THE GREEN ALGAE OF NORTH AMERICA 



103 



interrupts, 55. 



marina, 55. 



scalariformis, 55. 

 Glaucocystis, 22, 32. 



nostochinearum, 32. 

 Gloeochaete, 22, 27. 



Wittrockiana, 21. 

 Gloeocystopsis. 76 



limneticus, 76. 

 Golenkinia. 



Franzei, 35. 



paucispinosa, 34. 



radiata, 34. 

 Gongrosira. 



lacustris, 74. 

 Halimeda. 



gracilis. 



v. opuntioides, 91. 



Opuntia, 92. 

 Herposteiron. 



polychaete, 77. 

 Hormiscia, 86. 



penicillifonnis, 86. 



tetraciliata, 86. 

 Hormospora, 55. 



irregularis, 56. 



scalariformis, 55. 

 Hyalotheca. 



mucosa, 6. 

 Hydria n u in . 



giganteum, 29 



subsessile, 29. 

 Ineffigiata, 25. 

 Kirchneriella, 49. 



aperta, 50. 



con tort a, 49. 



elongate, 49. 



lunaris, 50. 



obesa, 50. 



v. aperta, 50. 

 v. con/or/a, 49. 

 Lagerheitnia, 33. 



ciliata, 33 

 v. minor, 33. 



citriformis, 33. 



Droescheri, 33. 



longiseta, 34. 



snbsalsa, 33 

 Lyngbya. 



confervoides. 72. 

 Micractinium, 34. 



paucispinosum, 34 



pusillum, 34. 



quadrisetum, 34. 



radiatum, 34. 

 Micrasterias. 



pusilla, 39. 



Microthamuion, 74. 



exiguum, 74. 

 Mischococcus, 6. 



confervicoia, 6. 

 Mougeotia, 19. 



bicalyptiata, 21. 



calcarea, 21. 



genuflexa. 



v. gracilis, 21. 



glyptosperma, 19. 



gracillima, 21. 



gracilis, 21. 



robusta 



v. biornata, 21 



tumidula, 21. 

 Nephrocytium, 35. 



ciosterioides, 30. 



obesurn, 35. 

 Oedocladiuui, 7). 



albemarlense, 71. 



protonema, 72. 

 Oedogonium, 58. 



actnand riii in. 65, 66. 



acrosporum, 69. 



americanuui, 70. 



australicuin. 66. 



consociatum, 65. 



crassum, 69. 



crenulatum. 

 y. longiarticulatum, 63. 



crispum. 



f. inflatum, 64. 



cyathigerum, 64. 

 v. ellipticum, 64. 



cymatosporum, 70. 



depressum, 69. 



foveplatum, 70. 



fragile, 65. 



gracillimum, 67. 



grande. 



f. robustutn, 63. 



illinoisense, 67 



intermedium, 64. 



laeve, 70. 



macrandrium, 6q. 



macrosporum, 67. 



Magnusii, 70. 



oblongum. 66 



obtruncatum, 69. 



paludosum. 

 v. parvisporum. 63. 



pauco-costatum. 66 



plagiostomum, 62. 



pratense, 66. 



praticolum, 68. 



propinquum, 68. 



psegmatosporum, 66. 



