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植物学补充实验苔藓植物的采集、保存和观察 1.采集: 春末夏初,在溪边、田圃、庭院墙角或树林树根下,土质较肥沃背阴潮湿的泥土上,常可见到苔藓植物、如:葫芦藓、墙藓和地钱。采集时须成片地将苔藓连同泥土掘起,放人塑料袋带回。 2.保存: (1)风干保存先将植株上的泥土洗净,放在滤纸上晾干后收存。观察前先用清水浸泡使风干的植株吸水胀大后,再用放大镜观察。 (2)固定保存在标本瓶中加入70%的酒精和少量甘油,将洗净的苔藓植物、假根向下慢慢浸入瓶中,再用熔融的石蜡封好瓶口。若固定葫芦藓,由于
Botanic supplementary experiment collection, preservation and observation of bryophytes 1 collection: early spring and early summer, in the stream, field nursery, courtyard corner or tree roots, the soil is more fertile wet shady soil, often can see bryophytes, Such as: gourd moss, wall moss and money. Collection must be a piece of moss together with the soil digging up, put the plastic bag back. 2. Save: (1) air-dried first wash the soil on the plant, placed on a filter paper to dry storage. Before the observation, the plants were soaked in clear water and allowed to swell, then observed with a magnifying glass. (2) Fixed Preservation Add 70% alcohol and a little glycerin in the sample bottle. Wash the bryophyte and the root of gem slowly into the bottle and seal the bottle with molten paraffin. If fixed gourd moss, due