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 26

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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 26

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[page]24.[/page] lenticular form, PL.VI. fig. 1. E. Meanwhile the lower cell remains unchanged and forms the supporting stem. This fragile one-celled stem is easily torn and the disks are set free and emptied from the cup by the growth of new disks below, or finally they may be washed out by the rain. The disk shaped bodies are called "gemmae". These are nearly circular in outline, PL.VII. fig. 2., and have two indentations usually one on each side, opposite one another. In each indentation two or three buds are found, which are protected by a few slender papillae, and are the points from which growth will take place. The cells composing the gemmae are most numerous at the center. They are all richly chlorophyll