Carpenter, William Benjamin, 1813-1885 · Philadelphia : Blakiston · leaf 474
illifffi Double Peristome of Bryumintermedium. … Double Peristome of CincUdiwnarcticum. objects of great interest and beauty for the Microscopist. Theperistome seems always to be originally double, one layer springingfrom the outer, and the other from the inner, of two layers of cellswhich may be always distinguished in the immature capsule 410…
Microscopy · Biology
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