The Algae

algae algal antheridia antherozoids apex apical cell aplanospores appear arise Ascophyllum Asexual reproduction auxiliary cell basal belt biflagellate carpogonial branch carpogonium cell wall Chlorophyceae chloroplast coast colony composed conceptacles cortex cortical cycle diatoms dioecious diploid divide Enteromorpha epiphytes factor female fertilization filaments flagella flora formation Fritsch frond Fucales fucoids Fucus gametes gametophyte gelatinous genera genus germination give rise growing growth hairs haploid heterotrichous Hormosira hyphae intercalary known Laminaria later layer littoral Macrocystis male mature meiosis morphological motile mucilage Myxophyceae normally nucleus occur Oltmanns oogonia oogonium organs Phaeophyceae photosynthesis phyceae plants plurilocular sporangia Porphyra portion possess present primitive produced pyrenoids rhizoids Rhodophyceae salt marshes Sexual reproduction sheath Siphonales soil species sporangia sporangium spores sporophyte stage stipe structure swarmers takes place temperature tetraspores thallus threads tion transverse Ulothrix Ulva unilocular sporangia vegetative vesicle whilst zone zooids zoospores zygote