THE ALGAE OF BERMUDA. 195 



tricostata, 12, 79. macrophysa, 8, 51, 114. 



pachynema, 51. 



Udotea, 58. utriculosa, 51. 



conglutinata, 12, 58. forma Crustacea, 51. 



flabellum, 10, 11, 58. ventricosa, 51. 



Ulothrichaceae, 31. verticillata, 52. 



Ulothrix subtilis, 32. Valoniaceae, 50. 



Ulva, 34. Vaucheria, 66. 



atropurpurea, 94. marina, 62. 



decorticata, 55. sphaerospora, 66. 



dichotoma, 89. Vaucheriaceae, 66. 



fasciata, 35. Volvocaceae, 30. 



Lactuca, 31,34, 35, 38. 



var. latissima, 34. Wrangelia, 103. 



var. rigida, 35. penicillata, 9, 25, 103. 



latissima, 34. Wrightiella, 125. 



lima, 34. Blodgettii, 10, 12, 125, 136. 



lubrica, 30. Tumanowiczi, 125. 



Mertensii, 92. Wurdemannia, 104. 



prolifera, 33. setacea, 104. 



rigida, 35. 



Schroederi, 84. Xenococcus, 18. 



sinuosa, 73. Schousboei, 18. 



stellata, 50. var. pallida, 18. 

 Ulvaceae, 32. 



Urococcus, 40. Zonaria, 85. 



insignis, 40. gymnospora, 87. 



linearis, 89. 



Valonia, 50. lobata, 12, 85, 97. 



confer uoides, 51. variegata, 85, 87, 146. 



favulosa, 50. Zygnemaceae, 30. 



