When you see a crack itâs important to determine where it is and how severe it is. In order to figure out whether itâs a big deal, you need to know what kind of foundation system you have. For this article Iâm going to talk about âpier and curtain wallâ foundations. This type of foundation is most common in the pre-1950 houses in Durhamâs in-town neighborhoods.
A gametangium (plural: gametangia) is an organ or cell in which gametes are produced that is found in many multicellular protists, algae, fungi, and the gametophytes of plants. In contrast to gametogenesis in animals, a gametangium is a haploid structure and formation of gametes does not involve meiosis.
As the dominant alkaloid in the psychedelic seeds of Turbina corymbosa (ololiuhqui), Argyreia nervosa (Hawaiian baby woodrose) and Ipomoea tricolor (morning glories, tlitliltzin), it is often stated that ergine and/or isoergine (its epimer) is responsible for the psychedelic activity.