PESTS OF THE ORNAMENTAL SHRUBBEKY. 



25 



Fig. 41. — Gymnosporangium sabimv, Dicks. — Pustule, nat. size ; a, teleutospores x 400. 



42. — Gymnosporangium confusum, Plowr. — Teleutospores germinating x 400. 



43. — Coryncum Berkclcyi, Cooke. — a, section of receptacle ; b, conidia x 400. 



44. — Gymnosporangium clavariiforme, Jacq. — Pustule, nat. size ; a, teleutospores 



x 400. 



45. — Gymnosporangium juniperiuum, L.— Pustules, nat. 1 , size; a, teleutospores 



x 400. 



46. — Sphairella taxi, Cooke. — a, perithecium enlarged ; b, ascus and sporidia x 



400. 



