Abstract
1. The morphology and vascular anatomy of the inflorescence shows that the so-called umbel of Samadera indica is a condensed thyrsoid inflorescence. 2. The flowers of S. indica and S. lucida are pedicellate, bracteate, actinomorphic, dichlamydous, bisexual, hypogynous, and tetramerous. The vascular anatomy of the two species is similar. Each sepal has a gland on the dorsal side. The sepal laterals arise commissurally. The petal is a single-trace organ. 3. The stamens are in two whorls of four each. Anatomically there is no indication of obdiplostemony. Each stamen has a bilobed scale at the base of the filament which is interpreted to be stipular in nature. A single trace enters the filament of each stamen and becomes siphonostelic. The filament is considered to correspond to a petiole. 4. The vascular supply to the disk occurs on radii alternating with the carpellary supply. The disk breaks up into four lobes, each lobe alternating with the antepetalous free carpels. The disk is considered to be a modifi...
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