GLOSSARY. 329 



Conceptacle, a case containing spores. 



Ceramidium, a conceptacle of an ovate form, con- 

 taining tufts of spores, as in Polysiphoriia, 



Coccidium, a sphere-shaped conceptacle, containing" 

 tufts of spores, as seen in Nitophyllum. 



Favellse, berry-hke receptacles containing spores, as 

 in Callithamnion, 



Favellidia, round masses of spores immersed, or 

 partly so, in the substance of the frond, as seen in 

 Iridcea, 



Nemathecia, wart-like protuberances, composed of 

 vertical filaments closely packed together. 



Silicules, little pod-like bodies, containing spores. 



Sorus, sori — clusters of spores. 



Stichidia, pod-like receptacles containing tetraspores, 

 — found on Mliodomela. 



Tubeixjle, the same as coccidium. 



Antheridia, small cells, filled with very minute viva- 

 cious granules, supposed to be the representatives 

 in the algae of the anthers of flowering plants. 



Diaecious, having antheridia and spores on distinct 

 roots. 



