134 
Etude sur la Classification Naturelle et la Morphologie des Li- 
chens du Brésil. Edouard A. Wainio. (Acta Soc, Fauna 
et Flora Fennica, vii. Helsingfors, 1890). 
The entire volume of 256 pages of the acts of this Finland 
society is devoted to the description and classification of Brazilian 
lichens. 
Ferns—Synoptical List. Bull. Bot. Depart. Jamaica, Nos. 22, 
3,25; 26. 
Filices Mexicane. I., II. (Gard. & For. iv. 448-450, f.71; 483, 
484, f. 75). 
An enumeration of the ferns collected by C. G. Pringle in 
Mexico. Asplenium Pringlet and Hemionitis elegans are fig- 
ured, and Asplentum dubtosum is described as new. ; 
Flora of Northern Vucatan—Observations on. Angelo Heilprin. _ 
(Proc. Amer. Philos, Soc. xxix. 137-144). 
Florida Pines. (Gard, & For. v. 73; illustrated). 
Flora Ottawaensis.—Additions Made Since Last Report. (Otta- 
wa Nat. v. 204). : 
Forest Trees of Oregon—The. II., 1. Thos. Condon. (West 
Am. Sci. vii. 115-117; 142-143). 
Species under the genera Picea, Thuya, Libocedrus, Cham@- 
cyparis, Juniperus, Taxus, Quercus, Acer, Fraxinus, Alnus, Ore0- 
daphne, Arbutus, Cornus, Populus and Prunus. bx 
Forest Vegetation of the Upper Mississippi. J., I]. L.H. Pam- 
mel. (Gard. & For. iv. 460, 461; 472). 
Fungus Diseases of Iowa Forage Plants. 1. H. Pammel. (Ex- 
tracts of a paper read before the Iowa Acad. Sci., reprint. 
no date). 
Fungus Diseases of the Sugar Beet, L.H. Pammel. (Bull. No. 
15, lowa Agric, Ex. Station ; illustrated). 
Fungi Guaranitici. C. Spegazzini. (Rev. Argent. Hist. Nat. has 
398-432). 
This is the concluding part of the descriptive list of Ar gentine 
Fungi, published by Senor Spegazzini. A very large number 
of new species are proposed. 
Fungi—North American. A, P. Morgan. (Journ. Am. Sot. 
Nat. Hist. xiv. 141, contin. from xiii. 21). 
Interesting Items on Diatoms. Chas. F. Cox. (Am. Micros. 
Journ. xiii. 32), 
