. A monograph of the Mycetozoa, being a descriptive catalogue of the species in the herbarium of the British Museum. Illustrated with seventy-eight plates and fifty-one woodcuts. Myxomycetes. LICEACEiE. 149 Dictydium umUlicatum, with two to four minute purple granules on the spore wall; the stalks are stout and rugged, but of the same purple-brown colour as in the latter species. The type of Crihraria exilis Maobride, from Nicaragua (B. M. 1026), is an almost typical . form of Dictydium umbiUcatum, with a shallow cup connecting the slender parallel ribs at the base. Hab. On dead wood.—Lyme Eeg
. A monograph of the Mycetozoa, being a descriptive catalogue of the species in the herbarium of the British Museum. Illustrated with seventy-eight plates and fifty-one woodcuts. Myxomycetes. LICEACEiE. 149 Dictydium umUlicatum, with two to four minute purple granules on the spore wall; the stalks are stout and rugged, but of the same purple-brown colour as in the latter species. The type of Crihraria exilis Maobride, from Nicaragua (B. M. 1026), is an almost typical . form of Dictydium umbiUcatum, with a shallow cup connecting the slender parallel ribs at the base. Hab. On dead wood.—Lyme Eegis, Dorset (); Wan- stead, Essex (); Luton, Beds () ; Glamis, Scotland (B. M. 241) ; France (Paris Herb.) ; Germany (B. M. 660, 663) ; Italy (B. M. 659) ; Ceylon (B. M. 670) ; Borneo () ; Maine (B. M. Il05) ; Philadelphia ( 119) ; Iowa (B. M. 821) ; S. Carolina (B. M. 666); Nicaragua (B. M. 1026). SPECIES NOT MET WITH IN THE QUOTED COLLECTIONS. 2. D. venosum Schrad., Nov. Gen. Plant., p. 14, pi. iii., fig. 6 (1797). Scarcely a line high; sporangia spherical, cernuous, more or less as in B. umbiUcatum, yellowish-brown, when the spores are shed, colourless; veined with nine to twelve ribs of rather a brighter colour, the final branches of the ribs lateral, usually not anastomosing; stalk slender, fiexuose, brownjsh. Hab. On rotten pine wood. Possibly a form of D. umbiUcatum, with an irregular net. Order II.— Sporangia solitary, sessile or stalked; sporangium-wall cartilaginous; capillitium and columella wanting. KEY TO THE GENERA OF LIGEACE^. Sporangia sessile, globose or plasmodiocarps. (25) Licea. Fig. 33.—Licea flexuosa Pers. a. Group of plasmodiocarps. Twice natural size. h. PlasmoJiooarp. Magnified 6 times. V. Spores. Magnified 200 Fig. 33. Sporangia stalked, furnished with a lid of thinner substance. (26) Okcadella. Fig. 84.— Oroadella operculata Wingate. a. Group of sporangia. Magnified 8 times. i. Sporang
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Keywords: ., bookcentury1800, bookdecade1890, booksubjectmyxomyc, bookyear1894
