1922] RAMSEY—BASISPORIUM 327 
Fics. 1-~11.—Fig. 1, sporophore bearing three slightly immature spores; fig. 2, 
mature spore; fig. 3, microtome section through mature spore showing thickness of 
opaque wall; fig. 4, large hypha on surface of agar plate bearing two young fertile 
hyphae; fig. 5, showing method of branching and spore formation at tips of fertile 
aerial hyphae; fig. 6, large sterile mycelium taken from pulp of infected tomato; 
figs. 7-9, spores germinated at room temperature in freshly expressed juice of ripe 
tomatoes; fig. 10, showing hourly growth of germinating spores in Standard Nutrient 
Salt Solution, at room temperature; fig. 11, spore germinated in sterile distilled water 
at room temperature. (All drawings made with the aid of a camera lucida.) 
