Excerpt from The Genus Diospyros in Ceylon, Vol. 1: Its Morphology, Anatomy, and Taxonomy
Diospyros is the largest and most important genus of the Ebenace?, and since most papers dealing with this order contain a description of many of our species, it is necessary to trace the history of the literature on the whole subject to gain a better grasp of the general bearing of the particular species with which we are concerned.
The accumulation of knowledge regarding the Ebenace? has not been rapid, probably on account of the difficulty of obtaining representative material of a natural order so widely spread, and also in virtue of the comparatively unattractive nature of this group of plants. Though in 1753 Linnasus published the names of a few species, no work of a representative kind was published until that of Hiern in 1873. During that interval the work consisted mainly of collecting and describing species, remarking on fossil forms and affinities, and discussing the ebony yielded by this group of plants.
It was not until the latter part of the nineteenth century that any internal characters were used for systematic purposes, but since that time the majority of contributions have dealt extensively with the internal or microscopical construction of the vegetative parts. The only lines of study which have hitherto been neglected are those connected with the development and anatomy of the embryos and seedlings.
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