The Lichens of Minnesota Author:Bruce Fink General Books publication date: 2009 Original publication date: 1910 Original Publisher: Govt. Print. Off. Subjects: Botany Lichens Nature / Plants Science / Life Sciences / Botany 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 B... more »ooks 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: 7. Lecanora Bubfusca (L.) Ach. Lieh. Univ. 393. pi. 7. f. 6. 1810. Figure 14. Lichen subfusciLS L. Sp. PI. 1142. 1753. Thallus crustose, rather smooth, or becoming chinky or verrucose-areolate, usually of moderate thickness, but rarely thin, with the granules somewhat scattered, occurring in suborbicular patches, from 1.5 cm. upward in diameter, or irregular and frequently widely spread over the substratum, sea-green varying to ashy or whitish, without other cortical structure than a gelatinized and often structureless mass of hyph?; apothecia Fio. U. -- Lecanora ???/????. a, Thallus with several apothecia; 6, a section of an apothecium to show the thalloid exciple, the hymenium and the hypothocium; a, Enlarged 3 diameters; 6, GO diameters. From Relnke. small to middle-sized, sessile or adnate, 0.5 to 2 mm. in diameter, the disk flat to somewhat convex, light brown to black in color, the exciple entire to crenate and always persistent; hypothecium pale; hymenium pale below and usually pale brownish above; paraphyses simple or rarely branched, sometimes enlarged and brownish toward the apex; asci variously clįvate; spores ellipsoid, 9 to 20 /i long and 6 to 10 ; i wide. Generally distributed over the State, as are some of the subspecies given below. On trees or dead wood, or rarely on rocks. Known throughout North America. Found also in all of the grand divisions. 7a. Lecanora subfuaca allophana Ach. Lieh. Univ. 395. 1810. Thallus rather thick, rough or granulate-verrucose; apotheci...« less