192 



The foul state of the River Lea, and the Lea and Stort Naviga- 

 gation from sewage deposit, prevented many objects usually found 

 therein from being obtained. 



List of Objects Found on the Excursion to the Gardens op 

 the Royal Botanic Society of London. By Dr. M. C. 

 Cooke, Messrs. E. Dadswell, C. G. Dunning, H. E. 

 Freeman, H. G. Glasspoole, G. E. Mainland, R. T. G. 

 Nevins, F. Oxley, H. W. Parritt, C. Rousselet, and G. 

 E. Western. 



18th April, 1885. 



FUNGI. 



Ceuthospora lauri, Fr. 

 Diaporthe resecans, N. 

 Phoma leucostigma, D. C. 

 ,, ligustrina* S. 

 „ stiticum, B. 

 „ vulgaris, S. 

 Rabenhorstia rudis, Fr. 

 DESMIDI^CE^. 

 Closterium acerosum. 

 ,, lunula. 



sp. 

 Docidium, sp. 

 Pediastrum Boryanum . 

 ,, granulatum. 



sp. 

 Raphidium falcatum (Ankis- 



trodesmus falcatus) 

 Scenedesmus obliquus. 



,, quadricaudata. 



,, sp. 



DIATOMACEsE. 

 Cocconema lanceolatum. 



Cocconema sp. 

 Encyonema cwspitosum. 



„ sp. 



Epithemia, sp. 

 Fragillaria, sp. 

 Gomphonema geminatum. 



„ sp. 



Melosira nummuloides. 



sp. 

 Navicula, sp. 

 Pinnularia, sp. 

 Pleurosigma Spenceri. 



„ sp. 



Synedra radians. 



„ sp. 

 ALGM. 



Botryococcus Braunii. 

 Cladophora glomerata. 

 Nostoc commune. 

 Oscillaria, sp. 

 Protococcus riridis. 

 Spirogyra, two sp. 

 Teiraspora lubrica. 



* Determined for the first time as British. 



