365 
CONTRIBUTIONS TO THE MOSS-FLORA OF THE 
ATLANTIC ISLANDS. 
By H. N. Drxon, M.A., F.L.S. 
(Puate 499, Fias. 5-7.) 
IT. Maperra. 
A COLLECTION of mosses made in Madeira by Miss Eleonora 
Armitage : the early months of 1909 was entrusted to me for 
be seen, yielded several interesting additions to the flora of the 
*PleuridiumsubulatumRabenh. Weisia calearea C. M. var. 
nuute 
*Dicranella heteromalla Schp. utica Boul. 
Dicranella canariensis Bryhn  Trichostomum mutabile var. 
Fissidens incurvus Starke littorale Dixon 
Fissidens atlanticus Ren. & Trichostomum flavovirens 
Card. ruch 
Grimmia trichophylla var. Orthotrichum Lyellii Hook. & 
meridionalis Schp. ayl. 
Grimmia azorica Ren. & Card. Brywm capillare L. 
Barbula cylindrica Schp. Bryum erythrocarpum Schwaeg. 
*Weisia crispata C. M. Brachytheciumrutabulum B.&S. 
Weisia calcarea C. M. Eurhynchium circinatumB. & 8. 
have to thank M. Cardot for very kind assistance given in 
the determination of certain critical plants. 
Miss Armitage has been so good as to furnish the following 
topographical notes, which will be found to supplement the list 
of localities in a very valuable way :— 
“During my stay in Madeira, from January 6 to March 16 
this year (1909), 1 tried to explore parts of the island for 
n 
six miles from the sea, the sides being deeply seamed with pre- 
cipitous ravines. Much of 
accessible, and all difficult. 
mean annual rainfall of Madeira is 30 inches, most of 
JournaL or Borany.—Vot. 47. (Oct. 1909.} 25 
