. Genera lichenum [microform] : an arrangement of the North American lichens. Lichens; Lichens. !| (278) Apotliocia prominula, dopresso-globosa, pcrithecio atro, aniplii- theoio incolore 1. doi» nigricanto, capillaribiis. Sp'M-a', oblongo-ovoidea; 1. oblonga', e simi)li('i bi-(iiia(lriI()cularos, incolorcs. Spermatia obhuiga; storigmatibus simplioibus. liypophlo'- odes epipbyllus, in criistam teuueiu subinde elllgurataui doinum routlueua. At tho very limits of tlio tribe, and of class in this direction, Strigula offers forms so oiejjant that wo may well at first liesita
. Genera lichenum [microform] : an arrangement of the North American lichens. Lichens; Lichens. !| (278) Apotliocia prominula, dopresso-globosa, pcrithecio atro, aniplii- theoio incolore 1. doi» nigricanto, capillaribiis. Sp'M-a', oblongo-ovoidea; 1. oblonga', e simi)li('i bi-(iiia(lriI()cularos, incolorcs. Spermatia obhuiga; storigmatibus simplioibus. liypophlo'- odes epipbyllus, in criistam teuueiu subinde elllgurataui doinum routlueua. At tho very limits of tlio tribe, and of class in this direction, Strigula offers forms so oiejjant that wo may well at first liesitato as to their real rank. Scfjestria cpiphifUa, as it grows on tho leaves of Cul)a, in tho midst of tho curiously varied forms of Stn'tfula Feci and S. nematliora, looks rather like a crustacicous lichen environed by ctTlgurato ones; and it needs a second thought to recognize tho formcj- as in fact tho liighor. Wo owe to Moutagno a full explication of tills curious typo; and to Dr. Nylan- dor (1. c.) tho more important results of later criticism. Five species were described by Montagno in the IHantcft CcUnlaircs of (Uiba; and this number was afterwards increased, from other tropical regions, by tho author of that work, to eight. Three of these have been well united by Dr. Nylander; and one {S. rohihi, Mont.) which, if I do not err in considering it represented in Mr. Wright's collections, may be «aid to combine tho thallus of Strigula with gyranocarpous, lecanoroid apothecia, has been referred, by tho same lichenographor, to IHatifgrapha. Jixcept tho very doubtful S. Bahhigtonii, IJerk., found on Box and Laurel loaves in England, and since relegated to Fungi by its original doscriber, the group is a tropical one; one species appcipring however within our limits. S. complunata (Fee, Mont.) Nyl. (»S'. Feci (f- romplanatd, I^Iont.). On the leaves of Magnolia gmmliflora; middle Alabama (Mr. IJwiumont, (!orara. Curtis) and Houston, Texas (Mr. Ravenel). Tho more or less oblong-ovo
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Keywords: ., bookcentury1800, bookdecade1870, booksubjectlichens, bookyear1872
