RIVERS— ROOF 



401 



Rivers Beech, Rivers Chinese 

 Crab, etc. See Beech, Crab, 

 etc. 

 RIVINA 



humilis Rouge-plant 



ROBINIA Locust 



bessoniana Besson L. 



Hort. var. of R. pseudoacacia. 



decaisneana .... Decaisne L. 



Hort. var. of R. pseudoacacia. 



hispida Rose-acacia 



See also hort. var, list below. 



holdti HoLDT Locust 



inermis 



A name misapplied to horticultural va- 

 rieties of R. pseudoacacia, such as Thorn- 

 less or Umbrella, but sometimes misap- 

 plied also to Smooth Rose-acacia. See 

 hort. var. list below. 



kelseyi Kelsey Locust 



neomexicana . . New Mexican L. 

 — luxurians .... Western L. 

 pseudoacacia (pseudacacia) 



Common L. 

 semperflorens . . . Perpetual L. 



Hort. var. of R. pseudoacacia. 



viscosa Clammy L. 



Hort. var. of Robinia: 



Besson Locust (R. pseudoacacia 



bessoniana^ Cy; bessoniana) 

 Decaisne L. (R. p. decaisneana-\ Cy ; 



decaisneana) 

 Perpetual L. (R. p. semperflorens] 



Cy; semperflorens) 

 Singleleaf L. {R. pseudoacacia 



monophylla] Cy) 

 Smooth Rose-acacia {R. hispida 



macrophylla] Cy) 

 Thornless Locust (R. pseudo- 

 acacia iner7nis\ Cy) 

 Umbrella L. {R. pseudoacacia um- 



braculifera] Cy) 

 Robinson Anemone (Anemone nemo- 



rosa robinsoniana] Cy) 



ROCHEA Rochea 



coccinea (Crassula coccinea) 



Scarlet R. 

 Rock 

 Living-rock 



Ariocarpus; A. fissuratus 

 Rock Aster, Rock Candytuft, etc. 

 See Aster, Candytuft, etc. 



Rockbeauty . . . Draba pyrenaica 



RocKBELL Wahlenbergia 



Gentian R W. gracilis 



RocKBRAKE .... Cryptogramma 

 American R. . C. acrostichoides 

 Slender R. . .' . . . C. stelleri 



RocKCRESs Arabis 



Alpine R A. alpina 



Double Alpine R. Hort. var. of 

 A. alpina. 



Downy R A. mollis 



Dwarf Alpine R. Hort. var. of 

 A. alpina. 



Italian R A. muralis 



•Wallcress A. albida 



Rockery Blistercress 



Erysimum pulchellum 



Rocket Hesperis 



Dames R H. matronalis 



Rocket Candytuft (Iberis amara 



coronaria] Cy) 

 RocKPURSLANE .... Calandfinia 



Common R C. grandifiora 



Peruvian R. . . . C. umbellata 



RocKRosE Cistus 



Brown-eyed R. (C. ladaniferus 

 maculalus] Cy) 



Gum R C. ladaniferus 



Laurel R C. laurifolius 



Montpelier R. . C. monspeliensis 



Salvia R S. salvifolius 



Whiteleaf R. . . . C. albidus 

 Rockspirea . . Holodiscus discolor 

 RocKSPRAY . Cotoneastermicrophylla 

 Thyme R. . . . Cm. thymifolia 

 Rocky Mountain Cranesbill, 

 Rocky Mountain Gayfeather, 

 etc. See Cranesbill, Gay- 

 feather, etc. 



RODGERSIA 



podophylla .... Bronzeleaf 



tabularis 

 Roebelin Palm . . Phoenix roebelini 

 Roman Wormwood Artemisia pontica 

 Romero . . . Trichostema lanatum 



ROMNEYA .... Canyon-poppy 



coulteri Coulter C. 



trichocalyx Bridal C. 



Roof Iris, Roof Houseleek, etc. 

 See Iris, Houseleek, etc. 



