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. 



SOME LICHENS FROM THE AMERICAN 

 TROPICS COLLECTED BY WM. R. TAYLOR 



By JOYCE HEDRICK 



