( 301 ) 
INDEX TO THE ORDERS AND GENERA. 
Acer, . . 39 
Acerinee, . 39 
A chill sea, . 116 
Acinos, . . 116 
Acrospermum, 296 
Adoxa, . . 86 
jEcidium, . 296 
iEgopodium, . 80 
dEthusa, . 82 
Agaricus, . 290 
Agrimonia, . 62 
Agrostemma, . 29 
Agrostis, . 196 
Aira, . . 197 
Ajuga, . . 144 
A 1 aria, . . 288 
Alchemilla, . 63 
Alectoria, . 282 
Alge, . . 287 
Alisma, . . 172 
Alismacee, . 172 
Alii am, . . 180 
Alnus, . . 163 
Alopecurus, . 193 
Alyssum, . 12 
Amaryllidee, 191 
Amentacee, 162 
Ammophila, . 194 
Anagallis, . 148 
Anchusa, . 128 
Andraea, . 231 
Anemone, . 2 
Angelica, . 83 
Anictangium, 235 
Anomodon, . 255 
Anthemis, . 116 
Anthoceros, . 262 
Anthoxanthum, 192 
Anthriscus, . 85 
Anthyllis, . 45 
Apargia, . 97 
Apocynee, . 123 
Aquilegia, . 6 
Arabia, . . 14 
Araliacee, . 86 
Arbutus, . 121 
Arctium, . 104 
Arenaria, . 31 
Aroidee, . 173 
Arrhenatherum, 199 
Artemisia, . 108 
Arthonia, . 269 
Arum, . . 173 
Arundo, . 205 
Asperococcos, 288 
Asperugo, . 132 
A spend a, . 94 
Asphodelee, 180 
Aspidium, . 219 
Asplenium, 220 
Aster, . . Ill 
Astragalus, . 48 
A triplex, , 156 
Atrop . 133 
A vena, . 204 
Azalea, . 120 
Baeomyces, . 268 
Balsaminee, 43 
Barb area, . 14 
Bartramia, . 252 
Bartsia, » . 137 
Batrachospermum, 290 
Beilis, . . 113 
Berberidee, 6 
Berberis, . 6 
Betula, . 162 
Bidens, . 107 
Blechnum, , 223 
Blysmus, . 208 
Boletus, . 291 
Boraginee, . 126 
Borago, . 128 
Borrera, . 280 
Botrychium, . 
223 
Brachypodium, 
206 
Brassica, 
17 
Briza, 
202 
Bromus, 
203 
Bryum, 
2; 9 
Bunium, 
81 
Buxbaumia, . 
253 
Cakile, 
9 
Calamagrostis, 
196 
Calicium, 
268 
CaLthamnion, 
289 
Calluna, 
120 
Oalocera, 
292 
Calotbrix, 
289 
Caltha, 
5 
Camelina, 
12 
Campanula, 
llti 
C AM PAN UL AC EE, 
116 
Caprifoliacee, 
89 
Capsella, 
JO 
Cardamine, 
13 
Carduus, 
105 
Carex, 
210 
Carlina, 
106 
Carpinus, 
171 
Carum, 
81 
Caryophyllee, 
24 
Castanea, 
170 
Catabrosa, 
196 
Catenella, 
289 
Centanrea, 
106 
Centunculus, 
152 
Ceramium, 
289 
Cerastium, 
32 
Ceratophyi.lee, 
72 
Ceratophyllum, 
72 
Cetraria, 
279 
Ceuthospora, 
295 
Chaerophyllum, 
85 
Chara, 
287 
