EXPLANATION OF PLATE V 



Physarum morloni Macbr. 



Figs. 72, 73. Habit, X 10; spore, X 1200. 



Physarum albo-luteum Macbr. & Mart. 



Figs. 74, 75. Habit, X 10; spore, X 1200. 



Physarum globulifcrum (Bull.) Pers. 



Figs. 76, 77, 78. Habit, X 10; section of a sporangium, X 30; spore, X 1200. 



Physarum murinum List. 



Figs. 79, 80. Habit, X 10; spore, X 1200. 



Physarum pulcherripes Peck 



Figs. 81, 82. Habit, X 10; spore, X 1200. 



Physarum pulcherrimum Berk. & Rav. 



Figs. 83, 84. Habit, X 10; spore, X 1200. 



Physarum nuclealum Rex 



Figs. 85, 86, 87. Habit, X 10; section of a sporangium, X 30; spore, X 1200. 



Physarum didermoides (Ach.) Rost. 



Figs. 88, 89, 90. Habit, X 10; section of a sporangium, X 30; spore, X 1200. 



Physarum ivingatense Macbr. 



Figs. 91, 92. Habit, X 10; spore, X 1200. 



Physarum comprcssum Alb. & Schw. 



Figs. 93, 94, 95. Spore, X 1200; section of a sporangium, X 30; habit, X 10. 



Physarum pslttacinum Ditm. 



Figs. 96, 97. Habit, X 10; spore, X 1200. 



Physarum leucophaum Fr. 



Figs. 98, 99. Habit, X 10; spore, X 1200. 



Physarum leucopus Link 



Fig. 100. Spore, X 1200. 



