Page:The Living Flora of West Virginia and The Fossil Flora of West Virginia.pdf/79

Rh WEST VIRGINIA GEOLOGICAL SURVEY

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P. MIXTA B. & C. On fire-killed Liriodendron Tulipifera, Oct. 16, 1894. Sporules appendiculate at each end, 2-nucleate, 7 to 10 x 2 to 3 ц, oblong fusoid ; the accompanying filiform process hooked at the apex 20 x .75 to 1.5 ц (Nuttall, 170g). P. SCABRA Sacc. On Platanus occidentalis, March 30, 1894 (Nuttall, 1459, 434)P. obscurans E. & E., Proc. Phila, Acad., 1894, 357. Tvte habitat: On leaves of Fragaria cult., July 8, 1894 (Nuttall, discov. 1600, 554). Spots 5 to 8 mm. diameter, with a ferruginous center and broad purple border, paler below. Perithecia few, scat tered, convex prominent. Sporules oblong-elliptical, hyaline 2-nucleate, 4.5 to 5.5 x 1.5 to 2 /1. Basidia simple, lanceolatefusoid, 8 to 12 x 1.5 /1. Phyllosticta fragaricola Desm. has similar sporules, but the spots are much smaller, with a white center. The basidia also indicate Plwma and not Phyllosticta. P. ilicicola (C. & E.) Sacc. On leaves of Ilex opaca, June 18, 1893 (Nuttall, 1017). P. Spiraeae Desm ? On Opulaster opulifólius, May 13, 1894. Sporules 10 to 13 x 2 ц (Nuttall, 1508, 489). P. Herbarum West. On Onagra bieunis, March 18, 1894 (Nuttall, 1435, 406). P. Phvtolaccae B. & C. On stems Phytolacca decandra, July 31, 1893 (Nuttall, 1 140). P. pedUNculi E. & E., Proc. Phila. Acad., 1894, 357. Type habitat: On old peduncles Magnolia Fraseri, Jan., 1894 (Nuttall, discov. 1339, 297). Perithecia scattered, flattish pustuliform, .5 to .75 mm. diameter, with a prominent papilliform ostiolum. Sporules fusoid-oblong, hyaline, 2 to 3 nucleate, 7 to 11 x 2 to 2.5 ц ends acute. Differs from Stagonospora peduncuJi in its larger, flatter perithecia and fusoid-oblong (not cylindrical), rather shorter sporiiles. P. UVICOLA B. & C. On Vitis cult. (Concord), July 4, 1893 (Nuttall, 1108, 94). P. Nyssaecarpa Cooke. On dead limbs Nyssa aquatica, April 15, 1895 (Nuttall, 1809, 696). Sporules 10 x 3 /i. P. samararUM Desm. On samaras Acer Pennsylvanicum, Feb. 2. 1894 (Nuttall, 1363, 321).