An analysis of the epithelial cell ultrastructure of secretory ducts in the primary phloem of Rhus toxicodendron was performed quantitatively using stereological techniques. The quantitative ...

THE ability of man, at a later time, to laugh over the pains of yesterday preserves him from becoming, as the case may be, a prig, a bore, or a hypochondriac. To-day I can smile, actually smile, at ...

KNOW your trees and shrubs as beautiful, ornamental trees may in fact be quite toxic and cause allergic reactions. After a stint of gardening, a Hillcrest resident broke out into a severe rash on his ...

McNair, James B. 1925. "The geographical distribution in North America of poison ivy (Rhus toxicodendron) and allies." American Journal of Botany, 12, (6) 338–350.

At Winona Lake, Ind. last week to the village’s Venus de Milo near the firehouse (moved recently after 20 years on a less central site) went Mrs. Mary Schell Starr, armed with greenery. Carefully she ...

Sumac is the common name for a genus (Rhus) with >250 individual species of flowering plants in the family Anacardiaceae. These plants are globally distributed in temperate and tropical regions and ...

Up until recently, New Englanders had two notorious plants that cause high levels of skin rash and irritation. We are taught early to give wide berth to "leaves of three" in reference to poison ivy.

Sumac is the common name for a genus (Rhus) that contains over 250 individual species of flowering plants in the family Anacardiaceae. These plants are found in temperate and tropical regions ...