‘Disease spots’
                                Date
                            
                            
                                1890
                            
                            
                        
                            
                            
                            
                                Creator
                            
                            
                                Harry Marshall Ward (1854 - 1906, British) , Biologist
                            
                            
                        
                            
                            
                            
                                Object type
                            
                            
                            
                        
                            
                            
                            
                                Archive reference number
                            
                            
                            
                        
                            
                            
                            
                                Material
                            
                            
                            
                        
                            
                            
                            
                                Dimensions
                            
                            
                                height (painting): 278mm
width (painting): 214mm
                            
                        
                            
                            
                            width (painting): 214mm
                                Subject
                            
                            
                            
                        
                            
                            
                            
                                Description
                            
                            
                                Botanical study of coffee leaf disease Hemileia vastatrix, showing a potted plant exhibiting fungal rust on the underside of the leaves and disease spots, with one leaf detail. 
Plate from the manuscript version of the paper ‘The relations between host and parasite in certain epidemic diseases of plants’, by H. Marshall Ward, Proceedings of the Royal Society, vol.47 (1890), pp.322-325. The illustration did not appear in the published paper.
The figure is held in a cover sheet, with the title: The “Disease Spots”. Instructions to the printer appear on the back sheet, in ink: ‘Directions to the engraver – omit the loose leaf to left below - & shade the flower-pot & soil. Reduce to half-size’. Not signed.
Harry Marshall Ward was elected a Fellow of the Royal Society in 1888.
                            
                            
                        
                            
                            
                            Plate from the manuscript version of the paper ‘The relations between host and parasite in certain epidemic diseases of plants’, by H. Marshall Ward, Proceedings of the Royal Society, vol.47 (1890), pp.322-325. The illustration did not appear in the published paper.
The figure is held in a cover sheet, with the title: The “Disease Spots”. Instructions to the printer appear on the back sheet, in ink: ‘Directions to the engraver – omit the loose leaf to left below - & shade the flower-pot & soil. Reduce to half-size’. Not signed.
Harry Marshall Ward was elected a Fellow of the Royal Society in 1888.
                                Associated place