68 
WILL’S PIONEER SEEDHOUSE, GREENHOUSE AND NURSERY 
PENTSTEMON GRANIHFI.ORA .This is one of the very showiest of our native 
flowers with its large bell-shaped blue or lavender flowers hanging from a 
long spike. Very hardy, stands dry weather and sandy soil well. Blooms in 
early July and attains a height of 15 to 20 inches. 
ICELAND POPPY. Mixed colors, orange, yellow and white. Height about a 
foot. A bright green tuft of foliage with the handsome cup shaped flower 
borne on a tall stem. Blooms over a long period. 
PLATYCODON or CHINESE BELL FLOWERS. We have a stock of both the 
deep blue and the white sort. With its balloon-like buds and large, hand¬ 
some bell-like flowers this is a most satisfactory hardy flower. Blooms in 
early July. Height 20 to 30 inches. 
POTENTILLA FRUTICOSA. A shrubby perennial, hardy, drouth resistant, 
distinctive with its bright green foliage and many bright yellow blooms re¬ 
sembling strawberry blossoms. Valuable as a low shrub in foundation plant¬ 
ings. Postpaid, each, 30c; doz., §3.00. 
RIBBON GRASS, Phalaris. This handsome ornamental grass is useful in a 
dozen places around the garden. With its stripes of light green and white and 
its bushy habit of growth it is valuable in clumps and beds with many other 
plants. Height, 15 to 25 inches. Good root. Each, 15c; doz., §1.50. 
SIBERIAN SWEET PEA. This is a perennial pea of a, carmine color brought 
to America by Professor N. E. Hansen. Hardy and beautiful. Vines get 
to be 18 to 24 inches long. 
SIBERIAN LAVATERA. This is a tall, very 
hardy type from Prof. N. E. Hansen. Grows 
from 3 to 4 feet high and in midsummer and 
later is covered with large pink mallow like flowers. 
SEDITM. We can furnish both the Stolonifera with pink flowers and Kamtschaticum with yellow 
flowers. Inis is a beautiful ground cover and rock garden plant. Exceedingly hardy and drouth 
resistant. Low growing and spreading, it has been used to advantage as a grave cover under 
c t> rr 0 , an ^ J 138 £' ven excellent satisfaction. Suitable also for rocky slopes and terraces. 
Bi liiMWO KT (virginiana) . An old favorite and a hardy native as well. Grasslike foliage bearing 
inches 6rS idl ' se ° rl ^ iant ^ lue lowers which appear about July first. Height about 12 to .15 
MAXIMILIAN’S SUNFLOWER, Heliantlius. Large single flowers, borne profusely, rich-golden 
yellow, center reddish brown. Dark green drooping foliage. Blooms August and September. 
5. to 7 feet. 
SWEET WILLIAM. Another old favorite, belonging to the pink family. Colors mostly red and 
white. Blooms in July, 18 to 24 inches high. 
TANSY Plover Head. An old perennial, 2 to 3 feet high and with a fernlike foliage and clusters 
of yellow bloom. Also valued for its medicinal uses. 
BLUE VIOLET. For early Spring the native violets are unsurpassed in beauty. The blue will 
stand either shade or sun and is very greatly enlarged by cultivation. Blooms in late May and 
early June. 
WHITE VIOLET. The native woods violet, especially suited to shady or partly shaded locations 
and of great beauty. 
CRIMSON YARROW. This is the dark red form of the common white yarrow or millefoil. Height 
18 in. Blooms from July to fall. 
NATIVE HELIOTROPE. This is a N. D. Species, very hardy, flowers white, foliage fuzzy. Not 
so beautiful, but has the distinctive heliotrope fragrance to a very high degree. 
Pentstemon Grandiflora. 
NATIVE NORTH DAKOTA CACTI 
Platycodon. OPUNTIA or PRICKLY PEAR. This is the flat stemmed, branched cactus 
covered with spines and bearing many gorgeous yellow flowers, varying 
considerably in shading during the month of July. Price, postpaid, 
each, 35c; doz., §3.50. 
