. The fungi which cause plant disease . Plant diseases; Fungi. 440 THE FUNGI WHICH CAUSE PLANT DISEASE L. abietina (Bui.) Fr. occurs on firs. L. sepiaria (Wulf.) Fr. has been reported as a parasite on pine, spruce, etc., but recent work of Spaulding ^^ shows it to be merely a saprophyte. L. cor- rugata Klot, L. vialis Pk. and L. betulina (L.) Fr. are common. Fig. 312.—Daidalea quercina on oak. After von Schrcnk and Spaulding. saprophytes on deciduous trees; perhaps also parasitic; L. varie- gata Fr. on beech and poplar. Boletaceae (p. 402) Sporophores fleshy, capitate, centrally or laterally s
. The fungi which cause plant disease . Plant diseases; Fungi. 440 THE FUNGI WHICH CAUSE PLANT DISEASE L. abietina (Bui.) Fr. occurs on firs. L. sepiaria (Wulf.) Fr. has been reported as a parasite on pine, spruce, etc., but recent work of Spaulding ^^ shows it to be merely a saprophyte. L. cor- rugata Klot, L. vialis Pk. and L. betulina (L.) Fr. are common. Fig. 312.—Daidalea quercina on oak. After von Schrcnk and Spaulding. saprophytes on deciduous trees; perhaps also parasitic; L. varie- gata Fr. on beech and poplar. Boletaceae (p. 402) Sporophores fleshy, capitate, centrally or laterally stipitate, rarely actually Siessile; hymenium on the under surface only, of tubes which separate readily from the pileus and are united to each other or only closely approximated. A family of less than three hundred species. Key to Genera of Boletaceae Pores adnate to each other I. Boletineae. Pores separate tubes II. Fistulineae. Sporophore more or less fleshy I. FistiUina, p. 441. Sporophore leathery Tubes with a central papilla 2. Theleporus. Tubes without pai)ill30 3. 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 Stevens, Frank Lincoln, 1871-1934. New York : Macmillan
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectfungi, bookyear1913
