. Synopsis of the British Basidiomycetes ; a descriptive catalogue of the drawings and specimens in the Department of botany, British museum. uous then septate. (Fig. 122.) Massee has removed 2040 and made it the sole type of a newgenus, Dacryopsis. It is undesirable to break up such a small andnatural genus as Ditiola. Dacryopsis is said to be distinguished fromDitiola by having the hymenial surface at first covered with conidio-phores and conidia as in Tuberculari a ; but this is hardly a distinctionof generic value as conidia are present in some species of Tremellaand not in others. Species
. Synopsis of the British Basidiomycetes ; a descriptive catalogue of the drawings and specimens in the Department of botany, British museum. uous then septate. (Fig. 122.) Massee has removed 2040 and made it the sole type of a newgenus, Dacryopsis. It is undesirable to break up such a small andnatural genus as Ditiola. Dacryopsis is said to be distinguished fromDitiola by having the hymenial surface at first covered with conidio-phores and conidia as in Tuberculari a ; but this is hardly a distinctionof generic value as conidia are present in some species of Tremellaand not in others. Species 2039—2041 2039. D. raclieata Fr. (from the rooting base; radix, a root) a , rooting, cups nearly plane, disc golden-yellow. St. thick, , fir, amongst pine-leaves, i X J in. No conidia recorded. 458 TREMELLINACE/E D itiola 2040. D. nuda B. & Br. (from the absence of a veil; nudus,naked) subpileiform, corrugate, sometimes umbilicate, golden-yellow. St. somewhat thick, not rooting, cylindrical, white-tomentose. Fruiting surface at first covered with conidio-phores and , fir. Sept. \ X 5 Fig. 122.—a, b, Ditiola Ulicis Plowr., entire and in section. X , basidium and spores. X 500. 2041. D. Ulicis Plowr. (from the habitat, gorse, Ulex europcEus) a globose, then flattened and wrinkled, pale lemon-yellow,,slightly white-villous. St. firm, paler than head, sometimesabsent or extending only from the wood through the stems; very common. Jan. \ x \ in. No conidia recorded. [The genus Apyrenium Fr. is omitted. A. lig?iatile Fr. is theconidial stage of Hypocrea rufa Fr. A. armeniacum B. & Br. is thesame condition of H. gelatinosa Fr. Hymenula punctiformis B. & an imperfect form of some fungus not belonging to theTremellinacecc. ] Ithyphallus PHALLOIDACE^ 459 Order II. GASTEROMYCETESFam. VII. PHALLOIDACEjE Pileus and stem or latticed receptacle at first enclosed in auniversal volva of two membranes with a middle gel
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