. Dedication papers : scientific papers presented at the dedication of the laboratory building and plant houses, April 19-21, 1917. e char-acters, first accurately pointed out by Kjellman, do not offer a properbasis for subgeneric groupings of species as supposed by him, butmerely distinguish the sexual and tetrasporic phases in the life-cycleof a single species. Since reading and publishing the short paper to which reference ^ Structural dimorphism 01 sexual and tetrasporic plants of Galaxaura Torrey Club 43: 621-624. o Ja 1917. 2 Kjellman, F. R. Om Floride-slagtet Galaxaura,
. Dedication papers : scientific papers presented at the dedication of the laboratory building and plant houses, April 19-21, 1917. e char-acters, first accurately pointed out by Kjellman, do not offer a properbasis for subgeneric groupings of species as supposed by him, butmerely distinguish the sexual and tetrasporic phases in the life-cycleof a single species. Since reading and publishing the short paper to which reference ^ Structural dimorphism 01 sexual and tetrasporic plants of Galaxaura Torrey Club 43: 621-624. o Ja 1917. 2 Kjellman, F. R. Om Floride-slagtet Galaxaura, dess organografi och sys-tematik. Kongl. Sv. Handl. 33: 1-109. pi. 1-26. 1900. 14 191 192 BROOKLYN BOTANIC GARDEN MEMOIRS has been made, the writer has been investigating some of the othersections of Galaxaura as proposed or recognized by Kjellman in hismonograph of the genus and as accepted without question by writerson the red algae during the past seventeen years, and grounds havebeen found for beheving that a similar relation exists between severalother pairs of groups hitherto considered to be independent. The. Fig. I. Cortex of a tetrasporic plant of Galaxaura marginata (Ell. & Soland.)Lamour , in section, illustrating the cortex structure of the section Brachycladia;enlarged about 210 diameters. (After Bprgesen.) Fig. 2. Cortex of antheridial plant of Gdlaxaura marginaia (Ell. & Soland.)Lamour., in section, illustrating the cortex structure of Kjellmans section Vepre-culae, enlarged about 300 diameters. (After B0rgesen, under name Galaxautaoccidentalis B0rg.) Fig. 3. Figures showing the essentially free filaments, short and long (basesonly of the long), constituting the cortex of Galaxaura flagellifornns Kjellm., andillustrating the cortex structure of Kjellmans section Rhodura; enlarged about154 diameters. (After Kjellman.) Fig. 4. Cortex of Galaxaura squalida Kjellm., in section, illustrating the cortexstructure of the section Microthoe; enlarged 210 diamete
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectplants, bookyear1918
