make very good pies, but arc particularly delicious in jam. 
May be used also as the base of an excellent chili sauce. 
Pkt. 15c. 
PHYSOCARPUS OPULIFOLIUS—qh 10 ft. Nine-bark. 
Ornamental shrubs, hardiness iron-clad, with pretty white 
blossom clusters in June. Pkt. 10c. 
PHYSOSTEGIA FORMOSIUS—ccbx(3)50. Close spikes 
of inflated rosy-lilac blossoms. Rare. Pkt. 20c. 
PHYTEUMA CARESTIAE—erx(2)4. Flower clusters that 
are informal balls of blueness. Rare. Pkt. 20c. 
PHYTOLACCA DECANDRA—ebtdnh(2) 120. Poke-berry. 
Tall hardy native for backgrounds or naturalizing. Par¬ 
ticularly showy when long-loaded with purple berries. Some¬ 
times cultivated for the young shoots, which are served like 
asparagus, or with vinegar. Please note, though, that 
neither roots nor berries are to be ea»ten, these portions of 
the plant being harmful. Pkt. 10c; 54 oz. 20c. 
PHYTOLACCA ESCULENTA—edstk(3-6) 100. Himalayan 
species, valued for late decorative fruits. Pkt. 15c. 
PICEA GLAUCA—jk 70 ft. Canada Spruce. Dense, dec¬ 
orative pyramids. Hardy. Endures drought. Long-lived. 
Good windbreak or hedge. Silvery overcast to foliage. 
Pkt. 10c; 54 oz. 20c; 1 oz. 60c. 
PINUS KORAIENSIS—jk 80 ft. Handsome and hardy 
long-needle Pine. Seeds saved in north Manchuria. Pkt. 15c. 
PITTOSPORUM NIGRESCENS — qy 6 ft. Handsome 
New Zealand shrub with variegated leaves. Pkt. 15c. 
PITTOSPORUM RALPHI—qy 10 ft. Recommended New 
Zealand shrub with purple flowers; downy silver foliage. 
Pkt. 15c. 
PLATANUS OCCIDENTAL IS—jh 150 ft. Buttonwood. 
Most massive of American hardy trees. Silvery bark. Pkt. 
10c; 54 oz. 20c; oz. 60c. 
PLATANUS ORIENTALIS—jh 80 ft. Oriental Plane. A 
noble hardy tree. Excellent for street or shade. Disease 
resistant. Pkt. 10c; 54 oz. 20c; oz. 60c. 
*PLATYSTEMON CALIFORNICUM—-eok(2) 12. Cream- 
cups. Pretty little cream-colored “poppy” blossoms. Many 
stems Pkt 15c 
PLUCHEA CAMPHORATA — nmh(5)20. Flower-heads 
like clusters of soft, dense tassels. Delicate pink-lavender. 
Pretty in mass. Aromatic. Damp seaside naturalizing. Pkt. 5c. 
PODOPHYLLUM PELTATUM—rnsty(1)20. May Apple. 
Large and lovely flowers of soft ivory, orange-blossom 
scent, sway below great leaf umbrellas. Then lemon-like 
edible fruits. For rich open woods. Pkt. 10c; 54 oz 25c; 
54 oz. 45c. 
*PQLANISIA TRACHYSPERMA — eodk(3-4)36. Spider 
Flower. Great heads of airy, spidery blossoms, white with 
faintest lilac suffusion. Pkt. 10c. 
POLEMONIUM AMOENUM—erbcsth(2-3) 15. A delight¬ 
ful species, with blossoms of softest, most delicate pink, 
in graceful sorays. Pkt. 15c; 54 oz. 50c. 
POLEMONIUM BOREALE—rsth(2) 10. Pretty little spe¬ 
cies, with fragrant blue flowers. Pkt. 20c. 
POLEMONIUM FORESTI—No data. Pkt. 20c. 