MAMMILLARIA VIVIPARA—The Prairie Rose Cactus. This is the little pin cushion cactus with the 
rose colored flowers. Does well either indoors or out. Price, postpaid, each, 35c. 
MAMMILLARIA MISSOURIENSIS. This resembles the vivipara except that the flowers are a pale 
yellow in coior. Not plentiful in our locality but found in large numbers further south. Price, each, 
postpaid, 35c. 
YUCCA or SPANISH BAYONET, Yucca Glauoa. Native on dry clay buttes and in the dries't possible 
locations. Very ornamental in its ordinary condition, and unusually beautiful when it blooms in 
July with its long spike of greenish white bells. Height 12 to 24 inches. 
NATIVE GREAT PLAINS ROCK GARDEN PLANTS 
DAKOTA ASTER, Blue. This is the normal blue form, and the shade of blue is an unus'ually beauti¬ 
ful one. 
DAKOTA ASTER, Pink. This is the finest of the prairie asters and we are happy to be able to offer 
it in pink as well as blue this year. Our foreman, Mr. S'chubert, discovered, a single pink plant 
several years ago from which our present supply has been propa¬ 
gated. Flowers large with yellow centers, blooms very late 
dwarf in habit. 18 to 24 inches high. 
Blaziug Star. 
Dakota Aster. 
RED MALLOW. A native rock garden plant sometimes called wild geranium. Flowers 
appear in June and July and make the low growing plant a mass of scarlet. Plant in 
light and not too moist soil. 
GUTIERREZIA. Another extra hardy fall blooming native with bright green foliage and 
covered with bright yellow flowers in August. About 1 foot high and makes a perfect 
dome on the ground. 
PRAIRIE CLOVER (Petalosteimim). This is a handsome purple native, the numerous 
heads coming into blossom in August. Very attractive to bees and butterflies. Height 
12 to 20 inches, varying with the quality of the soil. 
LIATRIS or BLAZING STAR. Very hardy and drouth resistant, especially suited to sandy 
soil. Deep purple flowers on wandlike stems in July and August. 10 to 20 inches. 
GUMBO LILY, Cow Boy Lily (White Evening Primrose). This denizen of our Bad Lands 
and buttes is one of the most beautiful of our native flowers as well as one of the 
hardiest. It is very low growing and under good conditions is covered with white blos¬ 
soms the size of a large single rose most of the summer. As the flower ages the blos¬ 
soms take on a pink color. 
BLUE PERENNIAL FLAX. Has a handsome blue flower and thickens up into heavy clumps which become a mass of blue. 
Flowers in early July and throughout the summer. Height from 18 to 24 inches. 
WHITE GARLAND ASTER. This is the small, late blooming white aster of our dry prairies. 
PRAIRIE CONE FLOWER. This is the hardy and handsome daisy-like yellow flowered plant with the tall cone in the center. 
It conies into bloom in middle July. We are offering mixed plants of red and yellow. 
MISSOURI EVENING PRIMROSE. This is a native of the plains region south of here. It is low growing like the gumbo lily 
with a tremendous blossom, some 3 inches across, of a bright yellow color. Blooms for a long time and is very striking. 
PRICKLY POPPY. A hardy native of the Great Plains of outstanding beauty. A true poppy, bearing large white flowers 
3 inches across with yellow centers. Foliage silvery. Bushy and 18 in. to 2 ft. high. Flowers numerous and very graceful. 
PRAIRIE PHLOX. (Woodsii). This little, fragrant, early blooming white phlox is a prominent feature of the early spring 
prairies. It grows close to the ground and is an ideal rock garden plant. 
PENTSTEMON ANGUSTIFOLIA. This is a smaller and earlier blooming member of the family. The flowers are close set 
on a spike some 12 to 18 inches tall and are of a purplish blue color. 
One of Each of the Above Fourteen Rock Garden Plants for $1.25, Postpaid. 
