614 



NATURAL ORDERS 



ORD. 258. FLUVIALES. 



C.C, 

 84 Potamogcton 4 



415 Caulinia 2 1 



ORD. 260. PISTIACE.E. 



Leinna 1 3 



ORD. 261. GRAMINE.E. 



2 

 3 

 12 

 4 

 1 



25 Paepalum 

 38 Digitaria 



27 Panicum 



28 Setaria 



29 Cenchrus 



30 Aristida 

 3i Cinna 



32 Trichodium 



33 Agrostis 



34 Muhlenbergta 



3 5 Phleum 



36 Spartina 



37 Arundo 



38 Calamagrostis 



39 Phalaris 



40 Anthoxanthuzn 



41 Aira 



4j Kocleria 



43 Avena 



44 Danthonia 



45 Bromus 



46 Fcstuca 



47 Glyceria 



48 Tricuspis 



49 Poa 



50 Dactylis 



51 Atheropogon 



52 E leu sine 



53 Secale 



54 Elymus 



55 Hordeum 



56 Triticum 



57 Lolium 



2 



1 



2 



7 



2 



1 



1 



1 



2 



1 



1 



2 



2 



3 



1 

 3 



4 



1 



1 



4 

 2 

 2 



1 



U.S. 



10 

 2 



12 



6 



10 

 5 



42 

 8 

 1 



10 

 1 

 3 



22 



C. C. 

 5 



1 



1 



2 



1 



1 



1 



96 

 ORD. 2G2. CYPERACE.E. 



58 Andropogon 



59 Sorghum 



60 Holcus 



61 Lcersia 



62 Zizania 



63 Zea 



64 Tripsacum 40 



17 Cyperus 



18 Mariseus 



19 Dulichium 



20 Scirpus 



21 Eriophorum 



22 Rhynchospora 



23 Selena 

 2| 24 Carex 8 



2 

 4 

 1 

 2 

 2 

 1 

 4 

 5 

 4 

 2 

 5 

 12 



5 

 2 

 1 



14 

 2 



3 



2 



35 



64 



U.S. 

 12 

 1 

 8 

 3 

 2 

 1 

 I 



2id 



25 

 3 

 1 



38 

 5 



30 



6 



135 



245 



2£ 

 1 



o 



2 

 1 

 6 

 4 



2 



ORD. 263. EQUISETACEiE. 



459, Equisctum 1 3 6 

 ORD. 264. FILICE8. 



460 Polypodium 2 6 



461 Onoclea 1 I 



462 Aspidium 7 15 



463 Woodsia 2 4 



464 Aspleniura [5 7 



465 Pteris 2 4 



466 Adiantum 1 1 



467 Chcilanthc* 1 2 



468 Dicksonia 1 1 



469 Osmunda 3 4 



470 Ophioglossum 1 2 



471 Botrychium 12 3 4 



29~ ~51 

 ORD. 265. LYCOPODIACEiE. 



472 Lycopodium 6 13 



473 Isoetes 2 11 



7 ~14 



Prof, Lihblet arranges the known flowering and filicoid plants into 

 250 Natural Orders. In Chester County, there are plants be- 

 longing to 128 of those Orders,- comprising 482 Genera, and 1075 

 Species. Of these species there are cultivated, 92 

 Introduced and naturalized, about 138 



230 



Indigenous 843 



ToUi 1078 



