You are bidding on about 100 seeds of NARROW LEAF CATTAIL ( TYPHA AUGUSTIFOLIA )  . ( I'm also selling these as live plants now , see my other items for sale )

This is similar to the common broadleaf cattails, except the foliage is more narrow and slender, and grows to approximately 4' to 5’ in height with a slender 6" cattail flower . Tolerates up to 10" water depth. Hardy in zones 2-10.

The last picture shows the 3 cattails I sell, broadleaf , narrowleaf and dwarf . This one is the middle one.

Medicinal use of cattail: 

The pollen is diuretic, emmenagogue and haemostatic. The dried pollen is said to be anticoagulant, but when roasted with charcoal it becomes haemostatic. It is used internally in the treatment of kidney stones, internal hemorrhage of almost any kind, painful menstruation, abnormal uterine bleeding, post-partum pains, abscesses and cancer of the lymphatic system. It should not be prescribed for pregnant women. Externally, it is used in the treatment of tapeworms, diarrheaand injuries. An infusion of the root has been used in the treatment of gravel.

Edible parts of  cattail : 

Roots - raw or cooked. They can be boiled and eaten like potatoes or macerated and then boiled to yield a sweet syrup. The roots can also be dried, ground into a powder and then used as a thickener in soups etc or added to cereal flours. Rich in protein, this powder is used to make biscuits etc. Young shoots in spring - raw or cooked. An asparagus substitute. Base of mature stem - raw or cooked. It is best to remove the outer part of the stem. Young flowering stem - raw, cooked or made into a soup. It tastes like sweet corn.

Other uses : 

The stems and leaves have many uses, they make a good thatch, can be used in making paper, can be woven into mats, chairs, hats etc. They are a good source of biomass, making an excellent addition to the compost heap or used as a source of fuel etc. The hairs of the fruits are used for stuffing pillows etc. They have good insulating and buoyancy properties. The female flowers make an excellent tinder and can be lit from the spark of a flint. The pollen is highly inflammable and is used in making fireworks. This plants extensive root system makes it very good for stabilizing wet banks of rivers, lakes etc.