木材解剖特征及其在本科植物分类中的意义４．１材料和方法用于实验的材料均来自西南林学院木材标本室，笔者采集的木材标本以及广东林科所苏中海高工和华南农业大学徐正春先生赠送的木材标本（表２），凭证木材标本均存西南林学院木材标本室。把木材切成２ｃｍ×１ｃｍ×... Wood anatomy and its significance in the classification of undergraduate 4.1 Materials and Methods The materials used in the experiment were from the Southwest Forestry College wood specimen collection, the author collected wood specimens and the Guangdong Forestry Branch Su Zhonghai and South China Agricultural University Mr. Xu Zhengchun presented wood specimens (Table 2), certificates of wood specimens are stored in the Southwest Forestry College wood specimens room. Cut the wood into 2cm × 1cm ×