Observations on plants in the middle period of the spring

These data compare with the average and deadlines Moscow's table. Received the circle of observers make records in a special notebook, which should be maintained to monitor subsequent years could be compared. It is better to take a small group of well-known to all plant and maintain surveillance over them year after year. Watch the spring emergence of the first unfolded leaf and the flowering of the following types: 1) alder, 2), Hazel, 3), red willow, 4) wolf bark, 5), aspen, 6) willow-Bredin, 7) birch, 8), Norway maple , 9), gooseberries, 10) red currant. In addition, during this period mark the first deployment of the leaves of lime (small-leaved and large-) and oak (early and late). Of the flowering plants in the second period of spring flowering time watch the following plants: 1) mother-and-stepmother, 2) woodland blue, 3) selezenochnika, 4) lungwort, 5) hohlatki, 6) Marigold, 7), dandelion, 8) strawberry timber .