Contributions from the Gray Herbarium of Harvard University Volume 6-15 (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. 1894 Excerpt: ...inch long and including the 8 or 10 spreading oblong golden-yellow rays, about 9 lines in diameter: involucre calyculate, about 20-phyllous; scales attenuate; disk-flowers 40 to 45, shortly 5-dentate: ligules 3 to 3 lines long, 1 to 1 lines broad, 4-nerved.--Collected by C. G. Pringle, on hills, at Las Sedas, Oaxaca, altitude 6,000 feet, 3 December, 1895, no. 6282. GrOchnatia Smithii. Shrub? leaves clustered near the ends of the branches, oblong, entire, obtuse, cuneate at the base, thickish, grayish and covered with a very fine short tomentum above (perhaps later glabrescent), much paler, tomentose and veiny beneath: heads in numerous slender close terminal globose glomerules, 8 lines long, about 6-fiowered; involucres green, very slender, and gradually turbinate; the scales in many (8 to 10) series, extending as it were down upon the pedicels, ovate to lanceolate, obtuse, pubescent: style-branches short, flattened, rounded: divisions of the corolla subequal, narrow: acheue subvillous, 1 to 2 lines in length.--Collected by L. C. Smith, on hills of Cuicatlan, 30 April, 1895, at 3,000 feet altitude; also by E. W. Nelson along road from Totolapa to San Carlos, altitude 3,000 to 3,800 feet, April, 1895, no. 2546. Noteworthy for its very long slender closely imbricated involucres and globose inflorescences, the latter about 2 inches in diameter. Perezia Cuernavacana. Glabrous: stems clustered, 2 to 3 feet high, striate-angulate, purplish, leafy: leaves oblong, obtuse and mucronulate at the apex, scarcely narrowed to the rounded subsessile base, sharply denticulate with pungent teeth, reticulated and lucidulous on both surfaces, 2 to 2 inches long, 9 lines broad, ascending, imbricated, the uppermost gradually reduced: heads few, very large, about 30f...