Tree pine ("Pinus" species) the bark exudes sticky resin which deters attackers whereas in rubber trees ("Hevea brasiliensis") it is a milky latex that oozes out. The quinine bark tree ("Cinchona officinalis") contains bitter substances to make the bark unpalatable. Large tree-like plants with lignified trunks in the Pteridophyta, Arecales, Cycadophyta and Poales such as the tree ferns, palms, cycads and bamboos have different structures and outer coverings. Although the bark functions as a protective barrier, it is itself attacked by boring insects such as beetles. These lay their eggs in crevices and the larvae chew their way through the cellulose
Bark! The Musical Bark! The Musical BARK! The Musical is a musical with music by David Troy Francis and lyrics by Gavin Geoffrey Dillard and Robert Schrock (with additional lyrics by Mark Winkler). The book is by Mark Winkler and Gavin Geoffrey Dillard. "BARK!" explores one day in the lives of six dogs in Deena's Doggie Daycare. These dogs include a little puppy who yearns to bark like a real dog, an opera singing poodle, and a street mutt who raps and sometimes cross dresses as a chihuahua. The entire show is presented from a dog’s point of view. "BARK!" made its world