. Genera lichenum [microform] : an arrangement of the North American lichens. Lichens; Lichens. 2. Spores 4-pluri-locular. A. diffusa, Nyl. m ZiYr. Trunks in the White Mountains (Oakes). A. lurido-alba, Nyl. in lift. On dead wood in the White Mountaina (Oakes). A. astroidea, Ach., Nyl. {Opegr. atrav.macularis, Fr. L. E. p. 367; Lich. Suec. n. 24). On bark, very common at the north, and found also in North Carolina (Rev. Dr. Curtis). Now curiously suggestivo of Opegrapha atra. A Texan Uchen scarcely otherTi8e discernible offers â 6-locular spores, measuring 0,0] 8-19°""-long, and O.

. Genera lichenum [microform] : an arrangement of the North American lichens. Lichens; Lichens. 2. Spores 4-pluri-locular. A. diffusa, Nyl. m ZiYr. Trunks in the White Mountains (Oakes). A. lurido-alba, Nyl. in lift. On dead wood in the White Mountaina (Oakes). A. astroidea, Ach., Nyl. {Opegr. atrav.macularis, Fr. L. E. p. 367; Lich. Suec. n. 24). On bark, very common at the north, and found also in North Carolina (Rev. Dr. Curtis). Now curiously suggestivo of Opegrapha atra. A Texan Uchen scarcely otherTi8e discernible offers â 6-locular spores, measuring 0,0] 8-19°""-long, and O. Stock Photo
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. Genera lichenum [microform] : an arrangement of the North American lichens. Lichens; Lichens. 2. Spores 4-pluri-locular. A. diffusa, Nyl. m ZiYr. Trunks in the White Mountains (Oakes). A. lurido-alba, Nyl. in lift. On dead wood in the White Mountaina (Oakes). A. astroidea, Ach., Nyl. {Opegr. atrav.macularis, Fr. L. E. p. 367; Lich. Suec. n. 24). On bark, very common at the north, and found also in North Carolina (Rev. Dr. Curtis). Now curiously suggestivo of Opegrapha atra. A Texan Uchen scarcely otherTi8e discernible offers â 6-locular spores, measuring 0, 0] 8-19°""-long, and O.OOn-S""""-wide. A. mediella, Nyl. {Lich. Scand. p. 259. A. trabinella, Th. Fr. Lich. Arct. p. 240 e Nyl.). On dead wood, Greenland (J. Vahl e Th. Fr. 1. c.) A. ramosida, Nyl. {Prodr. Gall. p. 167). North America, Nyl. Enum. Gen. suppl). A. oxytera, Nyl. (in Frodr. FL N. Gran. p. 105, n.). Ob bark, Tarapico, Mexico, Nyl. 1. c. A. atrata (Fee) Nyl. Exp. N. Caled. {A. substeUata, Nyl. N. Gran. p. 106, fide ipsius). On bark, southern Texas (Mr. Eavenel). A. polymorpha, Ach. (Nyl. in Prorfr. Fl. N. Gran. p. J05, 6c in Herb. Lindign. 2603). On Bald Cypress; South Carolina (Mr. Ravenel). Not unlike specimens of A. spectabilis {the A. polymorpha. with scarcely any doubt, of Muhl. Catal.; as it is also the Opegr. poly- morpJia of the present writer's Syn. N. Eng. p. 76) bat with small, oblong- ovoid, quadriiocular spores. A. complanata, Fee (Nyl. N. Gran. p. 106, & in herb. Lindig n. 760). Trunks, South Carohna (Mr. Ravenel) and Alabama (Mr. Peters). A. pinguis, EL. Willey msc. On the young bark of White Pine, and observed also on other bark, Weymouth, and New Bedford, Mass. (Mr. Willey). Spores fusiform, 8-locular. A. platy- grapMdca, Nyl. (in Prodr. Fl. N. Gran. p. 104, «, ). On bark, Tampico, Mexico, Nyl. 1. c. 3. Spores muriform-mu;tilocular. A. interveniens, Nyl. (1. c. p. 104, n.). On Tilia, &c.. South Carolina (Mr. Ravenel). A. tccdiosa, Nyl. (1.