most a perfect circle. Does very 
well under cultivation, loves © 
lawns under tall trees. 
Polypedy Fern. Polypodium vul- 
gare. A small evergreen fern, 
used in indoor dishes. 3-6 in. 
Shade. Forms mats on rocks. 
Purple Cliff Brake. Pellaea atro- 
purpurea. Leathery - leaved, 
long, slender, blue-green fronds. 
Prefers rock niches, especially 
limestone. Evergreen. at its 
best in winter. 4-10 in. long. 
Pinnules heart-shaped at base. 
Rattlesnake Fern. Botrychium 
virginianum. Occurs in dry, 
open woods. Triangular fronds, 
finely cut, delicate. 1-2 ft. tall. 
Royal Fern. Osmunda regalis. Ei- 
ther moist or dry sites, sun or 
shade, but best grown in par- 
tial shade, where some damp- 
ness. Graceful, wide spreading. 
2-3 ft. tall. 
Sensitive Fern. Onoclea sensibilis. 
One of the easiest to grow, good 
cover for bare spots, 8-16 in., 
spreads rapidly. 
Spinulese Fern. Dryopteris spinu- 
lose. Medium size. Extensively 
used with cut flowers. Shade to 
partial shade. 
Spleenwort, Ebony. Asplenium 
platyneuron. Shaded rocks, es- 
pecially limestone. Excellent 
for indoor dishes. Evergreen 
sterile fronds, 4-8 inches. Sun 
or shade. 
Spleenwort, Silvery. Athyrium 
acrostichoides. Fruit dots on 
back of fronds have a silvery 
sheen. Two to 3 ft. tall. Roots 
spread moderately. Rich, moist 
woods sites; likes vicinity of 
shaded streams and swamps. 
Walking Fern. Camptosorus rhi- 
zophyllus. _Has a_ fascinating 
way of producing new plants 
by growing from the leaf tips. 
Some shade, prefers limestone 
rocks. 4-12 in. We send small 
piece of limestone with each 
plant; place under roots. 
Woodsia, Common, Blunt-Lobed 
' Woodsia. Woodsia_ obtusa. 
Bright sun to partial shade. 
Usually occurs on rocks. 6-20 in. 
Powdered Limestone. 20¢ per lb. 
