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A revision of the genus Mitella elc. 



391 



and varies from almost spherical to short top-shaped, or much flattened. 

 The styles vary from tapering cylindrical and ascending to clup-shaped 

 and strongly spreading, but in no case do they bear any close resemblance 



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Vig- 3. Petals in the Sect. Kumitelki. a M. diphylla, b M. staurapetala, c and d 

 M. stmiropetala var. stenopetala, e am! f M. trifida, g, g^ and g^ M. Irifida var. 



violacea, h and A* J/, diversifolia. X < ''■ 



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P'g-*. Petals in the Sect. Mitellastra. a M. nuda, b M. caniesccm, c M. Brewer i 



d M. ovalis, e M. pentandra, f M. pauciflora, g M. japomea. X ^ 0. 



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