SEED SAVING METHODS
There are basically two different methods to collect seeds the Dry Method and the wet Method.
Saving Lettuce Seeds.
Vegetables that you would use the dry method to collect seeds from include Lettuce, endive, carrot, Brassica plants (cabbage, broccoli Cauliflower etc..), leek, onions, beans and peas.
seed saving using the wet methodThis involves washing the seeds in a sieve with a jet of water before tipping the seeds out onto newspaper to dry. For a detailed explanation of this method see Saving Tomato Seeds.
The main vegetables that you would use the wet method to collect seeds from are tomatoes, pumpkins, zucchinis and cucumbers.