Supplementary List. 47 



a rhomboi I.hrb. In material collected at Minden bv Dr. 

 I Iipeman, (( 



46 Pleurosigma spenceri ((,Juek.) W. Sm. Lincoln. (C.) 

 47. </<'////-//( tnema dichotomum Kuetz. Minden, ill | 

 Gomphonana geminatum S. & F. Minden. (H. 



49. Cocconeis striata Ehrb In material collected at Minden by Dr. Hape- 



man, (C.) 



50. Epithemia argui Kuetz Minden, (H) This species was doubtfully 



recorded in the catalogue (No. ioo) as from Lincoln. 



51. Epit hernia sore x Kuetz. Pauline, (H ) 

 Epithemia zebra (Ehr ) Kuetz. Minden, (H.) 



53. Synedra affinis Kuetz. Minden, in material coll. by Dr. Hapeman 

 54 Synedra ulna (Nitzsch) Ehr. var. longissima (W. Sm.) Brun. In ma- 

 terial collected at Minden by Dr. Hapeman, (C). 



55. Fragilaria virescens Kalfs. Minden, in material collected by Dr. 



Hapeman, (C ) 



56. Nitzschia communis Rabh. In the basin of the artesian well. Lin- 



coln, Dec. 1S91, (S ) 



57. Nitzschia thermalis (Ehr.) Auersw. In salt water. Lincoln, (C.) 



58. Nitzschia vermicular is (Kg.) Hantz. Minden, (H.) 



59. Nitzschia vitrea Norm. Minden, (H.) 



60. Nitzschia vivax W . Sm. Minden, (H.) 



ZVGNEMACE.E 



61. Mougeotia genuflexa (Dillw ) Ag. Lincoln, (C ) 



62 /v-n,»ta ptitinatnm (Vauch.) Ag., var. anonuilum (Hass.) Kirch. Min- 

 den, Coll. by Dr. Hapeman, (W.) 



63. Spirogyra crassa Kuetz. South Bend, (C.) Eilaments 136 mmm. in 



diameter. 



Oedogoniace.*;. 



64. Oedogomum prmgsheimii Cram Minden, Coll. Hapeman, (\V. | 



65. Oedogomum wolieanum Wittr. Minden, Coll. Hapeman, (C.) 



COLEOCH.ETACE.E. 



66. Coleochat e scutata Breb. In material from Minden, collected by Dr. 



Hapeman, (C.) 



SPHiSRIACEJE. 



67. X\ laria polymorpha (Pers.) Grew, var. spathulata Pers. Lincoln, (C.) 



68. Xy/aria polymorpha (Pers.) Grev., var. acrodactyla Nits. Lincoln, (C.) 



69. Hypoxylon epiphloeum B. & C. Lincoln. (\V | 



DOTHIDIACE.V. 



70 Dothidia ribesia Pers. Lincoln. On stems of Ribes graciU Michx. (W.) 

 Pezizaci 



71. Lacknea scutellata Linn. On earth in greenhouse. Lincoln, (C.) 

 72 Sclerotima dureaana Tul. On ground in woods Lincoln, Apr. 

 1892, (C.) 



73. Sclerotima trifoliorum Eriks. Raymond, (C.) 



74. Sclerotima gracilis Clements, n. sp. Cup thin, hemispherical, bright 



brown, margin entire, darker: stipe elongated, rlexuous, thick, 1.5 — 



