. Flo. 115.—Ploicrightia mor- bosa. Ascus, with eight spores. Spores in gcrtnina- tion. Filamentous jNira- physes. (Cop. fruin Farlow.) I' \\i.~PloirngUli<i „ioibom. (v. Tiibciif jiliut.) injurious and widely distributed disease of various species of rrunas, especially plum and cherry. Tlie living branches ami twigs become coated with a crust of warty excrescences, and at the same time are more or less thickened and dcrniiui'd. A mycelium permeates the tissues of tliose swollen Iwii^s, and forms black crusty stromata in which the perithecia are embedded. The perithecia contain sim})le p
. Flo. 115.—Ploicrightia mor- bosa. Ascus, with eight spores. Spores in gcrtnina- tion. Filamentous jNira- physes. (Cop. fruin Farlow.) I' \\i.~PloirngUli<i „ioibom. (v. Tiibciif jiliut.) injurious and widely distributed disease of various species of rrunas, especially plum and cherry. Tlie living branches ami twigs become coated with a crust of warty excrescences, and at the same time are more or less thickened and dcrniiui'd. A mycelium permeates the tissues of tliose swollen Iwii^s, and forms black crusty stromata in which the perithecia are embedded. The perithecia contain sim})le para])hyses ami eight- spored asci. The spores consist of a larger and a much smalh-r (I'll. (l'ycno-C(jnidia arc produced frecpicntly in arliticial culture, 'Kiiiliiw. HiUhtin liiisiiij ;iii, I'ait v., 1S7(). HuiMpliny, Annual Iti/tort of M( Kjjh r. Stddun, 1890. LodfiiiiUi (('oi-nfll I'uir. Expff. Stu/ion, Itulhtin No. Kl, iS'.t-l) givi-ti geiUTiil iu-coiiiit nf iiiiil ii 15ililij.'ra|)liy.
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Keywords: ., bookcentury1800, bookdecade1890, booksubjectparasit, bookyear1897
