Dalmation and Yellow Toadflax

Dalmation Toadflax (linaria dalmatica) and Yellow Toadflax (linaria vulgaris) - I will be training animals to eat dalmation toadflax in 2008
These "weeds" were brought to the United States as ornamental, medicinal, magical and dye plants. For those of you who find these plants a pain in the rear, you might like knowing that they were once used as a poultice for hemmorhoids. To make your own, chop the whole plant, boil it in lard until crisp then strain it to get a fine green ointment. I don't guarantee any results, I just found the information on the internet.
Toxins: According to Toxic Plants of North America (Burrows and Tyrl, 1st edition, pg. 1098), both plants contain a series of quinazoline alkaloids, vasicine, vasicinone, and deoxyvasicinone. They also contain several flavonoid glycosides...including linarin and linarisan. Intoxication problems have not been reported; however, vasicine causes bronchodilation, hypotension, and uterine stimulation.
Grazing Prescription: I will be trying this plant slowly. Sheep and goats show no ill affects from eating either plant and I anticipate no negative effects for the cows.
Additional Resources: U.S. Forest Service database