POLYANTHUS GIANT YELLOW — Splendid hardy 
Primrose. Pkt. 15c. 
*POLY GALA CRUCIATA — ornmy (2-3) 10. Clover-like 
heads of rosy purple. Pretty in the damp rockery. Pkt. 20c. 
POLYGONATUM MIXED—bnsty(l)50. Solomon’s Seal. 
Arching wands, hung with creamy bells; later dangling pur¬ 
ple berries. Plant with ferns. Pkt- 10c. 
*POLYGONELLA ARTICULATA—eocndk(4)24. Myriads 
of tiny white blossoms, that age to rose, are carried airily 
on leafless stems. For mixing with cut flowers, or as an 
everlasting. Pkt. 10c. 
PONTEDARIA CORDATA—cnmh(3-4)50. Showy hardy 
aquatic, with tall spikes of beautiful blue blossoms, long- 
lasting when cut. It must root in mud, with water above. 
Pkt. 15c; 54 oz. 30c. 
-POPPY SHIRLEY APRICOT—Silken blossoms of that 
lovely coloring that lies between pink and buff. No prettier 
annual Poppy than this. Pkt. 10c. 
POPPY—See also Papaver. 
POTATO—See Solanum tuberosum. 
The wealth of plant material that may become avail¬ 
able has scarce as yet been touched. There are 
likely a thousand species worthy of cultivation, for 
every one that is already in garden use. Smug com¬ 
placency sets ill on any of us, when we consider how 
little we really know about the materials of garden¬ 
ing, and how much there is to know. 
POTENTILLA MONTENEGRINA—ebnh(2)20. Showers 
of gold when the petals fall, from diffusely, profusely, branch¬ 
ing sprays. Free-blooming. Pkt. 10c. 
POTENTILLA NORVEGICA—nh(2) 18. Clustered yellow 
flowers. Suggested for rough naturalizing. Pkt. 10c. 
POTENTILLA RECTA—ebndh(3)24. Clustered flowers of 
shining yellow. Good in hot, dry places. Pkt. 10c. 
POTENTILLA SPLENDENS—rh(1) 5. Cream. Pkt. 15c. 
POTENTILLA TONGUEI—ergh(9)5. Wide-straying mats, 
set with apricot blossoms that show ruddy suffusions. 
Pkt. 25c. 
POTENTILLA TORMENTILLA—Yellow. Pkt. 15c. 
PRIMULA VISCOSA—rath(2)8. Many-flowered umbels, 
blue to rich violet. A lime-hater. Pkt. 15c. 
PRO IEA GRANDICEPS — htw. Showy ever-blooming 
plant with great coral-rose cup-shaped flower heads, lined 
with silky down. Pkt. 15c. 
PRUNELLA GRANDIFLORA ROSEA—erx(2-4)8. Rose- 
colored flowers in short, thick spikes, over spreading mats. 
A very good thing, and easy. Full sun. Pkt. 15c. 
PRUNELLA VULGARIS — erbnh(8)25. Flowers of 
amethystine purple carried like jewels on cushion heads of 
flaky green. Attractive wildling. Pkt. 10c. 
PSEUDOLARIX AMABILIS—jk 130 ft. Golden Larch. 
Feathery-foliaged branches with pendulous tips. Rich yel¬ 
low in autumn. Deciduous. Hardy. Pkt. 15c. 
PSEUD OP AN AX CRASSIFOLIUM—jfy 20 ft. Pkt. 15c. 
PSOROLEA ESCULENTA—h(9)15. Indian Bread-root. 
Valued by the Indians for the starchy tubers, which they 
sliced and dried in the sun. The dried slices were powdered 
between stories, and the “flour” was added to stews, or 
made into a bread-cake. This plant may be worthy of 
selective improvement. The fresh tubers are said to be 
good with a salad dressing. Unshowy hardy perennial. 
Pkt. 15c. 
