PLANTS FOR ROCK GARDENS 



147 



Herbaceous Perennials 



Wooly Yarrow, Achillea tomentosa. 



Bird's Eye, Adonis amurensis. 



Ox Eye, Adonis vernalis. 



Bugle (Geneva), Ajuga genevensis. 



Bugle, Ajuga reptans 



Golden Tuft, Alyssum saxatile. 



Androsace, Androsace sarmentosa Chumbyi. 



Alpine Columbines, Aquilegia alpina. 



Dwarf Columbine, Aquilegia fiabellata nana. 



Rock Cress, Arabis alpina. 



Sandwort, Arenaria balearica. 



Sandwort, Arenaria montana. 



Thrift, Armeria maritima. 



Arnebia, Arnebia echioides. 



Sweet Woodruff, Asperula odorata. 



Alpine Aster, Aster alpina. 



Alpine Aster, Aster ptarmicoides. 



Alpine Aster, Aster subcaeruleus. 



False Wall Cress, Aubrietia deltoidea. 



False Wall Cress, Calamintha alpina. 



Calystegia, Calystegia pubescens, fl. p!. 



Harebell, Campanula carpatica. 



Blue Bell, Campanula rotundifolia. 



Snow-in-Summer, Cerastium tomentosum. 



Arctic Daisy, Chrysanthemum arcticum. 



Lily of the Valley, Convallaria majalis. 



Crosswirt, Crucianella stylosa. 



Chinese Larkspur, Delphinium chinense. 



Maiden Pink, Dianthus deltoides. 



Shooting Star, Dodecatheon Media. 



Whitlow Grass, Draba fladnizensis. 



Dragon's Head, Dracocephalum grandiflorum. 



Trailing Arbutus, Epigsea repens. 



Epimedium, Epimedium alpina. 



Epimedium, Epimedium diphyllum roseum. 



Epimedium, Epimedium macranthum vio- 

 laceum. 



Erigeron, Erigeron glabellus. 



Bottle Gentian, Gentiana Andrewsii. 



Globe Daisy, Globularia trichosantha. 



Baby's Breath, Gysophylla cerastioides. 



Baby's Breath, Gypsophylla repens. 



Rock Rose, Helianthemum vulgare and vari- 

 eties. 



Christmas Rose, Helleborus niger. 



Liver Leaf, Hepatica triloba. 



Alum Root, Heuchera brizoides. 



Coral Bells, Heuchera sanguinea. 



Hutchinsia, Hutchinsia alpina. 



Gold Flower, Hypericum Moserianum. 



Candytuft, Iberis gibraltica. 



Candytuft, Iberis sempervirens. 



Crested Iris, Iris cristata. 



Dwarf Iris, Iris pumila and varieties. 



Spotted Nettle, Lamium maculatum. 



Linum, Linum perenne. 



Linum, Linum perenne album. 



Ragged Robin, Lychnis Flos-cuculi. 



Haage's Lychnis 



German Catchfly, Lychnis Viscaria splendens. 



Moneywirt, Lysimachia nummularia. 



Forget-me-not, Myosotis alpestris. 



Ground Ivy, Nepeta Glechoma. 



Ground Ivy, Nepeta Mussinii. 



White Cup, Nierembergia rivularis. 



Dwarf Evening Primrose, CEnotheramissouri- 



ensis. 

 Cactus (Prickly Pear), Opuntia arenaria. 

 Cactus (Prickly Pear), Opuntia Camanchica. 

 Cactus (Prickly Pear), Opuntia Rafinesquii. 

 Cactus (Prickly Pear), Opuntia polyantha. 

 Iceland Poppy, Papaver nudicaule. 

 Creeping Phlox, Phlox amoena. 

 Canadian Phlox, Phlox divaricata. 

 Perry's Phlox, Phlox divaricata Laphami. 

 Perry's Phlox, Phlox ovata. 

 Moss Pink, Phlox subulata. 

 Moss Pink, Phlox stolonifera. 

 Polemonium, Polemonium reptans. 

 Leadwort, Plumbago Larpentae. 

 Flowering Moss, Pyxidanthera barbulata. 

 Cowslip, Primula veris. 

 Selfheal, Prunella grandiflora. 

 Lungwort, Pulmonaria angustifolia azurea. 

 Bethlehem Sage, Pulmonaria saccharata. 

 Buttercup, Ranuculus bulbosus, fl. pi. 

 Creeping Buttercup, Ranunculus repens. 

 Rhexia, Rhexia virginica. 

 Bloodroot, Sanguinaria canadensis. 

 Rock Soapwort, Saponaria ocymoides. 

 Saxifrage, Saxifraga pedmontana. 

 Saxifrage, Saxifraga umbrosa. 

 Scutellaria, Scutellaria baicalensis ccelestina. 

 Stonecrop (yellow), Sedum acre. 

 Stonecrop (white), Sedum album. 

 Stonecrop (white), Sedum Middendorfianum. 

 Stonecrop, (white), Sedum pulchellum. 

 Stonecrop (white), Sedum sexangulare. 

 Stonecrop (white), Sedum Sieboldii. 

 Stonecrop (white), Sedum stoloniferum. 

 House Leek, Sempervivum. 

 Shortia, Shortia galacifolia. 

 Woundwort, Stachy's grandiflora. 

 American Germanda, Teucrium canadensis. 

 Dwarf Meadow Rue, Thalictrum minus. 

 Thyme, Thmus citriodorus. 

 Mountain Thyme, Thymus sepyllum. 

 Wooly-leaved Thyme, Thymus lanuginosus. 

 Tunica, Tunica saxifraga. 

 Speedwell, Veronica AUionii. 

 Speedwell, Veronica gentianoides. 

 Speedwell, Veronica repens. 

 Speedwell, Veronica spicata erica. 

 Speedwell, Veronica Teucrium rupestris. 

 Horned Violet, Viola cornuta. 

 Bird-foot Violet, Viola pedatum. 

 Common Yellow Violet, Viola pubescens. 

 Lychnis Haageana. 



Annuals 

 While it is possible to secure a good succession of bloom from early Spring 

 till late Autumn with herbaceous perennials, it is to annuals we look for a 

 profusion of flowers in Midsummer. The ease with which annuals can be 

 grown, as well as their beauty and thankfulness, has made them almost indis- 

 pensable in garden making. Many perennials, after flowering, leave a practi- 

 cally bare spot in the border, which can be conveniently filled in with annuals 

 so that the border is full of color throughout the season. When convenient, 



