THE ALGAE OF BEEMUDA. 



195 



tricostata, 12, 79. 



Udotea, 58. 



conglutinata, 12, 58. 



flabellum, 10, 11, 58. 

 Ulothrichaceae, 31. 

 Ulothrix subtilis, 32. 

 Ulva, 34. 



atropurpurea, 94. 



decorticata, 55. 



dichotoma, 89. 



fasciata, 35. 



Lactuoa, 31, 34, 35, 38. 

 var. latissima, 34. 

 var. rigida, 36. 



latissima, 34. 



linza, 34. 



lubrica,'30. 



Mertensii, 92. 



prolifera, 33. 



rigida, 35. 



Schroederi, 84. 



sinuosa, 73. 



stellata, 50. 

 Ulvaoeae, 32. 

 Urocooous, 40. 



insignis, 40. 



Valonia, 50. 

 confervoides, 61. 

 favulosa, 50. 



maorophyaa, 8, 61, 114. 



pachynema, 61. 



utriculosa, 61. 

 forma Crustacea, 61. 



ventricosa, 51. 



verticillata, 52. 

 Valoniaceae, 50. 

 Vaucheria, 66. 



marina, 62. 



sphaerospora, 66. 

 Vaucheriaoeae, 66. 

 Volvocaceae, 30. 



Wrangelia, 103. 



penicillata, 9, 25, 103. 

 Wrightiella, 125. 



Blodgettii, 10, 12, 125, 136. 



Tumanowiczi, 125. 

 Wurdemannia, 104. 



setacea, 104. 



Xenococcus, 18. 

 Schousboei, 18. 

 var. pallida, 18. 



Zonaria, 85. 



gymnospora, 87. 



linearis, 89. 



lobata, 12, 85, 97. 



variegata, 86, 87, 146. 

 Zygnemaceae, 30. 



