Penstemon Rupicola (R)—Dwarf native evergreen with 
greyish foliage and bright red flowers on 3 to 4 in. 
stems. Good for dry rocky places.....35 
Penstemon Shell Pink—Not quite so high as Coral Gem.35 
Penstemon Shirley Giant or Sensation—Very handsome 
foxglove-like flowers, a most excellent subject for the per¬ 
ennial border, bloom all Summer until frost. Comes in 
shades of rose, cream flushed pink, crimson and purple. 
Each ............. .25 
Phlox Adsurgens (R)—Creeping evergreen with pink flow¬ 
ers. June-July .............35 
Phlox Divaricata Canadensis (R)—Heads of lovely frag¬ 
rant lavender flowers on 12-in. stems. May-July..25 
Phlox Divaricata Laphami (R)—Longer flowering and 
stronger growing than the preceding with purplish blue 
f 10"W"ors ........................................................................... ■ 10 
Phlox Subulata (The Creeping Phlox)—No alpine garden 
can afford to be without this lovely plant with its mounds 
and sheets of solid color. Here are the four best ones: 
P. S. Blue Hills. ^ 
P. S. Brilliant (Atropurpurea)—New deep wine red nov¬ 
elty, exceptionally fine. 2 S' 
P. S. The Sprite—Pink with carmine eye. 2 i 
P. S. Vivid—A bright fiery salmon-pink, very compact. * 
Phyteuma Hemisphaericum (R)—Lovely rock species. Deep 
violet in round heads.....«... .25 
Phyteuma Scheuchzeri (R)—Dense heads of blue flowers. 
8 ins...-.-.-.25 
Platyccdon Mariesii (Balloon Flower)—A beautiful dwarf 
with broad thick foliage and fleshy-looking bells in vary¬ 
ing shades of blue or white. 15 ins...35 
Plumbago Larpentae (R)—A most desirable evergreen bor¬ 
der or rock plant. Of dwarf spreading habit with deep 
blue flowers during summer and fall. 6 to 8 in... .35 
Potentilla Nitida (R)—Silvery foliage and large pink flow¬ 
ers. Full sun and poor soil...50 
Potentilla Tonguei—Strawberry-like leaves. Creeper. Apri¬ 
cot yellow flowers. July until frost. 3 ins. ..35 
Potentilla Tridentata (R)—Shiny green leaves, paler be¬ 
neath with sprays of delicate white flowers on long stems. 
Creeper. 6 ins.......35 
Saponaria Ocymoides Splendens (R)—Mounds of lovely 
little pink blossoms. No rock garden is perfect without 
it. Also splendid to plant in wall with Aubrieta. 6 in. 
May-June —...25 
Sagina Subulata (Arenaria caespitosa) (R)—Fine tuft-like 
foliage studded with minute white flowers during Sum¬ 
mer. Valuable for walks ......25 
Saxifragas (R)—This is a very interesting and decorative 
family of alpines that should certainly be included in all rock 
garden work. They make lovely colonies of dwarf compact 
rosettes, fill pockets and nooks and are handsome at all times 
of the year. 
S. Aizoon Balcana (R)—Small incurved gray-green rosettes, 
edges silver encrusted. White flowers on 8-in. stems.35 
S. Andrewsii (R)—Dark green rosettes of narrow saw¬ 
toothed leaves. White flowers. 8 in..... .25 
S. Cotyledon Pyramidalis (R)—Handsome large and showy 
rosettes of gray-green leaves, beautifully edged with sil¬ 
ver. 2-ft. sprays of white......50 
Plants suitable for the rockery are marked with an (R). 
