Elements of Structural and Systematic Botany For High Schools and Elementary College Courses
CHAPTER XIX.--CLASSIFICATION OF DICOTYLEDONS
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_Sympetalæ_: _Isocarpæ_, _Bicornes_, _Primulinæ_, _Diospyrinæ_; _Anisocarpæ_, _Tubifloræ_, _Labiatifloræ_, _Contortæ_, _Campanulinæ_, _Aggregatæ_.