336 _ THE PLANT PHYLA 
Order ENTOMOPHTHORALES. Non-aquatic; mostly para- 
sitic in insects; without zoospores. 
Family 17. Entomophthoraceae. Fly Fungi.—Ento- 
mophithora. 
Class9. BRYOPSIDOIDEAE. Higher Tube Algae. Globu- 
lar to stipitate or dendroid, septate or 
continuous. (Sp. about 460.) 
Order VALONIALES. Globular coenocytes to compound 
septate plants. Isogamic. 
Family 18. Botrydiaceae. Little Bladder Algae. 
Minute, globular, terrestrial green 
plants.—Botrydium, Protosiphon. 
Family 19. Chytridiaceae. Minute, globular, endo- 
phytic, colorless plants. —Chytri- 
dium. 
- Family 20. Valoniaceae. Large Bladder Algae. Large, 
usually septate, marine plants.— 
Valonia, Struvea, Halicystis. 
Order DAasycLaDALES. Regularly branched, non-septate, 
marine plants. Mostly isogamic. 
Family 21. Derbesiaceae. 
Family 22. Bryopsidaceae. Sea Ferns. Dendroid, 
erect, pinnately branched.—Bryopsis. 
Family 23. Caulerpaceae. 
Family 24. Dasycladaceae. Erect with whorled 
- branches.—Dasycladus, Acetabularia. 
Order CHARALES. The Stoneworts. Erect, rooted, sep- 
tate, dendroid, with whorled branches, 
heterogamic, antherids compound. 
(Sp. about 160.) 
Family 25. Nitellaceae. Oogone crown of ten cells.— 
Nitella, Tolypella. 
Family 26. Characeae. Oogone crown of five cells.— 
Chara, Lamprothamnus. 
Phylum V. PHAEOPHYCEAE. The Brown Algae 
Brown-green filamentous to large, massive plants, marine 
Class 10. PHAEOSPOREAE. Kelps. Reproductive organs 
external, isogamic to heterogamic. 
(Sp. about 550.) 
