(一)材料供试的琥珀褐木耳Auriculariafuscosucinea(Mont.)Farlow.,是采自湖南师大生物系段木栽培点。子实体单生或群生,耳状或杯状,鲜时淡黄褐色或琥珀褐色,胶质,半透明,中凹、平滑或有皱纹,直径达12厘米。干后强烈收缩,厚0.5～0.8毫米,颜色较暗。仪器设备有双筒生物显微镜,显微照相机及显微照相器材,单面或双面刀 (A) Materials Amberlite Auriculariafuscosucinea (Mont.) Farlow. Was collected from Hunan Normal University Department of Biology section of wood cultivation. Fruit fruiting or solitary, auricles or cup, light yellowish brown or amber brown, glial, translucent, concave, smooth or wrinkled, up to 12 cm in diameter. Strong contraction after dry, 0.5 ~ 0.8 mm thick, darker colors. Equipment Binocular biological microscopes, micro-cameras and photographic equipment, single-sided or double-sided knife