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Natural HistoryTrees and ShrubsCottonwoods - 3 Species
Cottonwoods, Part Five
Senior Citizen
 

Collateral Cost

photo: oyster mushrooms growing at base of cottonwood treePerhaps no one other than a "shroomer" will ever notice or care, but departing cottonwood habitats take with them the Pleurotus ostreatus (plu-RO-tus = "layers"; os-tree-AYE-tus = "oyster"), or "oyster mushroom," which emerges from dead cottonwoods in spring and fall. It is edible and, as is known today, is medicinally useful in reducing cholesterol.

Mushrooms are mentioned by the journalists only once. On June 19, 1806, Pierre Cruzatte brought Captain Lewis several large morels possibly black morels, Morchella angusticeps (mor-CHELL-a = "Moorish," ang-goo-STY-ceps = "narrow"), or sponge morels, Morchella esculenta (es-koo-LEN-ta ="edible"). Lewis roasted and ate them "without salt pepper or grease," and found them "truly an insippid taistless food." Fortunately for them, Cruzatte's knowledge of the morel was accurate, and he evidently knew better than to recommend any other species to his Corps mates.

--Joseph Mussulman, 05/2001

Cottonwoods, Part Five
Senior Citizen


 
From Discovering Lewis & Clark ®, http://www.lewis-clark.org © 1998-2014
by The Lewis and Clark Fort Mandan Foundation, Washburn, North Dakota.
Journal excerpts are from The Journals of the Lewis and Clark Expedition, edited by Gary E. Moulton
13 vols. (Lincoln: University of Nebraska Press, 1983-2001)