NUMBER AND CHARACTER OF CHESTER COUNTY PLANTS 459 



This FLORA comprises 615 Genera, and 1393 Species, of Plants of 



Chester County. 

 Of these Species, about 1104 are indigenous, 157 are naturalized, 



and 132 CULTIVATED ; as set forth in the following statement. 



Phaentigamous. 



Species. 



Genera. Nat. Natur'd. Cult'd. Total. 



Dialypetalous Exogens 172 227 42 60 = 329 



Gamopetalous " 170 264 63 28 = 355 



Apetalous " 50 79 21 14 = 114 



Gymnospermous " 8 6 1 12 = 19 



Endogenous Plants 109 211 30 18 = 259 



Cryptfyamous. 

 Ferns and Fern-like 

 Mosses 

 Hepaticae 

 Lichens 



509 787 157 132 = 1076 Phaenogams. 



18 39 " = " 

 38 120 " " = " 

 25 33 " " = " 

 25 125 _'= 

 =317 Cryptogams 



Genera 615 1104 157 132 = 1393 species. 



THE FOLLOWING IS A CLASSIFIED LIST OF THE NATURALIZED AND 

 CULTIVATED PLANTS OF CHESTER COUNTY. 



J8@ The names of those introduced plants which are generally 

 regarded as intrusive Weeds, or nuisances, are printed in italics; and 

 those which are EMINENTLY PERNICIOUS, or troublesome, in SMALL 

 CAPITALS. 



Naturalized Plants. Cultivated Plants. 



ORDER I. RANUNCULA^CEAE. 



Genus. Genus. 



5. Ranunculus sceleratus. 



" bulbosus. 



" acris. 



8. Delphinium Consolida. 



ORDER II. MAGNOLIA^CEAE. 



12. Magnolia acuminata. 



ORDER VIII. PAPAVERA V CEAE. 



20. Papaver dubium. 



21. Argemone Mexicana. 



22. Chelidonium majus. 



