NATURAL ORDERS, GENERA AND SPECIES. 



164 



Genus XXXVIII. POA anmia, 24 

 Genus KLI.BROMUS erectus, 38 

 Genus KL\\l.LOUUM peremie, 



38 ; tcmulentum, 39 

 Genus yilNll.HORDEUM muri- 



num, 19 



Order XC. Filices. 



Genus Vll.-ASPLENIUA! tricho- 

 mancs, 124; viride, 124 



Genus Vlll.SCOLOPENDRIUM 



vulgare, 123 

 Genus XII. NEPHRODIUMfilix- 



mas, 124 ; spimilosum, 125 ; ore- 



opteris, 125 



Order XCL Equisetaceae. 



Genus I. EQ VISE TUM arvense. 



EXOTIC GENERA. 



Order Xanthoxylaceae. 

 AILANTUS glandulosa, 130 



Order Leguminosae. 



ROBIN! A pseudacacia, 132 



Order Arctocarpeas. 



MORUS nigra, 134 



Order Cupuliferaa. 



CASTANEA vulgaris, 138 



Order Platanaceas. 

 PLATANUS oricntalis, 148 



Order Coniferse. 

 LARIX europcea, 155 

 ABIES excels .1, 154 ; pectimta, 153 



