1. Make the sentences complex:

Model: Gathering medicinal herbs we determine them by their external appearance.

When we gather medicinal herbs we determine them by their external appearance.

1. Determining the leaf arrangement it is necessary to flatten it out on a glass plate.

2. Examining the structure of the fruit we determined its principal parts.

3. Drying the plants it is necessary to protect them from the action of the sunrays.

4. Examining the leaf from the surface we can see epidermis cells.

2. Translate the following word combinations:

To determine leaf arrangement

Blossoming inflorescences

Seed elements

To be gathered.

3. Translate the following word combinations:

Травянистое растение

Хорошо проветриваемое помещение

Опознаются травы по внешнему виду

Растирание в порошок

Изучать с помощью увеличительного стекла.

4. Answer the following questions:

1. What is meant under “herb”?

2. When are herbs collected?

3. What are stem parts characterized by?

4. Where is the raw material of herbs stored?

Ключи:

1. Make the sentences complex:

1. When we determine the leaf arrangement it is necessary to flatten it out on a glass plate.

2. When we examined the structure of the fruit we determined its principal parts.

3. When we dry the plants it is necessary to protect them from the action of the sunrays.

4. When we examine the leaf from the surface we can see epidermis cells.

2. Translate the following word combinations:

Определить строение листа

Цветущие соцветия

Элементы семени

Быть собранным

3. Translate the following word combinations:

Herbs

Well-ventilated premises

Identity of herbs is determined by their external appearance

Trituration

To examine through a magnifying glass;

4. Answer the following questions:

1. By “herbs” dried overground parts of herbaceous plants consisting of folliferous and floriferous stems are normally meant

2. Herbs are collected mostly during the period of full flowering, in some cases prior to flowering or at the time of fruit-bearing

3. Features characteristic of stem parts are large vessels, fibres and epidermis (peel) cells with straight lateral walls

4. The material is stored in dry, well-ventilated premises, in a place protected from light; in drugstores - in boxes provided with lids, some hygroscopical herbs - in tins or jars with tight-fitting lids (5), when necessary - sealed with paraffin.