BERCHEMIA Necker ex DC. 

 RHAMNACEAE Buckthorn Family 



racemosa Sieb. & Zucc. 

 racemosa Sieb. & Zucc. 'Issai' 

 scandens (J.Hill) K.Koch 



Nightshade Family 



BETULA L. 

 BETULACEAE 



Birch 

 Birch Family 



alleghaniensis Britton 



costata Traut. 



davurica Pall. 



jaquemontii Spach 



lenta L. 



maximowicziana Regel 



nigra L. 



occidentalis Hook. 



papyrifera Marsh. 



papyrifera x B. maximowicziana 



pendula Roth 



pendula x B. nigra 



pendula Roth 'Dalecarlica' 



pendula Roth 'Purpurea' 



pendula Roth 'Youngii' 



platyphylla Sukachev var. japonica 



(Miq.) Hara 

 populifolia Marsh. 

 potaninii Batal. 

 pubescens Ehrh. 

 uber (Ashe) Fern. 



BIGNONIA L. 

 BIGNONIACEAE 



capreolata L. 



Bignonia Family 



BREYNIA J.R. & J.G. Forst. 

 EUPHORBIACEAE Spurge Family 



disticha J.R. & J.G.Forst. 



BROUSSONETIA L'Her. ex Vent. 

 MORACEAE Mulberry Family 



papyrifera (L.) Vent. 

 papyrifera (L.) Vent. 'Variegata' 



BRUCKENTHALIA Reichenb. 

 ERICACEAE Heath Family 



spiculifolia (Salisb.) Reichenb. 



BRUGMANSIA Pers. 



SOLANACEAE Nightshade Family 



suaveolens (Humboldt & Bonpland 

 ex Willd.) Bercht. & J.Presl 



BRUNFELSIA L. 

 SOLANACEAE 



australis Benth. 



BUCKLEYA Torr. 



SANTALACEAE Sandalwood Family 



distichophylla (Nutt.) Torr. 



BUDDLEJA L. 

 BUDDLEJACEAE 



Butterfly Bush 

 Buddleja Family 



alternifolia Maxim. 

 crispa Benth. var. farreri (Balf.f. & 

 W.W.Sm.)Hand.-Mazz. 

 davidii Franch. 

 davidii Franch. 'Alba' 

 fallowiana Balf.f. & W.W.Sm. 

 farreri Balf.f. & W.W.Sm. 

 japonica Hemsl. 

 lindleyana Fort, ex Lindl. 

 venenifera Makino 

 x weyeriana Weyer 

 x weyeriana Weyer Sungold' 

 xwhiteana R.J.Moore 



BUMELIA O.Swartz 

 SAPOTACEAE 



lanuginosa (Michx.) Pers. 

 lycioides (L.) Pers. 

 tenax (L.) Willd. 



BUTIA (Becc.) Becc. 

 ARECACEAE 



capitata (Mart.) Becc. 



BUXUS L. Box 

 BUXACEAE 



Sapodilla Family 



Palm Family 



Boxwood Family 



balearica Lam. 

 harlandii Hance 

 harlandii Hance 'Richard' 

 microphylla Sieb. & Zucc. 

 microphylla Sieb. & Zucc. 'Compacta' 

 microphylla Sieb. & Zucc. 'Curly Locks' 

 microphylla Sieb. & Zucc. 'Grace 



Hendrick Phillips' 

 microphylla Sieb. & Zucc 

 microphylla Sieb. & Zucc 



Whiting' 

 microphylla Sieb. & Zucc. 'Henry 



Hohman' 

 microphylla Sieb. & Zucc. 'John 



Baldwin' 



'Green Pillow' 

 'Helen 



255 



