185 



Family XVII. — Desmidiece. 



95. Bambitsina Brebissojiii, Kg., p. 24, PI. L — Swamp by 

 roadside west of Orono toward Pushaw Pond. Aug. Abundant. 



Desmidiiim Swartdi, Ag. p. 26, PL II. — Mentioned before 

 (No. 17) from sterile forms only. Found this season finely in 

 fruit, as shown on PI. II, fig. 3. Associated with the above. Aug. 

 Abundant. 



96. Sphcerozosinafiliforme, Rab., p. 29. PL IV, — Swamp back 

 of college woods. Aug. Our plant differed in minor points 

 from the description but not enough to separate it. In chains of 

 cells 2 to 8. 15 to 20 /^ diameter. 



97. 5. vertebratiim (Breb.), Ralfs, p. 30, PL IV. — Associated 

 with the above, Au^. 



o 



I X 



98. SpirotcBuia condensata, Breb., p. H, PL III. — Swamp 

 back of college woods. July and Aug. 



99. Penitim margaritaceiun, Breb., p. 34, PL V. — Swamp 

 back of college woods. Ausf. 



100. Closteriuin Jimcidtun, Ralfs., p. 38, PL VI. — ^Swamp 

 back of college woods. Aug. 



1 01. C. viacilentum, Breb., p. 38, PL VI. — Pool by roadside 

 eastof Oldtown. Aug. Our plants measured 3/5 X 10 //and were 

 transversely one-striate. 



102. C acerosiim (Schrank), Ehrb., p. 41, PL VI. — Swamp 

 back of college woods. Aug. 6oy^6oo //. 



103. C. strigosum^ Ehrb., p. 42. PL VI. — With the above. 

 Aug. 



104. C, DiancB, Ehrb., p. 44, PL VIL— With the above. 

 Aug. 



105. C. parvuhim, Nx'g.,p. 45, Pis. VII and VIIL— With the 

 above, Au^r. 



106. Docidium crenulatum (Ehrb.), Rab. p. 47, PL IX. — 

 Augusta. July. Dip by Dr. Young. 48x544 /<■ 



107. D. truncaticm, Breb., p. 48, PI. IX. — Swamp back of 

 college woods. Aug. 



Au 



108. D. nodosum, Bail., p. 50, PI. XL— With the above. 



Z- 



109. Calocylindrus connatus, var. minus, Nord., p. 55» ^^• 



XII. Spring brook in Orono, Aug. Common. • 



