263 
from near Princeton, N. J., Helonias bullata from the same local- 
ity, and Mertensia Virginica from Rocky Hill, N. J. 
Dr. Morong reported Silene Pennsylvanica with white flowers 
from Woodhaven, Long Island. 
A general discussion on the occurrence of albinism followed, in 
which remarks were made by Dr. Morong, Miss Vail, Mrs. Britton 
and Mr. Lighthipe. 
Index to Recent Literature Relating to American Botany. 
Adventitious Budding in Aisculus Hippocastanum. Walter C. Kerr 
(Proc. Nat. Sci. Assoc. Staten Island, April 8, 1893). 
Ascyrum Crux-Andree (Meehan’s Month, iii. 65). 
Bacteria in Vegetable Tissue—Non-Parasitic. ". L. Russell (Bot. 
Gaz. xviii. 93). 
Beitrage zur Kenntniss exotischer Sphagna. C. Warnstorf. (Hed- 
wigia, 1893, 1-17, plates i-iv. reprinted). 
Several corrections of American specimens and species are 
made, and all those who have been sending material to Dr. Warn- 
storf for naming will do well to consult this publication. Several 
changes are made in Macoun’s Canadian mosses, and the range 
of several species is extended. S. Labradorense, Warnst., S. Lind- 
bergu, Schpr., S. Floridanum, Cardot, S. Mendocinum, S. & L., S. 
Dusenii, C. Jensen, S. Girgensohnit, Russ., var. and S. Garébert, L. 
& J., are described and figured. 
Botanical Laboratory in Pharmaceutical Manufacture—The work 
Ya. John S. Wright (Science xxi. 183). 
Botanical Notes from Texas. E. N. Plank. (Gard. and For. vi. 
162.) Notes on Sesbania Cavanillesii, S. veswaria, Oxalis di- 
chondrefolia, Prunus Caroliniana, Xanthoxylum Fagara, Cle- 
matis Drummondii and others. 
Botanical Survey of Nebraska. Report on Collections made in 189 
(bp. 46, Univ. Neb. 1893). : 
This pamphlet contains (1) Flora of the Sand Hill Region of 
Sheridan and Cherry Counties, and List of Plants collected on 
a Journey through the Sand Hills in July and August, 1892, by 
Jared G. Smith and Roscoe Pound, including sixteen plants new 
