DEPARTMENT OF BOTANY. l75 



and N. minor from Clement Reid, Esq. ; 2 fruits of Martynia 

 from A. E. Stearns, Esq. ; 3 specimens of cultivated orchids 

 from Sir Trevor Lawrence ; 4 specimens of cultivated orchids 

 from J. O'Brien, Esq. ; 2 specimens of Silene', from W. B. 

 Paulson, Esq. ; specimens of Alsophila from Fiji, from Miss M. 

 Benson ; specimens of a tropical moss, Calymperes, recently- 

 discovered in Europe, near the fumaroles of Pantellaria, from 

 Dr. Emilio Levier ; 2 species of Halimeda and 3 specimens 

 of Avrainvillea from the Paumotu Archipelago, from M. P. 

 Hariot ; some large specimens of Laminariacese from the 

 Eastern Telegraph Company's cable near Gibraltar, from 

 V. K. Cornish, Esq. ; a Japanese species of Echlonia, from 

 Prof. F. O. Bower; 11 species representing 4 genera of 

 Lithothamnia from the Indian Ocean, collected during the 

 " Sea-lark " Expedition, from J. Stanley Gardiner, Esq. ; 

 specimens of Cladocephalus, a new genus of Algae from the 

 West Indies, from Mr. Marshall A. Howe ; 161 Characese 

 from the herbarium of T. F. Allen, from the New York 

 Botanical Garden ; and single specimens from Sir W. Strick- 

 land, Dr. Grunman, F. Moore, Esq., Christopher J. Alexander, 

 Esq., Mrs. P. Hoare, E. M. Holmes, Esq., Dr. P. L. Sclater, 

 Mrs. Paris, Messrs. R. T. Turnbull, Prof. R. J. Harvey Gibson, 

 and T. D. A. Cockerell, Esq. 



The additions to the British Herbarium by presentation 

 have been : — 3 specimens from Dr. C. Vigors ; 229 specimens 

 from Rev. E. S. Marshall ; 72 specimens from Rev. H. J. 

 Riddelsdell ; 2 specimens from John D. Young, Esq. ; 

 4 specimens from A. B. Jackson, Esq. ; 3 specimens of intro- 

 duced plants from W. B. Allen, Esq. ; 7 specimens from 

 Clement Reid, Esq. ; 2 specimens from W. Whitehead, Esq. ; 

 10 specimens of Rubi, &c., from Prof. D. Oliver ; 4 specimens 

 from James Groves, Esq. ; 10 rare British Hepaticae from 

 Symers M. Macvicar, Esq. ; and single specimens from Henry 

 Peirson, Esq., H. A. Britten, Esq., C. H. Spencer Percival, 

 Esq., H. Beeby, Esq., W. R. Sherrin, Esq., V. K. Cornish, 

 Esq., and J. Saunders, Esq. 



Among the acquisitions by presentation special reference 

 may be made to the collection of Diatoms formed by the late 

 Thomas Glazebrook Rylands, of Warrington, and presented 

 by his daughter. Miss Martha G. Rylands. It consists of 

 about 6,000 microscope-slides in cabinets, and includes the 

 collection of the late Dr. Christopher Johnson, of Lancaster, 

 bequeathed to Mr. Rylands. It was formed more than 

 40 years ago, when great activity was manifested in the 

 study of Diatomacese ; and the two most active students of 

 the group. Prof. G. Walker Arnott and Prof. R. K. Greville, 

 and their more important correspondents are represented by 

 numerous letters included in the collection. 



The following additions have been made by exchange of 

 duplicates: — 1,100 specimens from Brazil, Central Asia, 

 Russia, etc., from the Director, Royal Botanic Gardens, 



