
Fire thorn.
Pyracantha coccinea, at Boyce Thompson Arboretum State Park, Superior, Arizona.

Fire thorn.
Pyracantha coccinea, at Boyce Thompson Arboretum State Park, Superior, Arizona.

Fire thorn.
Pyracantha coccinea, at Boyce Thompson Arboretum State Park, Superior, Arizona.

This is, I think, a curly variant of Echeveria – a type of hen-and-chicks succulent.
At Boyce Thompson Arboretum State Park in Superior, Arizona.

This is, I think, a curly variant of Echeveria – a type of hen-and-chicks succulent.
At Boyce Thompson Arboretum State Park in Superior, Arizona.

Soft fall.
Chinese pistache (Pistacia chinensis), in muted autumn hues, at the Boyce Thompson Arboretum State Park in Superior, Arizona.

Soft fall.
Chinese pistache (Pistacia chinensis), in muted autumn hues, at the Boyce Thompson Arboretum State Park in Superior, Arizona.
Three aloes.
Three aloes.

Wavy scaly cloak fern.
That’s really its name. Native Astrolepis sinuata at Boyce Thompson Arboretum State Park in Superior, Arizona.

Wavy scaly cloak fern.
That’s really its name. Native Astrolepis sinuata at Boyce Thompson Arboretum State Park in Superior, Arizona.