. The Gardeners' chronicle : a weekly illustrated journal of horticulture and allied subjects . Fig. io!>.—diseased potato : internal spotting. very freely. The pseudo-bulbs are fusiform-oblong, about 3 inches long, and they bear threeto four oblong or elliptical-oblong leaves, 1 toIf inch long by 5 to 9 lines broad, and one tothree terminal flowers, which are very large forthe size of the plant; the sepals measuring 9 to10 lines, and the petals 10 to 12 lines long. Thelatter are united with the foot of the columnand prolonged behind into a broad mentum or * Rolfe in Journ. Linn. xxxv
. The Gardeners' chronicle : a weekly illustrated journal of horticulture and allied subjects . Fig. io!>.—diseased potato : internal spotting. very freely. The pseudo-bulbs are fusiform-oblong, about 3 inches long, and they bear threeto four oblong or elliptical-oblong leaves, 1 toIf inch long by 5 to 9 lines broad, and one tothree terminal flowers, which are very large forthe size of the plant; the sepals measuring 9 to10 lines, and the petals 10 to 12 lines long. Thelatter are united with the foot of the columnand prolonged behind into a broad mentum or * Rolfe in Journ. Linn. xxxvi., p Vrch Rev., 1903, p. 103. sac some 4 to 5 lines long, which is obtuse, notacute, as in all other members of the Formossegroup, to which it evidently belongs, for it haathe characteristic black hairiness on the pseudo-bulbs and leaves from which the other name ofthe group, Nigro-hirsutae, was derived. The lip-is pandurately trilobed, and 13 to 15 lines long,with the side lobes rounded, and the front lobe-obcordately bilobed, while the disc bears five. Fig. do.—plant of piiytophthora infestans showing the conidial stage. (Highly magnified.) verrucose keels. Micholitz describes the plant asgrowing in dense tufts, the leaves as glaueons>the sepals and petals as white, the front lobe of
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Keywords: ., bo, bookdecade1870, booksubjectgardening, booksubjecthorticulture
