Brown, W. H. The Development of the Ascocarp of Lachnea scutellata. Bot. Gaz. LII. pp. 275-305 (figs. and pl.), 1911.

Buchet, Gaston. Les Lichens attaquent le verre et, dans le vitreux, semblent préférer certaines couleurs. C. R. Soc. Biol. Paris, Sér. 9, II. p. 13, 1890.

Buddle, Adam. Hortus siccus Plantarum Angliae, quo continetur curiosa Muscorum collectio (in Herb. Sloane in Brit. Mus.). 1690-1700.

Buxbaum, J. C. Enumeratio Plantarum, etc. Halle, 1721.

—— Plantarum minus cognitarum, complectens Plantas circa Byzantium in Oriente observatas. Cent. II. St. Petersburg, 1728.

Calkins, W. W. An edible lichen not heretofore noted as such. Bot. Gaz. XVII. p. 418, 1892.

—— The Lichen Flora of Chicago and vicinity. Bull. Geol. Nat. Hist. Survey. Chicago, 58 pp., 1896.

Camerarius, Joachimus. De plantis Epitome utilissima iconibus, etc. 1586.

Candolle, A. P. de and Lamarck, J. B. P. A. de M. de. Flore Française, II. Paris, 1805.

Carrington, B. Dr Gray’s Arrangement of the Hepaticae. Trans. Bot. Soc. Edinb. X. pp. 305-309, 1870.