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 6

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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 6

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4 of cells in which there is little or no differentiation to form a midrib. The stems are bilateral, showing two distinct surfaces, the upper or dorsal and the under or ventral. From the under surface, unicellular root hairs (rhizoids) grow out and attach the plant to the ground or other support. Their mode of growth is always from an apical cell. In the lower forms the branching is dichotomous; in the higher it is lateral or monopodial. In some of the higher forms, as for instance in the Jungermaniacae, the ends of the branches are erect and the plants are therefore often mistaken for lichens, but may be readily distin--