DRAGONHEAD— DUSTY-MILLER 



131 



Dragonhead, continued 



False-dragonhead . Physostegia 

 Japanese D. (Dracocephalum ruy- 



schiana jayonicum] Cy) 

 Siberian D. . . . D. ruyschiana 

 Dragonroot . Arisaema dracontium 

 Dragontree . . . Dracaena draco 

 Drooping Catchfly, Drooping 

 Mockoranqe, etc. See Catch- 

 fly, MOCKORANGE, etC. 



Dropwort . Filipendula hexapetala 

 Double D. {F. h. florepleno Cy) 



DROSERA Sundew 



filiformis .... Threadleaf S. 



longifolia .... Narrowleaf S. 



rotundifolia .... Roundleaf S. 



Drummond Acacia, Drummond 



Phlox, etc. See Acacia, Phlox, 



etc. 



Dryland Blueberry 



Vaccinium vacillans 

 DRYOPTERIS .... Woodfern 

 acrostichoides 



Polystichum acrostichoides 

 bootti {Aspidium bootti) 



BooTT Woodfern 



clintoniana Clinton W. 



cristata {Aspidium cristatum) 



Crested W. 

 dentata (D. parasitica Cy; mollis; 

 Nephrodium molle) 



Downy Woodfern 

 dilatata {Lastrea dilataia) 



Mountain W. 

 dryopteris . Dryopteris linnaeana 

 filixmas {Aspidium filixmas; Las- 

 trea filixmas) . . . Male Fern 

 goldiana {A. goldianum) Goldie F. 

 hexagonoptera {Phegopteris hexa- 

 gonoptera) . Winged Woodfern 

 hirtipes {Nephrodium hirtipes) 



Shaggy W. 

 intermedia Common W. 



The fronds of this species are commonly 

 sold by florists under the name Fancy 

 Fern. 



linnaeana {Phegopteris dryopteris 

 Cy; Dryopteris dryopteris) 



Oakfern 

 marginalis {Aspidium marginale) 

 Leather Woodfern 



DRYOPTERIS, continued 



mollis .... Dryopteris dentata 

 noveboracensis {Aspidium nove- 

 boracense) . . New York Fern 

 parasitica Cy . . . . D. dentata 

 phegopteris {Phegopteris polypodi- 

 oides Cy) . Narrow Beechfern 

 spinulosa {Aspidium spinulosum) 



Toothed Woodfern 

 thelypteris {A . thelypteris) 



Marshfern 



viridescens . . Glossy Woodfern 



Due d'Anjou Burningbush {Euony- 



mus japonicus viridivariegatus] 



Cy) 



Due Van Thol Tulip 



Tulipa suaveolens 

 DUCHESNEA . Mock-strawberry 

 indica {Fragaria indica) 



Mock-strawberry 

 DuDAiM Melon 



Cucumis melo dudaim 



DUDLEYA DuDLEYA 



pulverulenta 

 DuMONT Elm {Ulmus hollandica du- 



monti\ Cy) 

 Dunbar Crab . . Malus glaucescens 



DUNEGRASS 



American D. . . . Elymus mollis 



European D E. arenarius 



DuNNETT Lupine . Lupinus dunnetti 



DURANTA Skyflower 



plumieri {D. repens Ag) 



Durmast Oak . Quercus sessiliflora 



DuRRA. Hort. var. of Holcus sor- 

 ghum. 



Dusky Pear . . Pyrus phaeocarpa 



Dusty Maple, Dusty Meadowrue, 

 etc. See Maple, Meadowrue, 

 etc. 



Dusty Don Stonecrop {Sedum brevi- 

 folium pottsi] Cy) 



Dusty-miller . Centaurea cineraria 



The name Dusty-miller has been used 

 also for Silver Cineraria (Senecio cin- 

 eraria), Auricula (Primula auricula), 

 Rose Campion (Lychnis coronaria), and 

 Beach Wormwood (Artemisia steller- 

 iana), but in the opinion of the Joint 

 Committee its application should be 

 restricted to Centaurea cineraria. 



Small CAPiTALS=approved common names. Abbreviations: (Ag) (Ar) (Cy) (t) see page 1. 



