RHODODENDRON— RIBES 



399 



Rhododendron, continued 



Triumph. Jav. Trium-phans. 



Venustiim. Jackson. 



Virgin. Cat. Bicolor. 



Warrior. Cat. 



Wellesley. Wellesleyanum. 



Wels. Arb. Welsianum. 



White Balsam. Jav. Balsamini- 



florufn album. 

 White Carolina R. R. carolini- 



anum album. 

 White Pearl. 

 White Rock. R. ferrugineum 



alburn^ Cy. 

 W^iLLiAM Austin. Cat. 

 Wilson R. Ferrugineum X minus; 



R. laelivirens\ Cy; Wilsoni; 



Wilsonae; Wilsonianum. 

 Winter. Ciliatum X dahuricum; 



R. praecox^ Cy. 

 Yellow Balsam. Jav. Balsam- 



iniflorum aureum. 

 Yellowspot. Can. Coriaceum. 

 Yunnan R. R. yunnanense. 



RHODOMYRTUS . . Rosemyrtle 

 tomentosa Downy R. 



RHODORA Rhodora 



canadensis (Rhododendron cana- 



dense Cy-Ar; Azalea canadensis) 



Rhodora 



RHODOTYPOS Jetbead 



kerrioides (R. scandens Ar) 



Jetbead 



RHOPALOSTYLIS 



baueri (Areca baueri) Bauer Palm 

 sapida (A. sapida) . . Mikan P. 



Rhubarb Rheum 



Collin R. . . . R. coUinianum 

 Common R. . . . R. rhaponticum 



Sorrel R R. palmatum 



Tangutian R. {R. palmatum tan- 

 guticum] Cy) 



RHUS Sumac 



ailanthoides . Picrasma quassioides 

 aromatica Ag . . Rhus canadensis 

 canadensis {R. aromatica Ag) 



Fragrant Sumac 

 copallina Shining S. 



Small CAPiTALS=approved conmion names 



RHUS, continued 



cotinoides {Cotinus americanus Cy- 

 Ag-Ar). AmericAxV Smoketree 

 cotinus (C. coggjjgria Cy-Ag-Ar) 



Common Smoketree 



See also hort. var. list below. 



glabra Smooth Sumac 



— cismontana .... Yellow S. 



.Soe also hort. var. list below. 



hirta Ag Rhus typhina 



javanica (osbecki; semialata os- 



bccki) Java Sumac 



michauxi . . Michaux Poison S. 



osbecki R. javanica 



semialata osbecki . . . R. javanica 

 trilobata . . . Lemonade Sumac 

 typhina (R. hirta Ag) Staghorn S. 



8ee also hort. var. list below. 



vemiciflua . . . Lacquer-tree 

 Hort. var. of Rhus : 



CuTLEAF Sumac {R. glabra lacin- 



iata\ Cy) 

 Purple Smoketree (R. cotinus at- 



ropurpurea'\ ; Cotinus coggijgria 



atropurpurea Cy) 

 Shredded Sumac (R. typhina lacin- 



iata'\ Cy; hirta laciniata) 



RHYNCHOSIA . . . ROSARI-BEAN 



phaseoloides (Dolicholus phaseo- 

 loides Ag) .... Rosarii-bean 

 precatoria (D. precatorius Ag) 



Mexican R. 

 RHYNCHOSPERMUM 



TRACHELO SPERMUM 



RHYNCHOSTYLIS 



See ORCHID GENERA. 



Ribbon Brake, Ribbon Grass, etc. 

 See Brake, Grass, etc. 



RiBBONBUSH 



Muehlenbeckia platyclada 



RIBES (including GROSSULARIA 

 Ag) . . Gooseberry, Currant 



For varieties of Gooseberry and Currant 

 cultivated for their fruit see American 

 Pomological Society's list of Fruits, in 

 Appendix. 



alpestre . . Hedge Gooseberry 

 alpinum . . Mountain Currant 

 americanum (jloridum) 



American Black C. 



Abbreviations: (Ag) (Ar) (Cy) (t) see page 1, 



