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F[G. 43. — The loose hymenium of the Armillaria Sub-type. A and R, surface views 

 of two areas of the hynienium of Amanita rubescens in the middle of the spore- discharge 

 period, showing spores. C and D, two similar areas for Amanitopsis vaginata. In A : at a, 

 a basidium which has discharged its first spore ; at b and c, two basidia with nearly ripe spores ; 

 at d, half-grown spores ; at e, very rudimentary spores ; at /, four sterigmata about to develop 

 spores. In B : at a, a basidium which has just discharged two of its spores ; at b, four 

 sterigmata about to develop spores. In C : at a and b, nearly ripe spores ; at c, d, e, successively 

 younger spores ; at/, a basidium with three spores only. In D : at a, a basidium which has 

 just shot away two of its spores ; at 6, a basidium which has just shot away its first spore; 

 at c and d, basidia with nearly ripe spores ; at e, a basidium with spores almost of full size ; 

 at/, a basidium just beginning to develop spores. Magnification, 330. 



