LEPTO MIT ALES 



875 



Fig. 69. Leptomitaceae 



A-B. Leptomitus lacteus (Roth) Agardh: A, portion of plant three of whose 

 segments have discharged their zoospores; latter have encysted; B, zoospores 

 after treatment with iodine. C. Sex organs of Apodachlya brachynema (Hil- 

 debrand) Pringsheim. D. Sex organs of Apodachlya minima Coker and 

 Leitner. E. Apodachlya pyrifera Zopf, portion of plant with encysted 

 zoospores at orifices of sporangia. F. Apodachlyella completa (Humphrey) 

 Indoh, sex organs. G-H. Oospore of Apodachlya punctata Minden: G, optical 

 section, showing structure of wall; H, surface view, showing punctations 

 (drawn from a photomicrograph). I-K. Apodachlya brachynema (Hildebrand) 

 Pringsheim: /, primary, apically biflagellate zoospore; /, secondary zoospore 



