1S2 



ceedingly rich in desmids and was a swampy place in a pasture, 

 a part of the outlet of a Tamarack swamp flooded in the spring but 

 dry in the late summer and fall. We have designated the locality 

 as " Swamp east of the College Woods,'' and from it we exam- 

 ined material taken in June and August References to plates 

 and pages are to WoIIe's '* Fresh-water Algae and Desmids of the 

 U. S." In arranging the species Av^e have followed the above 

 work. Again we are greatly obliged to Mr. Wolle for advice and 

 assistance. 



Class I. — Rhodophyce^. 



Family III. — Batrachospermaceae. 



69. Batrachospernmm vagum, Ag. p. 57, PL LXV. — This spe- 

 cies is widely distributed in Maine. Collected in Guagus Stream 40 

 miles northeast from Orono, also received from Dr. Young from 

 near Augusta. Our specimens were typical, bluish-green but 

 communicated a violet color to the water in which they stood. 



Class II. — Chlorophyce/e. 



Family VI. — CEdogoniaceae. 



70. CEdogonhwt cryptoponmi^ Wittr., p. 70, PL LXXIV. 

 Small form, scarce. In a gathering from Pushaw Stream. J^ly- 



71. ffi. Boruianum (LeCL), Wittr., p. 81, PL LXXVIII. 

 Finely in fruit. Pool by the roadside east of Oldtown on the road 

 to Sunk Haze Stream. Aug. 



72. (2?. Landsboroughi {}ld.ss), Wittr. p. 91, PL LXXXI. 

 We sent Mr. Wolle some of the gathering and he made the follow- 

 ing remarks regarding this species : '' A beautiful specimen. The 

 typical plant. Better than the one figured by me. Male plant 

 frequent with 5 to 25 cells. The spores more ellipsoid than obo- 

 vate yet characteristic. Very good." 



Associated with the above species and with Spirogyra calospora 

 and 5. bcllisy all finely in fruit. Aug. 



Family VIIL— Confervacese. 



73- Conferva bombycina, Ag-, p. 142, PL CXXL— Pushaw 

 Stream. Aug. Common. 



74. Rhizodonmm foiitinali^ Kg., p. 144. PL CXXh— I" 

 one specimen the small processes were very scaice, and the plant 

 grew in tlie still, deep water of Pushaw Stream. Au?. 



