Bingley's practical introduction to botany. Illustrated by references under each definition to plants of easy access, and by numerous figures, comprising also a glossary of botanic terms : with some account of the history of the science / by John Frost.

  • William Bingley
Date:
1831
Catalogue details

Licence: Public Domain Mark

Credit: Bingley's practical introduction to botany. Illustrated by references under each definition to plants of easy access, and by numerous figures, comprising also a glossary of botanic terms : with some account of the history of the science / by John Frost. Source: Wellcome Collection.

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    II. The Leaves are organs which answer the office of lungs, by expiring and inspiring air and water. For this purpose their surface is full of minute pores or holes . . 73 They are, 1. Simple, 2. Compound, 3. Determinate. Simple leaves are such as have only a single leaf on the petiole or leaf-stalk . . ^4, They are extremely various in shape and appearance. Orbiculate, or round [32] 75 Subrotund, or roundish, when the shape is nearly circular, as in salix reticulata [33] 76 Ovate, or egg-shaped, when the length is somewhat greater than the breadth, and the base rounded and wider than the other end as m water pimpernel (samolus valerandi) [34]'77 Obovate, of the same figure with the broad- £ end uppermost, as in primrose and daisy Oval, or elliptic, of similar form to ovate and subovate, with the exception of fc being of equal breadth at each end [36] . . 79