Get The Cactaceae. Т.4 PDF

By Britton N.L., Rose J.N.

Show description

Read or Download The Cactaceae. Т.4 PDF

Best nonfiction_5 books

Get The Heat Kernel Lefschetz Fixed Point Formula for the Spin-c PDF

Reprinted because it initially seemed within the 1990s, this paintings is as an inexpensive text that should be of curiosity to quite a number researchers in geometric research and mathematical physics. The book covers a variety of options primary to the research and functions of the spin-c Dirac operator, employing the warmth kernels conception of Berline, Getzlet, and Vergne.

Get Visualizing Immunity PDF

The immune procedure isn't sure via a unmarried tissue yet is as an alternative bestowed with the problem of keeping off invading pathogens through the physique. consistent surveillance of the physique calls for that the immune approach be hugely cellular and ready to purge pathogens from all tissues. simply because each one tissue offers its personal precise structure and milieu, it will be significant for the immune approach to be as malleable because it is dynamic.

Building Vocabulary for College , Seventh Edition by R. Kent Smith PDF

Construction Vocabulary for school is a vocabulary worktext that is helping scholars bring up their educational vocabulary via a pragmatic, memorization-based method. clients love the ebook for its "conciseness but broadness of application," its concentrate on notice elements, its non-condescending tone, and its emphasis on educational phrases.

Additional info for The Cactaceae. Т.4

Example text

Echinocactus elephantidens Poselger, Allg. Gartenz. 21: 102. 1853. Cactus elephantidens Kuntze, Rev. Gen. Pl. 1: 260. 1891. CORYPHANTHA. 33 Simple, subglobose, up to 14 cm. high and 19 cm. broad; tubercles very large, somewhat flat­ tened, obtuse, 4 to 5 cm. long, densely woolly in the axils; areoles elliptic, when young woolly, in age naked; spines 8, all radial, somewhat unequal, subulate, the longest about 2 cm. long, spreading, when young brownish with yellowish bases, black at apex; flowers large, rose-colored, 11 cm.

Journ. 2: 51. Mammillaria pondii Greene, Pittonia 1: 268. 1889. Cactus pondii Coulter, Contr. U. S. Nat. Herb. 3: 102. 1894. 1899. Stems at first upright, cylindric, simple or few-branched, 7 cm. to 3 dm. high, hidden under a dense covering of spines; axils of tubercles setose; young areoles white-tomentose; radial spines white, whitish or sometimes brownish, 15 to 25, spreading; central spines 8 to 11, much longer and stouter than the radials, the longest 3 cm. long, 1 or 2 hooked; flowers slender, 5 cm.

Nat. Herb. 5: pl. 62; Schelle, Handb. Kakteenk. 245. f. 163; Tribune Hort. 4: pl. 140; De Laet, Cat. Gén. 28. f. 41; Gartenwelt 14: 331; Möllers Deutsche Gärt. Zeit. 25: 475. f. 8, No. 31; Succulenta 4: 80, as Mammillaria senilis. Figure 19 is from a photograph of a flowering plant; figure 20 is from a photograph of two flowers of a plant obtained in the Sierra Madre, Mexico, by I. Ochoterena in 1911; figure 21 is reproduced from the third illustration cited above. Fig. —Mamillopsis senilis. 2.

Download PDF sample

The Cactaceae. Т.4 by Britton N.L., Rose J.N.


by David
4.3

Rated 4.73 of 5 – based on 25 votes