Clematis, Jackman’s, C. Jackmanni, 
131, 185, 217, 218, 254, 279; erect, 
C. recta, 178; Japanese, C. panicu- 
lata, 67, 197; heavy-scented, C. 
orientalis, C. gravolens, 238; red, 
or Leather Flower, C. Viorna, var. 
coccinea, 279; wild, or Traveler’s 
Joy, C. Virginiana, 190 
Clematis coccinea, Jackman’s Red 
Clematis, 254; C. recta, Erect 
Clematis, 178; C. Jackmanni, 
Jackman’s Clematis, 131, 185, 
217, 218, 254, 279; C. gravolens, 
Heavy-scented Clematis, 238; C. 
Heraclefolia, var. Davidiana, 218; 
C. integrifolia, 218; C. orientalis, 
see C. gravolens; C. paniculata, 
Japanese Clematis, 67, 197; C. 
Virginiana, Wild Clematis or 
Traveler’s Joy, 190; C. viorna, 
var. coccinea, Red Clematis or 
Leather Flower, 279 
Cleome pungens, Spider Plant, 201 
Clethra alnifolia, Sweet Pepper 
Bush, 184 
Close planting, 102, 103 
Cockscomb, Celosia cristata, 244; 
C. plumosa, 244, 283; C. spicata, 
267 
Cold frame, 56 
Collinsia, C. bicolor, 226 
Color code for marking seeds, 63 
Color effects, arranging for, 37; in 
shrubs, 80, 81; plants for general, 
37; schemes, arranging, 74; sepa- 
rating, 74 
Color, pure, 34; wave of, 36, 61, 62; 
of stems, 62; autumn, in peren- 
nials, g9; autumn color in shrubs, 
79, 80; sheets of, 145; keynote of, 
in a garden, 146; my love of, 154; 
classification by, 163 
Columbine, California, Aquilegia 
Californica, 231; common, A. 
vulgaris, 212, 249, 273; rock or 
wild, A. Canadensis, 273; Mexi- 
can, A. Skinneri, 273; spurred, A. 
chrysantha, 169, 2313 long-spurred, 
A. cerulea, 212; A. Jaetschui, 231; 
A. Olympica, 212 . 
Combinations, blue and white, 35, 
36; chance, 38; successful, 87, 88; 
white in, 88 
Index 
2.93 
Commelina, C. celestis, 215, 229; C. 
erecta, 228 
Compost heap, 31, 55, 93, 121 
Cone Flower, see Rudbeckia hirta, 
237 
Convallaria majalis, Lily of the 
Valley, 170 
Copper sulphate, 129, 131 
Convolvulus, Dwarf, C. tricolor or 
C. minor, 224 
Convolvulus tricolor, Dwarf Con- 
volvulus, 224; C. Japonica, see 
Calystegia, 254 
Coral Bells, Heuchera sanguinea, 
279 
Coreopsis, Tickseed, C. lanceolata, 
234; Golden Wave, C. Drum- 
mondii, 243 
Corn-flower, Centaurea Cyanus, 201, 
224, 267 
Cornus florida, Flowering Dogwood, 
172; C. paniculata, Dogwood, 
panicled, 184 
Coronilla varia, Crown Vetch, 260 
Corylus pur pureus, Purple Hazel, 81 
Cosmos, early, C. bipinnatus, 22, 
185, 267, 271, 283; tall, as a back- 
ground, 79; as a house plant, 79, 
208 
Cosmos bipinnatus, Cosmos, 22, 185, 
208, 267, 271, 283 
Crab Apple, Japanese, Pyrus flori- 
bunda, 248 
Crape Myrtle, Lagerstremia Indica, 
263 
Crategus coccinea, Scarlet Thorn, 
168 
Crickets, 56 
Crocus, C. vernis, 165, 210; Cloth of 
Gold, C. susianus, 230; Dutch, C. 
mesiacus, 230 
Crocus vernis, Crocus, 165, 210, 230; 
C. susianus, Cloth of Gold, 230; 
C. mesiacus, Dutch Crocus, 230 
Cross fertilization, 116 
Crosswort, Crucienella stylosa, 254 
Crown Imperial, Frittilaria %tm- 
perialis, 275 
Crown Vetch, Coronilla varia, 260 
Crucienella stylosa, Crosswort, 254 
Cutting back tall plants, 103 
Cuttings, propagation by, 97, 98 
Cutworms, 55, 120 
