DIY History | Transcribe | Scholarship at Iowa | A brief description of nine species of Hepaticae found in the vicinity of Iowa City by Mary F. Linder, 1886 | A brief description of nine species of Hepaticae found in the vicinity of Iowa City by Mary F. Linder, 1886, Page 32

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A brief description of nine species of Hepaticae found in the vicinity of Iowa City by Mary F. Linder, 1886

A brief description of nine species of Hepaticae found in the vicinity of Iowa City by Mary F. Linder, 1886, Page 32

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[page]30.[/page] -ed by vertical and transverse division of the cells, and retain their angular form until nearly ripe. They ripen gradually from the base of the antheridium upwards, become rounded and more or less free. Finally the wall is broken through at the apex and the cells escape into the surrounding moisture where their walls soon swell and break and the speratozoids are set free. PL. VIII. The latter are very small, thread like and provided with two slender threads of cilia by means of which they propel themselves through the water with great activity. The fertile receptacle is found to consist of a disk usually having nine rays between which eight rows of archegonia are fastened to the under side of the recepta-