Proceedings of Societies, 373 



4. On Lichens collected in the Breadalbane Mountains and Woods. 

 By Hugh MacMillan, Esq. 



5. On Harmonious Colouring in Plants. By Professor M'Cosh, 

 Belfast. 



8th February 1855. 



1. Account of a Botanical Excursion to the Braemar Mountains in 

 August 1854. By Professor Balfour. 



2. Report on the Diatomacece collected in Braemar in the Autumn of 

 1854, by Professor Balfour and Mr George Laivson. By Dr Greville. 

 This paper appears in the Annals of Natural History for April 1855. 



The following are among the novelties, some being new species and 

 others additions to the list of British species : — 



Eunotia Camelus, Ehr. Cymbella sequalis, W. Sm. 



,, tridentula, Ehr. Navicula cocconeiformis, Greg. 



,, quaternaria, Ehr. Diatomella Balfouriana, Sm. 



Cymbella lunata, W. Sm. Orthosira spinosa, W. Sm. 



3. On the Geological Relations of some Rare Alpine plants. By Dr 

 Gilchrist, Montrose. 



4. Description of some neiu Coniferous trees recently introduced into 

 this country by William Murray, Esq., of San Francisco. By Andrew 

 Murray, Esq. This paper appears in the present number of this Journal. 



8th March 1855. 



1. A Comparative View of the more important Stages of Develop- 

 ment of some of the Higher Cryptogamia and the Phanerogamia. By 

 Charles Jenner, Esq. — This paper will be found in the Annals of Na- 

 tural History for April 1855. 



2. Notes of a Botanical Tour to the Island of Jersey. ByMrC. Bax- 

 ter, Royal Botanic Garden, Regent's Park. Communicated by Mr James 

 Rae. 



3. On some Gall-like Appearances on the Leaves of a Species of Chry- 

 sophyllum from the Rio Negro, collected by Mr Spruce. By Mr 

 James Hardy. 



4. Extracts from a Letter from Dr Cleghorn on the Discovery, by 

 Major Cotton, of the Gutta Percha Plant in Malabar. — Communicated 

 by Dr Balfour. — This notice will be found among the Extracts from 

 Correspondence at p. 352 in the present number of the Journal. 



5. On some Plants -which have recently flowered in the Royal Botanic 

 Garden. By Dr Balfour.' — The plants referred to were Tricyrtis pilosa, 

 Boucerosia Munbyana, and Erianthus japonicus. 



Boucerosia Munbyana is noticed by Munby in his Flore d'Algerie, 

 and the following are its characters : — Ramis tetragonis erectis, foliis 

 ovatis acutis planis, floribus sessilibus, fasciculatis ad summitatem 

 ramorum, laciniis linearibus, folliculis longissimis, apice inflexis. The 

 plant has a habit of a Stapelia, is about five inches high, and sends 

 off numerous branches, which are tetragonal and erect or ascending ; 

 the branches are more or less prominent, and have triangular concave 

 depressions between them, and their edges are covered with triangular 

 toothed projections, bearing minute, ovate, acute, fleshy, nearly sessile 

 leaves. Flowers sessile, in clusters of 5-10 towards the extremity of 

 the branches, of a brown colour, and fetid. Calyx five-partite, fleshy ; 

 segments narrow, acute, purplish-green. Corolla somewhat campanulate, 

 five-partite, aestivation induplicato-valvate, and slightly twisted, seg- 



