Botanical Society of Edinburgh. 425 



upper tail-coverts very broad, much-prolonged and hair-like; bill 

 black, basal half of the under mandible straw-colour. 



Total length, 6| inches; bill, l£; wing, 2f; tail, 3. 



Hab. Peru ? 



Remark. — This bird belongs to the same section as the T. Bour- 

 cieriy T. Guy, T. Eurynome, &c. of Less., and equals in size the largest 

 of them. 



The species described by me at the meeting of June 9, 1846, 

 (present vol. pp. 129, 130) were 



18. Trochilus (petasophora) coruscans, a beautiful species al- 

 lied to the Anais, but whose locality is unknown to me. 



19. Trochilus ( ?) flabellifera, which is nearly allied to, 



but a much larger species than T. mellivora, said to inhabit Mexico ; 

 and 



20. Trochilus ( ?) strophianus, a fine new species of the 



same form as the Clarisse and the Parzudaki. 



BOTANICAL SOCIETY OF EDINBURGH. 



June 11, 1846. — Professor Balfour, President, in the Chair. 

 The following communications were read : — 



1. " On the presence of Fluorine in Plants," by Dr. George 

 Wilson. 



2. " Notice of the discovery of Luzula nivea, in a wood at Broom- 

 hall, near Dunfermline," by Dr. Dewar. 



3. " On the distinctions between Parietaria erecta and P. diffusa 

 of Mertens and Koch," by Charles C. Babington, M.A., F.L.S. 



4. " Observations on some rare Plants gathered in the neigh- 

 bourhood of Edinburgh," by Dr. Balfour and Mr. Evans. Fresh 

 specimens of some of the rarest of these were exhibited to the meet- 

 ing, among which may be mentioned, Oxytropis uralensis, Vicia 

 lutea, Orobanche rubra, Carduus setosus, Luzula nivea, Lepidium 

 ruderale, and Malcolmia maritima. 



July 9. — Professor Balfour, President, in the Chair. 

 The following communications were read : — 



1. " Observations on the Plant yielding the drug Mudar of India," 

 by Dr. Douglas Maclagan. 



2. " Remarks on the elongation of the peduncle of Vallisneria 

 spiralis," by H. Denny, Esq., Leeds. In this communication Mr. 

 D. alluded particularly to the rapidity of its growth, and to its non- 

 spiral nature, in the specimens of the pistilliferous plant grown by 

 him ; he also noticed the rapid evolution of gas from the plants 

 when placed in the sun. 



3. *' Remarks on the Greenheart, or Beeberu-Bark Tree of Deme- 

 rara," by Dr. G. R. Bonyun. Dr. B. stated, that the description of 

 the parts of the flower as given by Schomburgk, is not quite cor- 

 rect, and thinks that the plant cannot be referred to the genus Nee- 

 tandra. According to Dr. Bonyun, it has an 8, 10, or 12-partite 

 perigone, outer segments persistent, stamens varying from twelve to 



Ann. $ Mag. N. Hist. Vol. xviii. 2 H 



