415 
Prof. George F. Atkinson presented a paper as a contribution 
to the knowledge of North American phycophilous fungi. 
Mr. Arthur Hollick exhibited a series of plates illustrating the 
fossil leaves of Liriodendropsis, contrasting them with the stages of 
development of the leaves in Lirtodendron, showing that there is a 
parallelism between the shapes of the earliest rudimentary leaves 
of the living species with that of the development of the fossil 
ones. 
Prof. Roland Thaxter exhibited the plates of a monograph on 
the Laboulbeniaceae which he is preparing, explaining the struc- 
ture of these minute fungi, which grow on living insects, and de- 
Scribing several new genera and species. He also made a few 
remarks on the phycomycetous fungi, and showed diagrams of 
one new genus and species. 
Mr. F. V. Coville gave a brief abstract of his revision of the 
genus Funcus, subdividing it into subgenera, and recognizing 
seventy-six species in North America. 
Prof. Chas. R. Barnes made remarks on a revision of the genus 
Dicranum which he is preparing, with the assistance of Mr. Rod- 
ney H. True, recognizing thirty-three North American species, 
and explaining his reasons for rejecting several recently described. 
Index to recent Literature relating to American Botany. 
Anderson, A. P. The Grand Period of Growth in a Fruit of Cucur- 
bita Pepo, determined by Weight. Bull. Geol. Nat. Hist. Surv. Minn. 
9! 238-279. pl. rz7-20. 5 Mr. 1895. 
Bessey, C. E. A Protest against the ‘‘ Rochester Rules.” Am. Nat. 
29: 666-668. Jl. 1895. 
Opposes the Harvard herbarium recommendations. 
Bessey, C. E. Progress of the Botanical Survey of Nebraska. Am. 
Nat. 29: 580-582. Je. 1895. 
Bolander, H. N. Anew Erythronium, Eryth. 3: 127. 15 Au. 1895. 
Erythronium Fohnsonii from southern Oregon. 
Coulter, J. M. and Rose, J. N. Deanea, a new Genus of Umbelli- 
ferae from Mexico. Bot. Gaz. 20: 372. f/ 27- 15 Au. 1895. 
