168 
IOWA ACADEMY OF SCIENCES. 
27. . Geschlchte liber Literatur der Lich- 
etiologie von den altesten Zeiten bis 1870. Mtlnchen 1867-1872. 
Contains numerous references to American writings and 
writers. 
28. . Lichenes Mexicani quas legit 1875, 
R. Rabenhorst Hedwigia 15 : 148-149. O 1876. Lists twenty- 
eight lichens, Verrucaria fetivica Krphb , described as new. 
29. Michaux, A. Flora Boreali — Americana, sistens charac- 
ters plantarum, quas in America septentrionali collegit et 
detexit, Paris, 1803. Mentions twenty-one species from Caro- 
lina and Canada, seven new. 
30. Meyer, E. Be plantis Labradoricis libritres, Lipsise, 
1830. Mentions seventeen lichens. 
31. Muller, J. Lichenogische Beitrage, Lichenes aus Texas, 
Flora 60 : 77-80. 11 F 1877. Lists 41 species and varieties and 
describes five of them as new. 
32. . Lichenogische Beitrage, Flora 61 : 
481-492. 1 N 1878; 64 : 225-236. 21 My 1881; 66 : 291-306,316-322. 
1 Jl, 11 J1 1882; 66 : 286-290, 317-322, 344-354. 21 Je, 11 Jl, 1 
Au 1883; 67 : 268-274, 283-289. 11 My, 21, My 1884; 68 : 324- 
326, 331-342. 1 Je, 11 Je 1885; 69 : 286-290. 21 Je 1886; 70 : 
56-64, 336-338. 1 F, 21 Jl 1887. 
A series of articles of various titles, of which the above 
numbers at least give names or descriptions of North America 
lichens. Some are described as new. 
33. . Lichens Oregonensis in Rocky Moun- 
tains, Washington Territory, insula Vancouver et territories 
vicinis Americae occidentalis a cl; Dr. Julio Roell anno praeter 
lapso lecti efc a cl; Dr. Dieck communicata, quos determinavit. 
Flora 72 : 362-366. 20 Jl 1889. Lists eighty-one species and 
gives a description of a new variety. 
34. . Lichenes Exotice. Hedwigia 34 : 
139-145. Je 1895. Some mention of North American lichens. 
35. Nylander, W. Lichenes collecti in Mexico a Fr. 
Muller. Flora 41 : 377-379. 28 Je 1858. Determination of 
110 Mexican species. 
36. . Expositio Pyrenocarpeorum. Ande- 
cavis, 1858. North American species mentioned. 
37 . . Synopsis Methodica Lychenum ; Paris, 
1858-1860. Contains numerous references to North American 
lichens. 
