Dyeing Properties of Lichens. 233 
TABLE I. 
Showing the Number of Species of each Genus, with the varieties 
and duplicate specimens thereof, experimented wpon. 
Dupli- Total 
No.of No.of cate speci- 
species. varieties, speci- mens ex- 
mens.* amined. 
Name of Genus. 
Alectoria, ‘ 3 + 1 8 
Beomyces, ‘ 5 2 ots 1 3 
Borrera, . : . 6 2 6 14 
Cetraria, . : : 5 4 6 15 
Cladonia, . ; 2 10 12 6 28 
Collema, . , ; 12 1 8 21 
Cornicularia, . ; 6 2 4 12 
Endocarpon, . : 5 5 1 11 
Evernia, . : ; 2 1 3 6 
Gyrophora, ; 10 1 16 27 
Isidium, . ¢ 3 FF 3 6 
Lecanora,.. ‘ ; 32 8 9 49 
Lecidea, . : ; 38 8 12 58 
Lepraria, . 2 1 1 4 
Nephroma, 3 2 t 5 
Parmelia, . 36 28 27 91 
Peltidea, . 6 2 5 13 
Pertusaria, 2 t 6 
Placodium, 4 L 
Psora, 3 nee 3 
Ramalina, 6 4. 15 25 
Roccella, . : : 3 10 13 
Scyphophorus, . 12 8 13 33 
Solorina, . ; 2 3 5) 
Spheerophoron, . 1 1 5 7 
Spiloma, . 1 ae 1 
Squamaria, 9 1 9) 15 
Stereocaulon, 6 1 7 
Sticta, 5 6 11 
Thelotrema, 1 he 1 
Umbilicaria, 1 2 3 
Urceolaria, 5 8 4 17 
Usnea, 3 5 8 16 
Variolaria, 1 1 
Verrucaria, 1 1 
Totals, . 247 109 184 #540 
* Specimens of the same species or variety, collected in different countries, 
_ different habitats in the same country, or at different seasous of the year. 
