. Introduction to cryptogamic botany. Cryptogams. INTRODUCTION TO OEYPTOGAMIC BOTANY. S99 The gonidia in this genus, as also in Synalyssa, which belongs to another tribe, are totally diiFerent from those of Lichina and approach closely the type oi Palmella, figured at p. 118.* Mastodia has the habit and form of an Ulva, but the peri- thecia are those of Lichinei. Ephebe also finds its true place here, after being shifted about in various directions. The frond is essentially that of an Alga, and is destitute apparently of. Fig. 84. a. Paulia perforata, Mont. Gonidia and asci, from a specimen co
. Introduction to cryptogamic botany. Cryptogams. INTRODUCTION TO OEYPTOGAMIC BOTANY. S99 The gonidia in this genus, as also in Synalyssa, which belongs to another tribe, are totally diiFerent from those of Lichina and approach closely the type oi Palmella, figured at p. 118.* Mastodia has the habit and form of an Ulva, but the peri- thecia are those of Lichinei. Ephebe also finds its true place here, after being shifted about in various directions. The frond is essentially that of an Alga, and is destitute apparently of. Fig. 84. a. Paulia perforata, Mont. Gonidia and asci, from a specimen com- municated by Dr. Montagne. Magnified. b. Calieium tympanellum. Peritheeium and sporidia from Moug. and Nest., No. 859. Magnified. c. Graphis Leprevostei, Mont., representing a portion of the natural size; a young fertile swelling cut through, showing the excipulum; young asoi from the same, with branched tissue, in which they are in- volved, and a sporidium, All more or less magnified. From a Cuban specimen, from Dr. Montagne. true gonidia. Some species, in fact, so closely resemble Seiro- siphon, that without the fruit they could never be separated. One or two filiform species of doubtful affinity yet remain, especially Gystocoleus ; but without true fruit it is impossible to speak with certainty. Tulasne finds, in Lichina confinis, sper- matogonia on the same branches with the perithecia, and * See Thwaites, in Ann. of Nat. Hist., vol. 3, p. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Berkeley, M. J. (Miles Joseph), 1803-1889. London, New York, H. Bailliere; [etc. ,etc]
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