VJii INTRODUCTION 



Nectria Lantanae Seaver (p. 485) 



Hirneola coffeicolor Berkeley (p. 488) 



Marasmius bermudensis Berkeley ( p. 488 ) 



Marasmius praedecurrens Murrill (p. 488) 



Marasmius Sabali Berkeley (p. 488) 



Pleurotopsis niduliformis Murrill (p. 488) 



Tyromyees graminicola Murrill (p. 488) 



Agaricus alphitophorus Berkeley (p. 488) 



Agaricus helictus Berkeley (p. 488) 



Boodlea struveoides M. A. Howe (p. 496) 



Cladophora Howei Collins (p. 497) 



Chaetomorpha minima Collins & Hervey (p. 498) 



Trichogloea Herveyi Setehell (p. 511) 



Nitophyllum Wilkinsoniae Collins & Hervey (p. 517) 



Chondria curvilineata Collins & Hervey (p. 519) 



Chondria polyrhiza Collins & Hervey (p. 520) 



Lophosiphonia Saccorhiza Collins & Hervey (p. 521) 



Dasya Collinsiana M. A. Howe (p. 524) 



Dasya spinuligera Collins & Hervey (p. 525) 



Ptilothamnion bipinnatum (Collins & Hervey) M. A. Howe 

 (p. 525) 



Spermathamnion macromeres Collins & Hervey (p. 526) 



Callithamnion Herveyi M. A. Howe (p. 528) 



Seirospora purpurea M. A. Howe (p. 529) 



Ceramium leptozonum M. A. Howe (p. 531) 



Halymenia bermudensis Collins & Howe (p. 533) 



Halymenia pseudofloresia Collins & Howe (p. 533) 



Halymenia eehinophysa Collins & Howe (p. 533) 



Dudresnaya crassa M. A. Howe (p. 534) 



Dudresnaya bermudensis Setehell (p. 535) 



Nemastoma gelatinosum M. A. Howe (p. 536) 



Melobesia bermudensis Foslie (p. 538) 



The number of native species known, those that have reached Bermuda 

 independently of human activities, at least here so regarded, and have per- 

 petuated themselves, including the foregoing list of endemics, is as follows: 



Species 



Flowering plants 146 



Ferns and fern allies 19 



Mosses and hepatics 51 



Lichens 80 



Algae 238 



Fungi at least 175 



Total . 709 



