Read e-book online A Preliminary Revision of the North American Species of PDF

By John M. Coulter

Contributions from the U.S. nationwide Herbarium, 1894.

Show description

Read or Download A Preliminary Revision of the North American Species of Cactus... PDF

Similar nature & ecology books

National Geographic (June 2004) - download pdf or read online

The tip of inexpensive OIL
THE SHITES OF IRAQ
UNDER MONTEREY BAY
CLIFF-HANGING TOMBS
SPRAWL at the MALL?
AT domestic WITH FLICKERS
ZIP united states: PAWTUCKET, RI
BONUS: TEAR OUT MAP OF WASHINGTON, DC

Download e-book for kindle: I Am the World's Oldest-Known Living Tree by Gilbert Thibault

Whereas touring north on California street 395 in the summertime of 1996 together with his younger daughter and niece, Gil Thibault came across the Bristlecone Pine nationwide woodland from only a small street register huge Pine, California. He used to be surprised by way of the exact attractiveness, structure, and toughness of the timber. His wish to write a publication concerning the Bristlecone Pines stayed subdued, yet by no means went extinct.

New PDF release: The rural life

Celebrates the agricultural lifestyles, its pleasures and hardships, and the wonderful thing about the yank panorama, in a chain of reflections resembling the months of the 12 months. summary: Celebrates the agricultural lifestyles, its pleasures and hardships, and the great thing about the yankee panorama, in a chain of reflections reminiscent of the months of the yr

Additional info for A Preliminary Revision of the North American Species of Cactus...

Example text

Radiosus) is distinguished from C. ) radial spines, usually more numerous (3 to 14) central spines in which the upper are more robust than the lower, porrect lower central, obtuse stigmas, and brown obovate straight seeds. 20135—No. 2——3 9 120 58. ). Mamillaria vivipara Engelm. Pl. Fendl. 49 (1849), not Haw. (1819). Mamillaria radiosa Engelm. Pl. Lindh. 196 (1850). Mamillaria vivipara radiosa texana Engelm. Syn. Cact. 269 (1856). 5 cm. high and about 5 cm. in diameter, simple or sparingly proliferous: tubercles terete, more or less grooved above, 8 to 12 mm.

Tetrancistrus (22). II. Tubercles with a more or less prominent groove. † * Central spines none. Radials whitish and rigid, oppressed (pectinate) and interwoven with adjacent clusters. † † Depressed-globose and simple. compactus (44). Globose and simple. radians (45), corniferus (47). Cespitose. pectenoides (46), sulcatus (49). Radials more slender and spreading. Radials 10 to 17. missouriensis (37), similis (38), macromeris (64). Radials 30 to 50, capillary. dasyacanthus (51). † * * Central spine solitary, not hooked.

Type unknown. Referred to Mexico in general, but reported definitely only from San Luis Potosi. ” Specimens examined: San Luis Potosi (Eschanzier of 1891): Mexico in general (specimens from Coll. Salm-Dyck in 1858; Schott of 1858): also specimens cultivated in Mo. Bot. Gard. in 1881; also growing in same garden in 1893. 3. Anhalonium furfuraceum (Watson). Mamillaria furfuracea Watson, Proc. Amer. Acad. xxv. 150 (1890). 5 to 3 cm. —Type, Pringle 2580 in Gray Herb. At Carneros Pass, Coahuila. Specimens examined: Coahuila (Pringle 2580 of 1889).

Download PDF sample

A Preliminary Revision of the North American Species of Cactus... by John M. Coulter


by Kevin
4.1

Rated 4.82 of 5 – based on 29 votes