12 Fermlale Nursery—Askov, Minnesota 1937 
Letters following 1 common name of fern indicated adapt¬ 
ability of variety to growing conditions. R. indicates adapt¬ 
ability for rock garden; B. for bog or wet locations; S. for 
shady places; O. for open sun. Varieties well adapted for 
foundation plantings are so indicated. 
GROUP 1 
10 100 
RS—AMERICAN MAIDENHAIR—Foundation. 
Adiantum pedatum, 8—12 in.$ .80 $ 6.00 
S—CHRISTMAS FERN— 
Polystichum acrosticoides, 12—30 in. 1.00 8.00 
SB—CINNAMON FERN— 
Osmundo cinnamomea, 2—4 ft.80 6.00 
S—CLINTONS WOOD FERN—Moist Locations 
Dryopteris Clintoniana, 1—2 ft. *.80 6.00 
SB—CRESTED WOOD FERN— 
Dryopteris cristata, 10—15 in. 1.00 8.00 
RO—HAYSCENTED FERN—Foundation 
Dennestedtia punctiloba, 12—18 in. 1.00 8.00 
RO—INTERRUPTED FERN—Foundation 
Osmundo Claytoniana, 2—4 ft. 1.00 8.00 
RS—LADY FERN—Foundation 
Athyrium felix faemina, 1—3 ft.80 6.00 
RS—LEATHERY WOOD FERN—Foundation 
Dryopteris marginale, 12—30 in. 1.00 8.00 
B—MARSH FERN— 
Dryopteris thelepteris, 6—12 in.80 6.00 
RS—OSTRICH FERN—Foundation 
Pteris nodulosa, 2—4 ft.80 6.00 
RO—POLYPODIUM COMMON— 
Polypodium vulgare, 4—6 in.80 6.00 
SB—ROYAL FERN— 
Osmundo regalis, 2—3 ft. 1.20 10.00 
RB—SENSITIVE FERN—Foundation 
Onoclea sensibilis, 6—18 in.80 6.00 
B—TOOTHED WOOD FERN— 
Dryopteris spinulosa, 1—3 ft. 1.00 8.00 
SRB—WINGED WOOD FERN— 
Dryopteris hexagonoptera, 2—4 in.80 6.00 
GROUP 2 
10 Each 
RS—BRITTLE BLADDER FERN— 
Cystopteris bulbifera, 4—6 in.$ 2.00 $ .25 
RS—MAIDENHAIR SPLEENWORT— 
Asplenium tricoinanus, 2—6 in. 2.50 .30 
RO—WALKING LEAF FERN 
Camptosoris rhizophyllus, 2—3 in. 2.00 .25 
R—RUSTY WOODSIA—• 
Woodsia ilvensis, 2—5 in. 2.50 .30 
RO—COMMON WOODSIA— 
Woodsia obtusa, 2—8 in. 2.00 .25 
R—EBONY SPLEENWORT— 
Asplenium platyneuron, 2—G in. 2.00 .25 
jR —grape fern— 
Botrychum obliqum . 2.00 .25 
RS—BEECH FERN— 
Phegopteris hexagonopteris, 8—12 in. 2.00 .25 
RS—SILVERY SPLEEN WORT— 
. 1.50 .20 
Numerals following botanical name indicate height which 
plant may be expected to attain, depending on soil and 
culture. 
Introductory Assortment 
To introduce our Ferns we offer, 20 Ostrich, 20 Lady, 10 
Osmundas, 10 Evergreen, 10 Maidenhair, and 10 Sensitive, 
or any combination of 80 Ferns in six varieties, except 
Royal, selected from group 1 for $5.00 cash, packing free. 
These are all standard varieties that will give universal 
satisfaction under ordinary conditions. The assortment 
packed for shipment will average 80 lbs. and can be safely 
shipped by freight up to April 1st. 
