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XXXI. — On the Leaves, Capsule and Boot of 

 JBuxbaumia aphylla. 



By Robert Kaye Greville, Esq, M. W. S. &c, 

 (Read 2d December 1820.^ 



Though so much has heen written respecting 

 this highly curious moss, and many excellent figures 

 of it published, there are several peculiarities in its 

 structure that have escaped the observation of my- 

 cologists, not even excepting the accurate Hooker ; 

 — a circumstance that can be owing to nothing but 

 its rarity. 



This singular plant is named after its discoverer, 

 the " modest Buxbaum," as Haller calls him. It 

 was found by him about the year 1712, on the 

 banks of the Wolga, near Astracan, and publish- 

 ed in his Centuria?, % p. 8. 1 4<.f. % Since which 

 time, the " Regina Muscorum" has been figu- 

 red and described, either as a moss or a fungus, 



