In some instances these differences are so marked that they have led some botanists to regard as distinct species many forms usually esteemed by others as varieties only.
Mr Charles Green was commissioned to conduct the astronomical observations, and Sir Joseph Banks and Dr Solander were appointed botanists to the expedition.
The early histological researches of botanists led them to the recognition of the vegetable cell, and the leading writers in the middle of the ~9th century pointed out the probable identity of Von Mohls protopiarm with the sarcode of zoologists.
There is at present also a want of agreement among botanists as to the path which the water takes in the structural elements of the tree, two views being held.
Baeyers hypothesis was entertained by botanists partly because it explained the gaseous interchanges accompanying photosynthesis.
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