. Diseases of plants induced by cryptogamic parasites : introduction to the study of pathogenic Fungi, slime-Fungi, bacteria, & Algae . Plant diseases; Parasitic plants; Fungi. CLADOSPORIUM. 511 CI. Scribnerianum Cav. On leaves of Betula populifoUa in America and Italy. CI. hypophyllum Fuck. On leaves of Olmus cam/pestris. CI. tubenim Cooke. lu the tubers of Batatas edulis in Carolina, 3. Sect. Pheagmosporae. 1. Suhsect. Micronemeae. Clasterosporium. Conidia brownish, cylindrical or spindle-shaped, and consisting of three or four cells. Glasterosporium amygdalearum (Pass.) attacks t
. Diseases of plants induced by cryptogamic parasites : introduction to the study of pathogenic Fungi, slime-Fungi, bacteria, & Algae . Plant diseases; Parasitic plants; Fungi. CLADOSPORIUM. 511 CI. Scribnerianum Cav. On leaves of Betula populifoUa in America and Italy. CI. hypophyllum Fuck. On leaves of Olmus cam/pestris. CI. tubenim Cooke. lu the tubers of Batatas edulis in Carolina, 3. Sect. Pheagmosporae. 1. Suhsect. Micronemeae. Clasterosporium. Conidia brownish, cylindrical or spindle-shaped, and consisting of three or four cells. Glasterosporium amygdalearum (Pass.) attacks the leaves of almond, peach, apricot, cherry, and plum. An intercellular mycelium has been found, and roundish dry spots with reddish margins are formed. Thereon tufts of short conidiophores are developed, bearing cylindrical, thick-walled, pluricellular conidia. 01. glomerulosum Sacc. (Sporidesmium glom. Sacc, 1878, and Pleospora conglutinata Goebel, 1879). GoebeP iirst described this species as a parasite on Juniperus communis. A colourless intercellular mycelium is present, and in consequence the needles turn brown, die, and fall off prematurely. On the upper side of the needle the mycelium emerges through the stomata, and forms dark-grey coils from which the grey, ovoid, pluricellular conidia are given off. Ceratophorum. Conidia brownish, spindle-shaped or cylmdrical, three or more celled, cytuus capuatus. Leaf with diseased thp iiTinpr ppll with terminal apices. An isolated spore with its me upper Ceil Wltn terminal appendages. (After Klrchner.) bristles. 0. setosum Kirch. Dark spots occurring on the leaves, petioles, and shoots of young plants of Cytisus Laburnum,, etc., were found to enlarge and bring about death and defoliation. Kirchner found the leaf-tissue permeated by a colourless septate mycelium, which gives ofl' conidia on both sides of the leaf. The conidia resembled those of Festalozzia, but their cell-number ' Wurtemburg naturwiss. Jahreshefte, 1879. Zeitschri/
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