PSOROLEA ONOBRYCHIS—bh(2)40. Short spikes of 
attractive pea-like purple flowers. Pkt. 15c. 
PTELEA TRIFOLIATA—jk 25 ft. Hop Tree. White 
flov/ers and ornamental foliage of glossy green. Pkt. 10c. 
PYRACANTHA COCCINEA LALANDI—qjy 15 ft. Fire 
Thorn. Corymbs of pretty v/hite flowers, with all-winter 
fruits of most intense orange-scarlet. Pkt. 10c. 
PYRUS SIEBOLDI—qy 10 ft. Ornamental hardy shrub, 
with blossoms of blush pink in spring. Red or yellow 
fruits, not much larger than a pea; in Japan made into 
preserves after frost. Pkt. 10c. 
QUINOA—Ancient Indian grain crop in the higher altitudes 
of what is now Peru and Bolivia. Botanically it is Cheno- 
podium Quinoa. Allied to our common Pigweed or Lamb’s 
Quarter. Boiled seeds claimed to make a good breakfast 
porridge. Pkt. 15c. 
RANUNCULUS ASIATICUS—Seeds gathered from wild 
plants in Palestine. Pkt. 15c. 
RANUNCULUS LYALLI — rcmh(2)20. Mountain Lily. 
Big white flower cups, centered with golden anther-tassels, 
carried well above the glossy leaves. New Zealand. 
Pkt. 20c. 
RASPBERRY—Fine mixture of edible-fruited sorts, black, 
red and yellow. Watch for interesting variants. Pkt. 10c. 
RHAMNUS CATHARTICA—qy 12 ft. Rather handsome 
hardy plants for strong hedges. Black fruits. Pkt. 10c; 
54 oz. 25c; oz. 75c. 
RHEUM AUSTRALE—ebh(3) 10 ft. Small-leafed species 
from Nepal, with dense towers of purple bloom. Pkt. 15c. 
RHEUM RIBES—ebh(2)60. Foot-wide crisped leaves. 
Drooping green flowers, then panicles of winged seeds, 
blood-red and showy. Persia. Pkt. 15c. 
RHEUM UNDULATUM—ebh(2)60. Panicles of creamy 
flowers, above enormous undulate leaves. Pkt. 15c 
RHEXIA NASHI — rbnmh(3)12. Summer blossoms of 
vivid purple over shaggy foliage. Pkt. 20c. 
RHUS OVATA—qh 10 ft. A showy Sumach. Pkt. 20c. 
RIBES PUMILUM AUREUM—qsy(l)36. Desirable low 
shrub for shade. Showy scarlet berries. Decorative foliage 
of soft yellow-green. Pkt. 20c. „ 
ROCK SPRAY—qh 10 ft. Holodiscus discolor, bwaymg 
branches that carry drooping panicles of ivory-tinted fra¬ 
grant laciness. Pkt. 15c. 
RODGERSIA PODOPHYLLA — bmh(3)50. Immense 
bronzed, burnished leaves, with fluffy plumes of cream- 
colored bloom. Wonderful pool-side plant. Pkt. 15c. 
*ROEMERIA VIOLACEA—Purple poppies. Pkt. 15c. 
ing, and how much there is to know. 
POTENTILLA ARGUTA—rbndh(3)20. Cream. Pkt. 15c. 
POTENTILLA CHRYSANTHA—bh(3)25. Large blossoms 
of shining golden yellow. Pkt. 15c. 
ROSA DAVURICA—Cinnamon-scented single flowers in 
attractive shades of red. Pkt. 10c. . 
ROSA GALLICA—Flowers usually pink or red, and single, 
but it is a highly variable species, and other colors often 
appear, together with double-flowering forms. A parent cf 
the Hybrid Perpetuals. Pkt. 20c. 
POTENTILLA DELPHINENSIS—bh(3) 18. Good yellow- 
flowered species from Swiss mountains. Pkt. 15c. 
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