RHODOPHYCEAE 339 



Family 16. Delessarieceae. Foliaceous. Delesseria, 

 Grinnellia, Nitophyllum. 



Family 17. Bonnemaisoniaceae. 



Family 18. Rhodomelaceae. Cylindrical, flattened, 

 to foliaceous. Polysiphonia, Rhodo- 

 mela, Dasya. 



Family 19. Ceramiaceae. Filiform, branched, com- 

 planate. Ceramium, Lejolisia, Pti- 

 lota. 



Order GIGARTINALES. Soft Red Seaweeds. Parenchyma- 

 tous plants; sporophores produced by 

 the nearby auxiliary cells branching 

 in the tissues. 



Family 20. Acrotylaceae. 



Family 21. Gigartinaceae. Erect or spreading, branch- 

 ing, cylindrical to flat plants. Chon- 

 drus, Gigartina, Callophyllis. 



Family 22. Rhodophyllidaceae. Erect, or spreading 

 branching, flat plants. Rhodophyllis 

 Rhabdonema. 



Order RHODYMENIALES. Higher Red Seaweeds. Filiform, 

 to foliaceous and massive plants; 

 sporophores produced by nearby aux- 

 iliary cells growing outward in plant 

 body. 



Family 23. Sphaerococcaceae. 



Family 24. Rhodymeniaceae. Filiform to foliaceous. 

 Rhodymenia, Plocamium. 



Phylum VII. CARPOMYCETEAE. The Higher Fungi 

 Terrestrial, chlorophyll-less, filamentous, parasites and sapro- 

 phytes, producing spore-fruits 



Class 15. ASCOSPOREAE. Ascus Fungi. Spore-fruits con- 

 taining one or more asci with asco- 

 spores. (Sp. about 29,000.) 



Order LABOULBENIALES. Beetle Fungi. Erect, minute, 

 few celled, bearing simple ascigerous 

 fruits. 



Family 1. Laboulbeniaceae. Parasitic on beetles. 

 Laboulbenia, Ceratomyces, Dicho- 

 myces. 



