Abstract: A process for manufacturing a card ornamented with a plant or another material. The card comprises a flexible sheet covered on both surfaces with sheets of plastic material that are thermowelded and a plant or other material is applied to the flexible sheet. The plant or other material is first subject to pressure, then dried at an ambient temperature, then subject to a disinfectant wash. The plant is adhered to the flexible sheet. The plastic sheets are placed over the flexible sheet and are thermowelded at an elevated temperature and pressure for sterilization, completing the card. Thermowelding the plastic sheets to the flexible sheet under pressure and temperature is effective for sterilizing the plant or other material.

Abstract: Procedure for the visual and microscopic study of the characteristics of a vegetable plant; characterized because it includes the stages of: collection and selection of specific leaves from the plant; submission of a leaf to a pressing operation at approximately 6 kg/cm.sup.2 and later drying at ambient temperature of approximately 30.degree. ; under these conditions the leaf undergoes soaking in a disinfectant solution; thereafter the leaf is placed between two plastic sheets or films and these are closed with sterilization at 125.degree. C. which temperature is appropriate to carry out the thermowelding which takes place at a pressure of 6 kg/cm.sup.2 to remove any possible air bubbles.