Stagonospora Amorphae Dearn. & Bisby, sp. nov. Pycnidia scattered, covered by the epidermis which is ruptured only by the slight ostiolum, rather flat, mostly elliptical, reaching 340 X 180 fx, depth 100 jx; wall dark, thin, membranous, thicker on top. Conidia almost sessile on the thin cellular layer lining the wall, hyaline, cylindric, 4-celled, usually 2 oil drops in each cell, 42-56 X 4-6 fx. Apparently causing die-back of green twigs of Amorpha fruticosa; Winnipeg, Man.; Aug. 1925; Sept. 1927. G. R. Bisby: 2547, 3633. (D. 5924.)
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John Dearness (1926) studied this question.