Contributions from the New York Botanical Garden Volume 1 - Tapa blanda

Reseña del editor

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. 1899 edition. Excerpt: ...very narrowly linear-oblanceolate, acute, 5--10 cm. long, 1--3 mm. wide, sparingly strigose; stem-leaves narrowly linear, 2--6 cm. long, scarcely over i mm. wide: heads solitary: involucre 12--15 mm-m diameter, grayish villous-hirsute: bracts in 2--3 series, subequal, linear-lanceolate, long-acuminate: rays numerous, blue or purple, 7--8 mm. long, 1--1.5 nim. wide. This species is nearest related to E. Montancnsi;, from which it differs in the narrower, blue or purple rays and longer and less pubescent leaves. It grows at an altitude of 2000--2700 m. Wyoming: Little Goose Creek, 1899, F. Tivecdy, 2005 (type); Headwaters of Clear Creek and Crazy Woman River, 1900,0/0. Carduus Centaureae sp. nov. (?) Cnicns carlinoides var. Americaniis A. Gray, Proc. Am. Acad. 10: 48. 1874. Not Cirsium acaule var. Amcricanus A. Gray. 1863. (?) Cnicus Americamis A. Gray, Proc. Am. Acad. 19: 56. Biennial or perennial. Stem rather slender, 6--10 cm. high, striate, often tinged with red, slightly floccose when young: basal leaves about 2 dm. long, thin-petioled, deeply pinnatifid to near the midrib, above light green, sparingly floccose when young, glabrate in age, beneath more or less permanently grayish-to-mentose; lobes lanceolate or triangular, 2-4 cm. long, more or less toothed and tipped with weak spines, 1--3 mm. long; lower stem-leaves similar but petiole more winged, dilated at the base and short decurrent; the upper sessile and clasping with an auricled base; the uppermost lanceolate and undivided: heads 2--2.5 crn-high and 1.5--2 cm. in diameter: outer bracts narrowly lanceolate, yellowish, often with darker center, fimbriate on the margin and tipped with a flat weak spine 1-2 mm. long: the inner with dilated deltoid scarious fimbriate tips which are merely...