REPORTS ON THE COLLECTIONS OBTAINED BY ALLAN HANCOCK PACIFIC EXPEDITIONS OF 



VELERO III OFF THE COAST OF MEXICO, CENTRAL AMERICA, SOUTH AMERICA, 



AND GALAPAGOS ISLANDS IN 1932, IN 1933, IN 1934, IN 1935, 



IN 1936, IN 1937, IN 1938, in 1939, in 1940, and in 1941 



THE BRYOPHYTA OF THE 

 ALLAN HANCOCK EXPEDITION OF 1939 



By WILLIAM CAMPBELL STEERE 





