Museum Bulletin Volume 121-123 (Paperback)

This historic book may have numerous typos and missing text. Purchasers can download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1908 Excerpt: ...is based chiefly on collections and observations made by Mr John Dunbar of Rochester in Buffalo and Niagara Falls between 1901 and 1906. In it are also included a few species distinguished at Rochester since the publication in the fourth volume of the Proceedings of the Rochester Academy of Science in 1903 of my paper on Crataegus in Rochester, and a few others discovered in the valley of the Genesee river south of Rochester by Messrs Baxter and Dewing of Rochester, and in Canandaigua and Chapinville, Ontario co. by the Rochester botanists. 1 NUTLETS WITHOUT VENTRAL CAVITIES I CHUS-GALLI Leaves obovate, cuneate, coriaceous, dark green and shining above, mostly glabrous, usually serrate only above the middle, their veins thin except on vigorous shoots and often within the parenchyma; calyx glabrous; fruit oblong to subglobose; nutlets 1-3, obtuse and rounded at the ends, prominently ridged on the back. Veins within the parenchyma Stamens 10 or less Anthers rose color.. 1 C. crus-galli var. pyracanthifolia Anthers white 2 C. arduennae Veins prominent Anthers pale pink. Stamens 9-10 3 C. geneseensis Stamens 10-20 Flowers at least 1.8 cm in diameter, in broad many-flowered corymbs; leaves broadly ovate; fruit crimson; spines stout..4 C. robusta Flowers not more than 1.2 cm in diameter, in few-flowered corymbs; leaves narrowly obovate; fruit bright cherry-red; spines slender 5 C. cerasina Crataegus crus-galli var. pyracanthifolia Aiton Hort. Kew. 11. 170 (1788). Sargent, Silva N. Am. XIII. 39, t. 637; Bot. Gazette XXXV. 100; Man. 369. Niagara Falls, J. Dunbar and C. S. Sargent (# 17), September 16, 1904, J. Dunbar, September 27, 1905 and June 1906; Rochester. Baxter and Dewing ( # 314), June 10 and October 15, 1905; also at Niagara on the Lake, Ontario and in De...