The Foliaceous and Fruticose Lichens of the Santa Cruz Peninsula, California

The Foliaceous and Fruticose Lichens of the Santa Cruz Peninsula, California

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This historic book may have numerous typos and missing text. Purchasers can usually download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1906 edition. Excerpt: ...336. 1803. Cladonia pyxidata pocillum Tuck. Syn. N. Am. Lich. I: 241. 1882, Primary thallus of ascendant, minute to medium-sized or large squamules, entire or crenate-lobed; more rarely appressed or adnate and sub-crustaceous; pale or sage-green to ashy or olive-brown. Podetia simple, short, stout, turbinate, typically naked; usually rising from centre of squamules; in some varieties with the upper part covered with a sorediose powder; KOH--or rarely greenish yellow; cups dilated, with margins entire or more or less denticulate or proliferous. Apothecia rare, small, becoming confluent and even large; brown. An exceedingly variable lichen, with several distinct forms in our territory. Var. COSTATA Flk. This form is distinguished by the longitudinally furrowed podetia, which are basally more or less warty or sub-squamulose, while the cups are usually granular warty or even squamulose within. Var. CHLOROPHZEA Flk. In this variety the podetia are covered with a yellowish-greenish or sulfur-colored sorediose powder, or with warty granules. Var. POCILLUM Ach. In this variety the thallus is of reduced, appressed or adnate squamules, becoming sub-crustaceous; the naked podetia are small, short and narrow, and are rarely seen fruiting. The typical form occurs on rocks, earth, and old stumps, probably throughout. The variety chlorophwa is abundant and finely developed on earth in the foothills and mountains; the variety costata is found in the mountains, on rocks and earth; the variety pocillum has been collected on the roofs of old houses at Mayfield and elsewhere in the Bay region, and also on earth at Twin Peaks, San Francisco. A truly cosmopolitan lichen but most abundant in the temperate regions. 9. CLADONM FIMBRIATA (L.) E. Fries....show more

Product details

  • Paperback | 112 pages
  • 189 x 246 x 6mm | 213g
  • Rarebooksclub.com
  • United States
  • English
  • black & white illustrations
  • 1236942450
  • 9781236942456