Hardy Herbaceous Plants 
Bobbink $ Jtkins 
Platycodon grandiflorum album. White form of 
Grandiflorum. 
P. grandiflorum Mariesi. Deep blue flowers on 
© erect stems. An excellent plant for the border or 
rockery. 1 ft. June, July. 
P. grandiflorum Mariesi album. A white form of 
©the above. 
PLUMBAGO Larpentae. Blue Leadwort. One of 
© the finest dwarf, spreading plants for the rockery 
and for the border. Deep blue flowers. Very 
attractive in the fall because of the reddish brown 
leaves. 6 to 12 in. Aug., Sept. 
© POTENTILLA alpestris. Yellow. May. Dwarf. 
P. nepalensis Willmottiae. Rose-pink. 10 to 12 in. 
©July, Aug., and later. $1 for 3, $2.50 for 10, 
$22 per 100. 
© P. tridentata. White. 1 ft. July, Aug. 
P. verna nana. Very fine rock-plant. Compact, 
© low-growing, forming a dense mass covered with 
large yellow flowers. Very early. 4 to 6 in. April, 
May. $1.20 for 3, $3.50 for 10, $30 per 100. 
POTERIUM obtusum. Japanese Burnet. Crimson 
flowers in spikes 3 inches long, nodding at tips. 
3 ft. $1 for 3, $2.50 for 10, $22 per 100. 
PRIMULA auricula. Primrose. A well-known and 
© loved garden plant with fragrant flowers in various 
colors. 4 to 5 in. Early April and May. $1.20 
for 3, $3.50 for 10, $30 per 100. 
P. acaulis (vulgaris). Yellow. 6 to 9 in. April, May. 
© $1 for 3, $2.50 for 10, $22 per 100. 
P., Barr’s Yellow. $1 for 3, $2.50 for 10, $22 per 100. 
P. Bulleyana. Whorls of deep yellow flowers. 2J^ ft. 
©June. $1 for 3, $2.50 for 10, $22 per 100. 
P. denticulata cachemiriana. Clusters of purple 
© flowers. $1 for 3, $2.50 for 10, $22 per 100. 
P. hybrida, Red Hugh. A striking red variety with 
© stems 2 feet high. 
$1.50 for 3, $4 for 
10, $35 per 100. 
POLEMONIUM humile (Richardsoni). Jacob’s 
Ladder. Finely cut, deep green foliage and sky- 
blue flowers. 1 to 13^ ft. June, July. $1 for 3, 
$2.50 for 10, $22 per 100. 
P. reptans. Greek Valerian. Dwarf, compact 
© perennial with interesting leaves and loose clusters 
of light blue flowers. 8 to 12 in. April, May. 
$1 for 3, $2.50 for 10, $22 per 100. 
POLYGONATUM multiflorum. Solomon’s Seal. 
Arching sprays of greenish white flowers that are 
useful for cutting. 2 ft. May, June. $1 for 3, 
$2.50 for 10, $22 per 100. 
POTENTILLA Hybrids. Cinquefoil. Interesting 
plant for borders. If once planted, they multiply 
continuously and need no care. They thrive in 
almost any kind of soil and have a variety of 
color, from yellow to red, orange, or rose, in single 
and double flowers, from June to September. 
1 to 2 ft. 
Emile. Light yellow flowers. 10 to 12 in. $1.50 
for 3, $4 for 10. 
Fairy Queen. Double; clear yellow. $1.50 
© for 3, $4 for 10, $35 per 100. 
Hardy Primroses 
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