NATURAL ORDERS, GENERA AND SPECIES. 



164 



Genus XXXVIII. POA amrua, 24 

 Genus XLL BROMUS ercctus, 38 

 Genus XLIII. LOLIUM percnne, 



38 ; temulentum, 39 

 Genus XLMll.HORDEUM muri- 



mtm, 19 



Order XC. Filices. 



Genus Vll.-ASPLEN/UA/ tricho- 

 manes, 124; viride, 124 



Genus Nlll.SCOLOPENDRIUM 



vnlgare, 123 

 Genus X II. NEPHRODIUMfilix- 



mas, 124; spimilosum, 125; ore- 



opteris, 125 



Order XCI. Equisetacese. 

 Genus \.-EQUISETUM arvense, 

 I2S 



Order Leguminosae. 



ROBINIA pseudacacia, 132 



Order Arctocarpese. 



MORUS nigra, 134 



Order Cupuliferae. 



CASTANEA vulgaris, 138 



EXOTIC GENERA. 



Order Xanthoxylaceae. 



AILANTUS glandulosa, 130 



Order Platanacese. 



PLATANUS oricntalis, 148 



Order Coniferae. 

 LARIX europcea, 155 

 ABIES excclsi , 154 ; pectin ita, 153 



