200 Botanical Items, &c. 
Botanical Items communicated by Dr. Torrey. 
49. Prof. Hooker, of Glasgow, has in the press a Flora 
Scotica, and Mr. Gray is printing a new Flora Brittanica in 
Natural orders. The first volume of the latter work is al- 
ready done, and the second nearly ready for publication. 
50. R.A. Salisbury, Esq. has finished his great work on 
Natural Orders and Genera, with quite new locations. 
51. W. Swainson, Esq. of Liverpool, has finished the 
9th No. of his Zoological Illustrations, containing lithograph- 
ic figures, and descriptions of new and rare animals, partic- 
ularly in the departments of Conchology, Eutomonogy, 
and Ornithology. The drawings and engravings are exe- 
cuted by himself. 
52. The 1st volume of Prof. Agardh’s Species Algarum, 
has been received. It embraces the Order Tucomez, 
containing fourteen genera which were all included in the 
Genus Fucus of Linneus. 
Prof. Agardh spent a part of the last winter in Germany 
and France, whither he went for the purpose of examining 
collections of Alge for his work. The Inspectors of the 
Royal Museum of Paris, and Baron Humboldt have com- 
mitted to Prof. A. all their new or undescribed Alge aquo- 
se, for description. | 
53. The sixth volume of the new Systema Vegetabilium, 
commenced by Roemer & Schultes, and continued by the 
latter since the death of his colleague, has recently been 
published. It finishes the class Penranpria. The Um- 
BELLIFERAE are arranged by Sprengel, according to his new 
system. 
54. Prof. Fries, of the University of Lund, in Sweden, 
has published the first volume of his Systema Mycoxoer- 
cum, according to a new natural method. 
In the press—A description of the island of St. Mi- 
chael, comprising an account of its geological structure, with 
remarks on the other Azores or Western Islands, with maps 
and plates. Originally communicated to the Linnean Soci- 
ety of New-England. By J. W. Webster, M. D. 
