English: Transcription from original text: "A-B. Sorodiscus karlingii Cook in Chara: A, two of a whorl of leaves showing strongly hypertrophied corticating cells on each leaf; B, sorus of resting spores composed of approximately two hundred cells. C-D. Sorodiscus cokeri Goldie-Smith in Pythium: C, two convex cystosori; D, discharging sorus of zoosporangia, the zoospores passing from inner to outer sporangia and thence through pores to the outside, the zoospores undergoing amoeboid change of shape before swimming away; the zoospore body bears a contractile vacuole, scattered droplets, and a long refractive body. E-H. Woronina pythii Goldie-Smith in Pythium proliferum: E, young zoosporangial sorus; F, zoosporangial sorus, one sporangium of which has a swollen exit tube; G, mature zoosporangial sorus with peripheral refractive residual host material; H, mature cystosorus. (A-B after Karling, 1928; C-D after Goldie-Smith, 1951; E-H after Goldie-Smith, 1956)