Creepy Cultivars
The word "cultivar" is a blend of the words "cultivated" and "variety".…
Extraordinary Oak Leaves
Cabinet of CuriositiesSpecimen Stories
Oak trees are a familiar sight to people all around the world,…
Rainbow of Plant Dyes
People have been dyeing their clothing with plants since ancient times. All around…
Eight Days of Oil
Oil has a special significance for those who celebrate Hanukkah. This Jewish…
Life in Slot Canyons
Cabinet of CuriositiesExpeditions
Slot canyons are deep channels eroded into rock. They are often ten…
Oro City – A Colorado Ghost Town
Oro City was a gold placer (stream-bed) mining town in Colorado, founded…
John Torrey’s Trip to California and Colorado, 1872
In July of 1872, John Torrey and his daughter Margaret departed on…
Astragalus osterhoutii, Osterhout milkvetch
Astragalus osterhoutii M. E. Jones (or Osterhout milkvetch) is an herbaceous plant known…