— 32 — 
Unfortunately Brown’s drawings and descriptions have left much to be 
desired and his herbarium is found to be very imperfect, many of the types even 
being missing, so that Dixon’s task is no small one. Dixon says: “That the 
botanical work of a man of such enthusiasm, so true a lover of nature’s works, 
so indefatigable and unsparing of himself in their pursuit, should stand in danger 
of being lost to science would be deplorable. I c is in the hope of rescuing some 
parts at least from oblivion that I have undertaken these papers.” 
The two Parts thus far published deal entirely with genera of the Dicran- 
aceae , there being full keys to the genera, and many of the species being illustrated 
on the six plates. Five new species are published in Dicranoloma , and one each 
in Pleuridium and Dicranella. These papers will prove of great value to all 
who wish to know of the mosses of New Zealand, or indeed of the whole South- 
ern Hemisphere, for many of the species are widely distributed. Further papers 
will be awaited with much interest. — 0 . E. J. 
Number of Species of Mosses Known. — 
It is very difficult to give an exact statement in regard to the number of 
known species of mosses in the world. Paris, in the second edition of the Index 
Bryologicus, enumerates 14,067 species, of which 1419 are given for America 
north of Mexico. This was in 1900. I doubt if it is far wrong today, for many 
of the species listed are only synonyms and these reductions are balanced by new 
descriptions. In round numbers I should say we have 1500 species of mosses 
in America north of Mexico, including good, bad, and indifferent ones. In the 
United States alone I dare not say, but “guess” 1000-1200. 
E. B. Chamberlain. 
SULLIVANT MOSS SOCIETY NOTES 
Members of the Sullivant Moss Society will be pained to learn of the death, 
on December 31, last, of Dr. A. F. K. Krout, of Glenolden, Penna., for twelve 
years a member of the society. Dr. Krout was especially interested in the study 
of hepatics, and was instrumental in interesting many of his botanical friends 
in them. 
EXCHANGE DEPARTMENT 
Offerings to S. M. S. Members for stamped self-addressed envelope: 
Mr. Edward B. Chamberlain, 18 West 89th St., New York City. — Campto- 
chaete arbuscula (Hook. f. & Wils.) Jaeg., collected in New Zealand. 
Rev. H. Dupret, Seminary of Philosophy, Montreal, Canada. — Drepano- 
■cladus aduncus var. aquaticus Sanio, collected near Montreal. 
Mr. Severin Rapp, Sanford, Fla. — Frullania Rappii Evans, F. cobrensis 
Gottsche, and F. Kunzei Lehm. & Lindenb., collected at Sanford, Florida. 
Mr. C. C. Plitt, 3933 Lowndes Ave., Baltimore, Md. — Cetraria Oakesiana 
Tuck. 
Dr. H. E. Hasse, Santa Monica, CaA.—Rinodina succedens Nyl. Collected 
in California. 
