PLATE XI. 



Fig. 1. — Ginachyra vertex var. monticularis, two porocalycal monticules (x 10). 



Fig. 2. — One, ditto clarified and lightly stained ( X 20). 



Fig. 3. — Vertical section of a monticule (x 20). 



Fig. 4. — Craniella leptoderma (Sollaa), nat. size, p. 4. 



Fig. .5. — A smaller specimen of the same, nat. size. 



Fig. G. — Tangential section of surface (x 100). 



Fig. 7. — Vertical section (x 15). 



Fig. 8. — Cortical oxea (x 100). 



Fig. 9. — Anatriaene (x 100). 



Fig. 10. — Another kind of anatriaene ( x 100). 



Fig. 11. — A third kind of anatriaene (x 100). 



Fig. 12. — Distal end of protriaene from root-tuft (x 100). 



Fig. 13.— Trichodal protriaene (x 100). 



Fig. 14.— Sigmata (x 700) ; 14a, the same (x 1400). 



