1900] BRIEFER ARTICLES 405 
II. THE PRINCIPAL SCIENTIFIC PAPERS. 
_ About thirty original contributions were presented by their authors, 
and gave rise to more or less discussion. The papers were as follows: 
M. BonDiER on the influence of the soil and vegetation on the devel- 
opment of mushrooms; M. DANGEaRD on the present status of knowl- 
edge concerning reproduction among the higher mushrooms; M. R. 
Marre on the behavior of the nucleus among mushrooms; Dr. C. B. 
PLowRIGHT and ProrEssor Macunus on the biology of the Uredinez ; 
MM. Cuopar and Rapais on the pure culture of alge; M. CHopat 
on the reactions of the nucleus to parasitism and symbiosis. 
The flora of central Africa was discussed by MM. pr WiLpEMan, 
Hua, and A. CHEVALIER, and contrasted with that of the Amazon 
fegion, as described by M. Huser. M. E. J. Camus discussed the 
flora of Morocco, and Dr. N. L. Brirron gave new and interesting 
facts concerning the flora of the Klondike. 
The physiological and anatomical papers were by MM. Hocurev- 
TINER, GERBER, and Gipon; while M. MarTeL presented studies on 
Cruciflorae, M. BEILLE on Disciflorae, M. DuTAaILLy on Geum, and M. 
CLos on bracts, sepals, petals, stipules, etc. 
_M. Anycet Ga.tarpo spoke highly of the employment of the 
Statistical method in the study of variation; while M. Huco DE VRIES 
_ Spoke upon the general subject of variation in the plant kingdom. M. 
: A. DE ViILMORIN described a curious case of selection in Anthriscus 
_ Ylestris; MM. LiéveILLE and Hy spoke of hybrids; M. Krasan 
_ tteated of varieties, races, and forms; and M. Grior pointed out 
Modifications which appear in local floras. ; 
A discussion concerning the exchange of material among herbaria 
Was Participated in by MM. MouLLEFARIN, DRAKE DEL CASTILLO, 
and FLanautr, : 
_ The Congress varied the scientific conferences with visits to several 
“ollections and plantations. 
_ NOTES ON THE FLORA OF THE BANKS AND SOUNDS 
: AT BEAUFORT, N. C. 
THE coast of North Carolina near Beaufort, like most of | 
Atlantic coast from Long Island southward, is bordered by A wees 
, ow, sandy islands, or “banks,” separated from the mainlan is 
Shallow sounds from one to five miles wide. These banks vary in 
