262 



VorksJiirc Xti/iini/is/s at F/dinboroiij^/i. 



Piiccinia poariim, Spcrmojjfoiiiiini 



and -'E-'icrmm staice, on coltsfoot. 



D.D. 

 PliragDi idiuin siihrorh'ru/uiii, .-I'^ci- 



iliiim staufi', on wild rose in suvi'ral 



places. 



PviiKNOMYCETES. 



Xv/ii'i(i /ivpoxylon , on dead wood. 



D. I). 

 Phyfisnui uccriniiin, niatuieon dcati 



sx'caniore-leaves. I). U. 

 Discomvci;tes. 

 Sphcerospora trechispora, on moist 



soil among' moss. D. D. 



Microscopic Alg^. — Mr. R. 

 pond in Boynton Woods yielded 

 Diatomaceae : — 



Cviiiatoplcuni elliptica Hreb. 



,, Solvit Breb. 



Cviiihrlla CKSpidata var. navindi- 



foniiis Auers. 

 Epithiiiiia turgid 1 1 Ehr. 

 Fnxgilaria undata \V. Sm. 

 Xdviciila aiiihigua Ehr., -awiX forma 

 crnticula (rare). 

 ,, Aiiglica, Ralfs. 



,, elliptica Kutz. 



Diisysrypliit iiii'cii, on dead woods 



\). 1). 

 Mollisia atriita, on dead herbaceou. 



stems. D D. 



MVXOMVCKTES. 



Lycogala epidendron, on rottiTis^ 



wood. I). I). 

 Trichia affinis, on strip of cast 



bark. D. D. 

 Didyiniitm sqiianiulosum, on dead 



herbaceous remains. D. D. 

 Tilinadoche nutans, on rotten wood. 



D. D. 



H. Philip reports : The 

 the followiiio' species of 



N(n'i(//la iihlonga Kutz. 



,, radiosa Kutz. 



Pinniilaria viridis Ehr. 

 Staiironeis anccps I'^hr. 



,, acuta W. Sm. 



,, Legunien Ehr. 



,, Phcniccnteron^hv. 



,, S/nit/iii Grun. 



Siirin'lla biscriata Breb. 

 ,, robust a Breb. 



This o^atherinof was chiefly remarkable for the luiniber both of 

 species and individuals of the g"enus S/.aiiroiieis. 



Ponds at Speeton were interesting" from the great number of 

 Desmids found in them, though there were comparatively few 

 .species. The most abundant were Closteriiun I'l'/ius Kutz. and 

 Cosmarimn crcuatum Ralfs. ; also present were Clostcnum 

 lauccohtfum Kutz. and C P^hrcnberghii Men. 



A small stream falling into Little Thornwick Bay contained 

 some verv interesting Diatoms, among which ma)- be noted the 

 following : - 

 Amphora ovalis Kutz., and vars. 



affinis and gracilis. 

 Cainpylodisciis Hihcrnicus I"2hr. ((ine 



and abundant). 

 Coscinodiscus radiatus IChr. 

 Cyinbclla cistula Mempr. 



,, cyinbifonnis Breb. 



,, gastroides Kutz. 

 Cioniphoiicnia intricatuin Kutz. 

 Mclosira niiin inuloidcs .\_tf. 

 Xavicula ainphisba'na Bory. 



Xavicula liniosa Kutz., and var 



gibbcrula. 

 Xitzschia duhia W. Sm. 



,, linearis \V. Sm. 



,, siginoidea W. Sm. 

 /'leiirosignia Spencerii \V. Sm. 

 Surirella ovalis Breb., .md var. 

 ni inula. 



,, spiralis Kutz. 



Svnedra ulna Ehr., var. longissiina. 

 \'anlieurckia vulgaris \. \\. 



Naturalist, 



