General Books publication date: 2009 Original publication date: 1872 Original Publisher: E. Nelson Subjects: Lichens Notes: This is a black and white OCR reprint of the original. It has no illustrations and there may be typos or missing text. When you buy the General Books edition of this book you get free trial access to Million-Books.com where you can select from more than a million books for free. Excerpt: XTI. – PELTIGEEA ( Willd., Hoffm.) F6e. Pee Ess., suppl., p. 129. Mont. Apercu Morph. p. 11. Tuckerm. Syn. N, Eng. p. 19. Schaer. Enum. p. 19. Norm. Con. p. 13,1.1, f. 6, a, b. Tul. Mem. Lich. pp. 17, 44, 64, t. 8. Mass. Mem. p. 19,1.1,2. Koerb. Syst. p. 56. Nyl. Syn. 1, p. 322, t. 8, f. 38-9; Lich. Scand. p. 87. Speerschneid. in Bot. Zeit. 1857. Th. Fr. Gen. p. 55; Lien. Spitzberg. p. 14. Stizenb. Beitr. 1. c. p. 166. Schwead. Uutersuch. 1. c. 3, p. 174, t. 9, f. 9. Pelti- gerae sect., Hoffm. DC. Scnaer. Spicil. Fr. S. 0. V. p. 240; L. E. p. 41. Peltidea, Ach. L. U. p. 98; Syn. p. 237. Eschw. Syst. p. 22. Apothecia peltaeformia, thalli lobulis productis raro inargini antice adnata, margiue lacero-crenato. Sporse e fusiformi aciculares, quadri- pluriloculares, denium incolores. Thallus froudosus, subtus villosus venosusque, strato cortical! ibidem nullo. Stratum gonimicum e gonidiis viridibus, aut saepius caerulescentibus (collogonidiis) constans. The general distinction between the Peltigcra-frmt, and that of Sticta lies in the fact that the former is at once peltiform, and originally innate; whereby what in Sticta appears as the upper half of a closed, superficial apothecium is reduced in the other to a depressed veil. The margin is developed in both in the same way, and that of the present genus, though in most of the forms far less regular, and often even obscure,-is expressed in P. venosa with all the definiteness of that of Sticta; some curious species of which (S. Boschiana, Mont., S. peltigcrclla, Nyl.) simulate, in their turn, the habit of th…
