152 
Acclimatization, — Analysis of factors of a species constituting 
hardiness and capacity for endurance of wide ranges of climate. 
Studies in the influence of climatic elements upon plants. Mr. 
Nash; Dr. MacDougal. 
The laboratories are open during the entire year and persons 
desirous of availing themselves of the facilities afforded should 
address the Director-in-Chief. 
D: T. MacDoueat, 
Director of the Laboratories. 
ACCESSIONS. 
MUSEUMS AND HERBARIUM. 
8 specimens ‘‘ Ohio Fungi’? fascicle III. (Distributed by Professor W. A. 
Kellerman. 
103 lichens from Minnesota. (By exchange with Mr. J. R. Gardner.) 
12 herbarium specimens of taegus. (Given by Mr. J Cramfor. 
I specimen of Lrythronium Smithit en by Mr. . Lloy 
y d.) 
21 aaarna specimens from New Mexico. (By sechuage with el ee T. D. 
A. Cockere. 
2 specimens of poe cui from Maine. (Given by Mr, Walter pigs ne. a 
8 mosses from Cuba. (Collected by Mr. S. H. Hamilton. ) 
I 36 specimens ss West american Fungi. ” (Distributed by Dr. David au ) 
ecen ibed species of fungi. (Received from Mr, J. 
B. Ellis, 
4,000 specimens from China. (Collected by Dr. A. Henry.) 
15 herbarium specimens from Maryland. (Given by Dr. N. L. Britton, 
2 type specimens of Heucher @ from California. (Given by Mr. L. R. Abrams.) 
i i nia. aD, . B : 
imens of fungi 
15 lichens from California. (Given by Mr. C. F 
34 photographs of plants. (Given by Mr. T. H. = on 
87 herbarium specimens from various localities. (By ates with the Royal 
Botanical Garden, Berlin, Germany. 
39 specimens from Colorado. (By exchange with Mr. Geo. Osterhout. ) 
4 photographs of the Melbourne Botanical Garden. (Given by Col. E, W. 
Bass. 
14 specimens of Sa/ix ae oo (By exchange with Mr. A, A, Heller.) 
75 specimens from Color: (By exchange with Mr. C. F. Baker.) 
18 specimens of ene ae California and Utah. (By exchange with Mr. T. 
S. Brandegee. 
35 specimens of Wyoming plants. (Collected by Mr. Elias Nelson. } 
