THE ALGAK OF BEEMUDA. 



191 



tridens, 59. 

 forma gracilis, 60. 

 forma tripartita, 69. 



Tuna, 59. 

 Halymenia, 148. 



Agardhii, 9, 149. 



bermudensis, 8, 11, 39, 148, 152. 



cyclocolpa, 151. 



decipiens, 148. 



echinophysa, 149. 



pseudofloresia, 11, 71, 149. 

 Hapalosiphon, 26. 



intricatus, 26. 

 Haplospora Vidovichii, 77. 

 Hassallia, 26. 



byssoidea, 26. 

 Helminthiopsis verticillifera, 151. 

 Helminthocladia, 98. 



calvadosii, 10, 70, 71, 97, 98. 



divaricata, 98. 



purpurea, 98. 

 Helminthocladiaceae, 96. 

 Helminihora divaricata, 98. 

 Herpochondria, 122. 

 Herposiphonia, 125. 



pecten-veneris, 126. 



seounda, 126. 



tenella, 126. 

 Heterospora, 77. 



Vidovichii, 9, 77. 

 Heterosiphonia, 131. 



Wurdemamii, 131. 

 Himanthalia, 78. 

 Hormoceras pygmaeum, 144. 

 Hormospora geminella, 35. 



scalariformis, 32. 

 Hormothamnion, 24. 



convolutum, 24. 

 Hormotrichumbermudianum, 32. 

 Hutchinsia obscura, 128. 



opaca, 124. 



periclados, 125. 



secunda, 126. 



tenella, 126. 

 Hydrococcus marinus, 16. 

 Hyella, 17. 



caespitosa, 17. 

 Hydroclathrus, 73. 



cancellatus, 12, 73. 

 Hydroooleum, 23. 



comoides, 23. 



glutinosum, 23. 



lyngbyaceum, 23. 

 var. rupestre, 23. 

 Hypnea, 111. 



cervicornis, 112. 



comuta, 113. 

 musoiformis, 9, 112, 143. 

 spinella, 112. 

 Hypoglossum, 116. 

 bjrpoglossoides, 116. 

 Woodwardi, 116. 



Kallymenia, 105. 

 perforata, 12, 105. 

 reniformis, 149. 



Laureneia, 117. 



cervicornis, 118, 134. 



dasyphylla, 119, 121. 



gemmifera, 118. 



implicaia, 118, 120. 



intricata, 119. 



obtusa, 119. 

 var. gelatinosa, 119. 

 var. gracilis, 119. 



paniculata, 120. 



papillosa, 118. 



perforata, 118. 



Poitei, 118. 



setacea, 119. 



tuberculosa, 118. 

 Leibleinia, 21. 

 Liagora, 99. 



corymbosa, 99. 



dubia, 101. 



elongata, 97, 99. 



pectinata, 100. 



pulverulenta, 100. 



valida, 99. 

 Lomentaria, 115. 



unoinata, 116. 



var. filiformis, 115. 

 Lophosiphonia, 126. 



bermudensis, 126. 



obscura, 128. 



Saccorhiza, 9, 127. 



subadunca, 127. 

 Lyngbya, 21. 



confervoides, 18, 21, 39. 



Lagerheimii, 22. 



lutea, 22. 



majuscula, 21. 



Meneghiniana, 18, 21. 



semiplena, 22. 



Mastigocoleus, 26. 



testarum, 26. 

 Merismopedium, 16. 



convolutum, 16. 



glaucum, 16. 

 Meristotheoa, 106. 



