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 44

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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 44

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[page]42.[/page] margin of new shoots of the season. PL.X. fig. 2. & PL. 12. fig. 2., and are in all respects similar to those of the preceding species. The spermatozoids are a little larger than those of M. polymorpha, and are exceedingly active. PL. XII. The archegonia are borne in sessile disks not unlike the antheridial disks, and like them appear near the apical points at the anterior margins of new shoots. The part of the thallus immediately surrounding the disk grows up to form a scaly involucse. After fertilization a conical carpocephalum developes and covers the suspended archegonia of which there are usually five. The sporogonia are ovate, short-stalked bodies, and when