APPENDIX. 



1165 



ON ROCK PLANTS— contd. 

 Cyananthus 



incanus, fl. sky blue ; 3m. to 4in ; 

 August, lobatus, prefers a damp, 

 peaty soil ; large blue fl. ; bin. ; August. 



Dianthus 



arenarius, fl. white with pink eye, 

 fimbriated ; 6in. cruentus, fl. blood- 

 red; ift. deltoides, rose-coloured ; 

 6in. ; June and July. r>. albus, 

 white fl. 



Epimedium 



macranthum, yel. ; ift. ; May and 

 June. Musschianum, fl. dull white ; 

 .May. niveum, small white fl. ; ift. 

 N. roseum, fl. rose-coloured, pinna- 

 tdm, fl. bright yel. ; ift. ; May and 

 June. 



Erigeron 



glaucus, blue fl. ; ift. ; July and 

 August. Roylei, fl. lavender-blue ; 

 6in. to I2in. ; July. 



Erodium 



CHAM^DRYOIDES (RE1CHARDI), fl. 



white ; 4m. ; July, hymenodes, fl. 

 white, veined pink ; gin. ; July, ma- 

 cradendm, fl. pale violet ; 6in. to 

 12m. ; June and July. Manescavi, 

 fl. purplish-red ; ift. ; June to August. 



Gentiana 



Andrewsii, clusters of purplish-blue 

 fl. ; March to June. CRUCIATA, fl. dark 

 blue; 6in. ; June and July. ' de- 

 cumbens, fl. blue ; ift. ; June and 

 July, lutea, suitable also for the 

 border ; whorls of yel. fl. ; 3ft. ; June 

 and July, tibetica, fl. straw-coloured, 

 in clusters ; ift. ; August. 



Globularia 



nana, fl. -heads bluish, stem creep- 

 ing, trichosantha, olive-green 1. ; 

 globular heads of blue fl. ; 6in. ; June 

 and July, vulgaris, fl. bright blue ; 

 6in. to I2in. 



Hacquetia 



Epipactis, bright yel. fl. ; 3m. to 

 6in. ; April and May. 



Hutchinsia 



alpina, corymbs of snow-white fl. ; 

 3m. ; April to June. 



Jasione 



PERENNIS, dwarf compact tufts, 

 heads of light blue fl. ; ift. 



Lewisia 



REDIVIVA, tufts of long narrow 

 fleshy 1. ; fl. varying from rose to white ; 

 2in. across, 3m. high; middle of 

 summer. 



Linnaea 



BOREALIS, trailing evergreen; rose- 

 coloured bell-shaped fragrant fl. ; May 

 and June. 



Lysimachia 



Nummularia, trailing, yel. fl. ; June 

 to August. N. adrea, golden 1. 



Mentha 



Requiem, dense green carpet of 

 very fragrant 1. 



Ourisia 



coccinea, shady situation, clusters 

 of drooping sc. fl. ; gin. ; June and July. 



Platycodon 



grandiflorum, deep blue fl. ; 1 Jft ; 

 June to August. G. ALBUM, pearly- 

 white fl. g. Mariesii, fl. deep blue ; 

 ift. ; June to August. 



Pratia 



ANGULATA (LOBELIA LITTORALIS), 

 dwarf trailing plant, with white fl. 



Pulmonaria 



MOLLIS, 1. blotched and speckled 

 with white ; blue fl. ; gin. ; May and 

 June, tuberosa, fl. pink ; gin. ; May. 



Saponaria 



ocymoides, numerous rosy-cr. fl. ; 

 6in.; July and August. O. splendi- 

 dissima, fl. deep rosy-crimson; 6in. 



Saxifrage — Encrusted 



Aizoon, white ; gin.' ; May and June. 

 C^JSIA, resembling silvery moss, 

 with pale yel. fl. ; 6in. ; May and June. 

 CRUSTATA, white ; 6in. ; June. 

 lantoscana superba, panicles of 

 large snow-white fl., spotted cr. ; ift. ; 

 May and June. Macnabiana, white, 

 spotted cr. ; 2ft. ; June and July. 



— Mossy 



C^ESPITOSA, cream ; 6in. ; April and 

 May. Maweana, large pure white 

 fl. ; May. 



— . Oppositifolia 



alba, pure white fl., creeping habit. 

 splendens, sheets of rosy-cr. fl. 



