Pleural Cavity is the body cavity that surrounds the right and left lung. The pleura is a serous membrane which folds back to form a two-layered, membrane structure. The thin â¦ space between the two pleural layers is known as the pleural cavity; it normally contains a small amount of pleural fluid. The outer pleura parietal pleura is attached to the chest wall.
Germinating the Seeds. To germinate staghorn sumac seeds place them in a warm room away from direct sunlight. Regularly mist the soil in the pot with a spray bottle to keep it moist. After germination, remove the plastic wrap and position the pot in a sunny window so the seedlings can grow.
How to sow seeds. 1  Sow in early spring if you plan to grow plants in a heated greenhouse or in mid-spring for unheated greenhouses or to go outdoors. 2  Fill a 7.5cm (3in) pot with seed compost and make a 2cm (0.7in) hole with a dibber.3  Push two seeds on their side into the hole. 4  Put in a propagator to germinate.ow to sow seeds. 1  Sow in early spring if you plan to grow plants in a heated greenhouse or in mid-spring for unheated greenhouses or to go outdoors. 2  Fill a 7.5cm (3in) pot with seed compost and make a 2cm (0.7in) hole with a dibber.