PERENNIALS FOR DIFFERENT PURPOSES 231 



will lend touches of colour to this mass of green during the summer 

 months. 



Aconitum fischeri Kniphofia pfitzeri 



Monkshood Red-hot Poker Plant 



Aconitum napellus Liatris (in variety) 



Monkshood Blazing Star 



Gladiolus (in variety) Lilium (See List No. XXXIII-F) 



Sword Flower Lily 



Hyacinthus candicans Physostegia virginiana 



Summer Hyacinth False Dragon Head 



H. Perennials for Good Blooming Combinations. The fol- 

 lowing group contains interesting combinations of perennials which, 

 if planted together, will produce in each case a pleasing colour effect. 

 The perennial garden is valuable for two effects: either for a succession 

 of bloom, or for interesting colour combinations of those flowers 

 which bloom at the same time. The following is an endeavour to 

 provide such combinations:* 



1. Rosa foetida harisoni and Aquilegia caerulea, blue. 



2. Heuchera sanguinea, coral; Aquilegia caerulea, blue; Iris germanica Kharput, purple. 



3. Paeonia /estiva maxima, white; Dianthus latifolius atrococcineus, crimson; Paeonia, 



pink (in variety); Clematis recta, white (as background) and Dianthus bar- 

 batus, variety "Newport", pink. 



4. Iris pallida dalmatica, lavender; and Thermopsis caroliniana, yellow. 



5. Cerastium tomentosum, white; Linum perenne, blue. 



6. Phlox Miss Lingard, white; and Campanula persicifolia caerulea, blue. 



7. Phlox Miss Lingard, white; Aquilegia chrysantha,.ye\\ow; and Heuchera sanguinea, 



coral. 



8. Hemerocallis flava, or Anthemis tinctoria kelzoayi, yellow; with Delphinium for- 



mosum or Baptisia australis, blue; or Iris Celeste, blue. 



9. Hemerocallis fulva, orange with Clematis recta, white. 



10. Coreopsis lanceolata, or Thermopsis caroliniana, yellow; with Delphinium in deep 



blue shades. 



11. Chrysanthemum shasta daisy, white; Anthemis tinctoria kelzoayi, yellow; and 



Delphinium belladonna, blue. 



12. Delphinium belladonna or hybrids, blue; and Lilium candidum, white. 



13. Anchusa italica, blue; and Anthemis tinctoria kelzoayi, yellow. 



14. Chrysanthemum shasta daisy, white; and Iris kaempferi in purple shades, or 



Dianthus Napoleon III, crimson. 



15. Monarda didyma Cambridge, scarlet; and Phlox paniculata, white. 



16. Phlox paniculata, pink; Lilium speciosum, white; and Veronica longifolia subsessi- 



lis, violet. 



17. Thalictrum dipterocarpum, blue; Veronica longifolia subsessilis, violet; and Ane- 



mone japonica, white. 



*For common names refer to index and page references. 



