Spirea, or meadowsweet, is the German namesake of SpirsÃ¤ure (salicylic acid), and ultimately aspirin. The name Aspirin was derived from the name of the chemical ASAâAcetylspirsÃ¤ure in German. SpirsÃ¤ure (salicylic acid) was named for the meadowsweet plant, Spirea ulmaria, from which it could be derived.
Look for both series back-to-back beginning at 9:00/8:00c. [12/16/14 - 10:28 AM]. Animal Planet's Treehouse Masters Returns for Season Three on January 9 at 10:00PM ET. Plus, one lucky viewer gets the opportunity to win their very own Pete Nelson treehouse with the Ultimate Treehouse GiveAway contest!
The series premiered on the NBC network on September 11, 1974, and last aired on May 10, 1982. During the 1982â83 television season, with the departure of Landon and Grassle, the series was broadcast with the new title Little House: A New Beginning.