Lepidiura 



315 Bar bar ea 



316 Arabia 



317 Cardamine 



318 Dentaria 



319 Sisymbrium 



320 Brassica 



321 Sinapis 



322 Raphanus 13 



1 



1 

 1 

 1 

 2 

 1 

 3 

 3 

 1 

 4 

 3 

 2 

 1 



24 



1 



2 

 1 

 1 

 4 

 2 

 7 

 8 

 6 

 8 

 3 

 2 

 1 



46 



* The number of species in the U. States, as here set down, must, of course, in 

 maoy instances, be regarded only as an approximation to the exact amount. 



