‘Polysiphonia violacea, Grev.’
                                Date
                            
                            
                                1859
                            
                            
                        
                            
                            
                            
                                Creator
                            
                            
                                Henry Bradbury (1831 - 1860, British) , Printmaker
                            
                            
                        
                            
                            
                            
                                Object type
                            
                            
                            
                        
                            
                            
                            
                                Library reference
                            
                            
                                46291
                            
                            
                        
                            
                            
                            
                                Material
                            
                            
                            
                        
                            
                            
                            
                                Technique
                            
                            
                            
                        
                            
                            
                            
                                Dimensions
                            
                            
                                height (print): 240mm
width (print): 150mm
                            
                        
                            
                            
                            width (print): 150mm
                                Subject
                            
                            
                            
                        
                            
                            
                            
                                Content object
                            
                            
                            
                        
                            
                            
                            
                                Description
                            
                            
                                Nature-printed study of the marine algae Vertebrata fucoides Kuntze here styled Polysiphonia violacea Grev. of the Rhodomelaceae family. Depicts a single specimen at natural size with magnified details of a ramuli with capsule, a capsule, spores from the same, ramuli with tetraspores, a tetraspore, portion of stem with surface cells and transverse section of stem. 
Plate XVI from The nature-printed British sea-weeds: a history, accompanied by figures and dissections of the algae of the British Isles by William Grosart Johnstone, F.B.S.E and Alexander Croall, A.B.S.E. nature-printed by Henry Bradbury. Volume 1. Rhodospermeae.(Bradbury and Evans, London, 1859).
Inscribed ‘Plate XVI’ top right-hand corner and ‘Nature Printed by Henry Bradbury’ low left-hand corner. Titled ‘POLYSIPHONIA violacea, GREV.’
William Grosart Johnstone (ca.1770-1860) British botanist.
Alexander Croall (1809-1885) British botanist.
Henry Bradbury (1831-1860) British printer.
                            
                            
                        
                            
                            
                            Plate XVI from The nature-printed British sea-weeds: a history, accompanied by figures and dissections of the algae of the British Isles by William Grosart Johnstone, F.B.S.E and Alexander Croall, A.B.S.E. nature-printed by Henry Bradbury. Volume 1. Rhodospermeae.(Bradbury and Evans, London, 1859).
Inscribed ‘Plate XVI’ top right-hand corner and ‘Nature Printed by Henry Bradbury’ low left-hand corner. Titled ‘POLYSIPHONIA violacea, GREV.’
William Grosart Johnstone (ca.1770-1860) British botanist.
Alexander Croall (1809-1885) British botanist.
Henry Bradbury (1831-1860) British printer.
                                Object history
                            
                            
                                Dedication to the late Mrs (Amelia) Griffiths of Torquay (1768-1858) amateur phycologist and beachcomber who was an important collector of marine algae specimens. 
                            
                            
                        
                            
                            
                            
                                Associated place