Carpenter, William Benjamin, 1813-1885, Dallinger, W. H. (William Henry), 1842-1909 · Philadelphia, Blakiston · leaf 537
ut which may be strongly suspectedto be merely a four-celled variety of B and C. Many similar casesmight be cited ; and the Author would strongly urge those micro-scopists who have the requisite time and opportunities, to applythemselves to the determination of the real species of these groupsby… … D, P. pert us it m ; E, empty frond of P. granulatum. varieties are diffused by the process of binary subdivision amongstvast multitudes of so-called individuals. Thus it happens that, asMr. Balfs has remarked, one pool may abound with individuals ofStaurastrum dejectum or Arthrodesrnus incus…
Microscopy
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