. Dreer's garden book / Henry A. Nursery Catalogue. i HARDY PERENNIAL PIANTS/ 153 Valeriana—Valerian Coccinea. Showy heads of reddish flowers; June to October; 2 feet. — alba. A white-flowered form. Officinalis (Hardy Garden Heliotrope). Produces showy heads of rose-tinted white flowers, with delicious, strong heliotrope odor. Blooms during June and July; 3 to 4 feet. Any of the above: 25c each; $ per doz.; $ per Veronica—Speedwell Amethystina Royal Blue. Gentian blue; June and July; 2 feet. — True Blue. A splendid rich dark blue; June and July; 2 feet. Filiformis. Prost
. Dreer's garden book / Henry A. Nursery Catalogue. i HARDY PERENNIAL PIANTS/ 153 Valeriana—Valerian Coccinea. Showy heads of reddish flowers; June to October; 2 feet. — alba. A white-flowered form. Officinalis (Hardy Garden Heliotrope). Produces showy heads of rose-tinted white flowers, with delicious, strong heliotrope odor. Blooms during June and July; 3 to 4 feet. Any of the above: 25c each; $ per doz.; $ per Veronica—Speedwell Amethystina Royal Blue. Gentian blue; June and July; 2 feet. — True Blue. A splendid rich dark blue; June and July; 2 feet. Filiformis. Prostrate rock plant with blue flowers in May. Incana. Silvery foliage, blue flowers; July and August; 1 foot. Longif olia subsessilis (.Japanese Speedwell). The showiest and best. Bushy plants 2 to 3 feet high. Long dense spikes of blue flowers from mid-July to early September. Pectinata. A lovely prostrate rock plant with long, many flowered, deep blue racemes during May and June. Repens. A lovely rock garden variety also fine for carpeting. Showy light blue flowers in May. Rupestris. Fine rock plant growing 3 to 4 inches high. Thickly matted, deep green foliage hidden under a cloud of bright blue flowers during May. — nana. Grows 1 inch high, forming a dense carpet of dark green foliage. Deep gentian-blue flowers from late April to early June. Saxatilis. A rockery plant about 6 inches high with many beautiful bright blue flowers from July to September. Spicata. Long, broad, blue flower spikes in June and July. 1J feet. — alba. A white-flowered form of the above. — rosea. Lovely spikes of delicate pink flowers. Trehani. A pretty rock plant forming a golden carpet covered with deep gentian-blue flowers in early May. Any of the above: 25c each; $ per doz.; $ per 100. Set of 14 sorts, one each. $ Vinca—Periwinkle or Trailing Myrtle Minor. An excellent dwarf evergreen trailing plant that is used extensively for carpeting the ground under shrubs and trees,
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