PLATE IV. 



Fig. I. Mopsea flava Nutting. Natural size. \a, part of branch X 5. 



Fig. 2. Mopsea alba Nutting. Natural size. 2a, branch X 5. 



Fig. 3. Peltastisis uniserialis Nutting. Natural size. 3a, part of stem X 5- 



Fig. 4. Peltastisis cornuta Nutting. Natural size. 4«, part of stem X 5. 



