. 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. MYCBTOZOA de Bary. Subclass I.—EXOSPORE^. Spores developed outside the sporophores. Order I. — Ceeatiomyxace^. Sporophores membranous, branched; spores white, borne singly on filiform stalks rising from the areolated sporophore. Genus 1.—CERATIOMYXA Schroeter, in Engl, and Prantl, Nat. Pflanzenfam., i., 1, p. 16 (1889). Sporophores consisting of membranous processes, either simple branches from a common b
. 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. MYCBTOZOA de Bary. Subclass I.—EXOSPORE^. Spores developed outside the sporophores. Order I. — Ceeatiomyxace^. Sporophores membranous, branched; spores white, borne singly on filiform stalks rising from the areolated sporophore. Genus 1.—CERATIOMYXA Schroeter, in Engl, and Prantl, Nat. Pflanzenfam., i., 1, p. 16 (1889). Sporophores consisting of membranous processes, either simple branches from a common base, or forked, or forming a network. The periphery is mapped out into polyhedral areolas, from the centre of each of which arises a slender stalk bearing a single ellipsoid colour- less spore.—Ceratium Alb. & Schw., Oonsp. "J Fung., p. 358 (1805) non Schrank (1793). Fig. 9.—Ceratiomyxa mucida Schroet. a. Clusters of sporophores, Twice natural size. i. Sporophore. Magnified 40 times. e. Four areolse of mature sporophore : one spore still attached to its stalk, and another free. Magnified 480 times. Kg. 9. 1. C. mucida Schroet., Plasmodium colourless. Sporo- phores white or pinkish-yellow, membranous, either rising from a common hypothallus in a tuft of simple or forked, fasciculate obtuse branches, 1 mm. or more high, -07 mm. thick, or more or less interwoven in broad perforated bands, from which arise irregular and anastomosing lobes; the membranous wall is divided, chiefly on the upper part of the sporophore, into somewhat hexagonal areolae about 10 ju, broad; a membranous stalk bearing the spore arises from the centre of each areola. Spores white smooth ovoid, 10 X 6 to 13 x 7 /j,.—Macbride, in Bull. Nat. Hist. Iowa, ii., p. 114. Iscuria mucida Pers., in Romer, N. Mag. Bot., i., p. 121 (1794). Oeratimn hydlmoides Alb. & Schw., Consp. Fung., p. 358. Fr., Syst. Myc, iii., p. 294; Fam. & Wor., in Mem. Acad. Imp. Petersb. (1873), Ser. 7, xx., p.
Size: 1649px × 1515px
Photo credit: © The Book Worm / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1800, bookdecade1890, booksubjectmyxomyc, bookyear1894
