BIOLOGICAL INDEX. 
Aberdeen, 172 | Avcidium ornamentale, 25 
Abstriction of promycelial spores, 43 pedicularis, 174 
4Ecidia used as food, 7 periclymeni, 264 
4Ecidiolum exanthematicum, 16 pini, 13 
Aicidiomycetes, 17 pseudo-columnare, 271 
Ecidiospore, 2% punctatum, 269 
circumnutation of, 26 ranunculacearum, 130, 131, 178, 180, 
-develupment of, 21 181 
duration of vitality, 26 rubellum, 176, 177 
entrance into host-plant, 25 rumicis, 176, 177 
germination of, 25 taraxaci, 172 
germ-pores, 25 thalictri-flavi, 181 
mother-cell of, 24 tragopogonis, 13, 25 
pseudoperidial cells of, 24 tussilaginis, 167 
Aicidium albescens, 15 urticee, 170 
allii, 165 » var. himalayense, 4 
ari, 166, 167 zonale, 132 
asperifolii, 25, 167 Agaricini, spore diffusion of, 32 
asteris, 182 Agrostis pumila, 284 
barbareze, 265 vulgaris, 284 ' 
bellidis, 175 Aira czespitosa, 192 
berberidis, 55, 163 Ajuga reptans, 158 
bunii, 206, 270 Algeria, 213 
cirsii, 173 Allium oleraceum, 261 
clematidis, 243, 265 ursinum, 166, 167, 243 
compositarum, 169, 171, 172, 175 Alsine media, 210 
crassum, 164. Amelanchier vulgaris, 236 
cyparissiz, 133 Anchusa, arvensis, 169 
ficarize, 131 Anthoxanthin, 31 
grevillei, 173, 187 Arthur, Mr. C. J., 34 
grossulariz, 264 Artificial infection of plants, 114 
jacobses, 171 method of, 115 
leucospermum, 19, 205, 269 with ecidiospores, 115 
magelhzenicum, 163 with teleutospores, 111 
orchidearum, 179 Arum maculatum, 166 
