136] 



The Classification of Lower Organisms 



Fig. 26. — Ascomycetes: a-k, Lachnca scutellata after Brown (1911) x 1,000; 

 a, b, formation of crozicr; C, karyogamy; d, fusion nucleus; e-i, stages of mciosis; 

 j, k, early stages of free cell formation. 1, Apothecia x 2, and m, ascus x 250, of 

 Lamprospora leiocarpa. n, Apothecia x 2, and O, ascus x 250, of Aleuria rutilans. 

 V, Apothecia of Sclcrotinia cinerea x 2. q, Fruit x 1, and r, ascus x 250, of Mor- 

 chella conica. s-x, Taphrina deformans after Martin (1940) x 1,000; s, growth on 

 surface of an infected leaf; t, karyogamy; u, mitosis; V, homeotypic anaphase in the 

 ascus; w^ development of ascospores; x^ germination. 



