LYCOPODIINAE 



79 



Fig. 60. Selaginella. I. S. pumila (Schlecht.) Spring Plant from Mowbray. 

 2. S. rupestris L. Plant from Warmbad (Transvaal). 3. S. selaginoid.es (L.) Link 

 Sporophyll with sporangium. 4-6. S. lepidophylla (Hook. & Grev.) Spring 

 4, 5. Microspores. 6. Macrospore. 7, 8. S. Kraussiana (Kze,) A. Br. 7. Micro- 

 spore. 8. J 1 gametophyte (microspore with rudimentary prothallium). 9. S. Martensii 

 Spring °. gametophyte, within the macrospore. (1 and 2 from nature, 3-9 from 

 Engler and Prantl) 



Fig. 61. Isoetes. 1-3. /. natalense Bak. Plant, the sporangia shining through the leaves. 

 2. Base of fertile leaf. 3. Microspore. 4. /. lacustre L. Long, section of a fertile 

 (</) leaf. 5-7. /. setaceum Bosc. ^ gametophyte. 8. /. MaBnvernianum 

 Cesati & De Not. Spermatozoid. 9, 10. /. lacustre L. Macrospore and gameto- 

 phyte. (1-3 from nature, 4-10 from Engler and Prantl) 



