D 
+ SUPPLEMENT. 
Astrapsa, Lindley. 
Astrocaryum, G. W. Meyer. 
Astroloma, R. Brown. ` ` 
Asystasia, Blume. 
Atalantia, Correa. 
Athamanta, Linneeus. 
Athanasia, Linnzeus. 
Atherosperma, Labillardiére. 
Athrixia, Ker. 
Athrotaxis, Don. 
Atragene, Linnzeus. 
Atriplex, Linnzeus. 
Atropa, Linnzus. 
Attalea, Humboldt, Bonpland, and 
Kunth. 
Aubrietia, Adanson. 
Aucuba, Thunberg. 
Audouinia, Brongniart. 
Aulax, Bergius. 
Avena, Linnæus. 
Averrhoa, Linnæus. 
Azalea, Linnzeus. 
Azara, Ruiz and Pavon. 
Babiana, Ker. 
Babingtonia, Lindley. 
Baccharis, Linneeus. 
Backhousia, Hooker and Harvey. 
Bactris, Jacquin. ` 
Bacularia, F. Mueller. 
Baa, Commerson. 
Beckea, Linnæus. 
Beria, Fischer and Meyer. 
Bahia, Lagasea. 
Balbisia, Cavanilles. 
Balsamodendron, Kunth. 
Bambusa, Schreber. 
Banisteria, Linnæus. 
Banksia, Linnæus, jun. 
Baphia, Afzelius.- 
Baptisia, Ventenat. 
Barbacenia, Vandelli. 
Barbarea, Brown. 
Barbieria, De Candolle. 
Barkeria, Knowles and Westcott. 
Barklya, F. Mueller. 
Barleria, Linnæus. 
Barnadesia, Mutis. 
Barosma, Willdenow. 
Barringtonia, Forster. 
Bartonia, Sims. 
Basella, Linnmus. 
Bassia, "Limmus. 
Batatas, Choisy. 
Batemannia, Lindley. 
Bauera, Banks. 
Bauhinia, Linnzeus, 
Beaucarnea, Lemaire. 
Beanfortia, R. Brown. 
Beaumontia, Wallich. 
Bedfordia, De Candolle. 
Befaria, Matis. 
Begonia, Linnzus. 
Bellevalia, Lapeyrouse. 
Bellidiastrum, Micheli. 
Bellis, Linnæus. 
Bellium, Linnsus. 
Beloperone, Nees. 
enthamia, Lindl 
Berardia, Vilara. Fe 
Berberido: J. D. TL : 
e ite car ooker. 
Vol. Iv. 
Genera and their Authors—continued. 
Berchemia, Necker. 
Bergera, Kænig. 
Berkheya, Ehrhart. 
Bertholletia, Humboldt and Bonpland 
Bertolonia, Raddi. 
Berzelia, Brongniart. 
Beschorneria, Kunth. 
Besleria, Linnzeus. 
Bessera, Schultz. 
Beta, Linnzeus. 
Betula, Linnzeus. 
Biarum, Schott. 
Bidens, Linnæus. 
Biebersteinia, Stephan. 
Bifrenaria, Lindley. 
Bigelovia, De Candolle. 
Bignonia, Linnzus. 
Billardiera, Smith. 
Billbergia, Thunberg. 
Biophytum, De Candolle. 
Biscutella, Linnzeus. 
Bivonwa, De Candolle. 
Bixa, Linnzus. 
Bleria, Linnzus. 
Blakea, Linnzus. 
Blandfordia, Smith. 
Blechnum, Linnzus. 
Blechum, P. Browne. 
Blepharis, Jussieu. 
Blephilia, Rafinesque. 
Bletia, Ruiz and Pavon. 
Blumenbachia, Schrader. 
Bobartia, Ker. 
Bocconia, Linnzeus. 
Beebera, Willdenow. 
Boehmeria, Jacquin. 
Boletus, Dillenius. 
Boleum, Desvaux. 
Boltonia, L'Héritier. 
Bomarea, Mirbel. 
Bombax, Linnzus. 
Bonatea, Willdenow. 
Bongardia, C. A. Meyer. 
Bonnaya, Link and Otto. 
Bonnetia, Martius and Zuccarini. 
Borago, Linnzus. 
Borassus, Linnzeus. 
Borbonia, Linneus. 
Boronia, Smith. 
Borreria, G. F. W. Meyer. 
Boscia, La Marck. 
Bossiza, Ventenat. 
Boswellia, Roxburgh. 
Botrychium, Swartz. 
Boucerosia, Wight and Arnott. 
Bouchea, Søren zeg 
Bou villea, 
os ultia, Humboldt, Bonpland, ` 
and Kunth. 
Bouvardia, Salisbury. 
Bowenia, Hooker. 
Bowiea, Harvey. 
Brabeium, Linneus. 
Brachychiton, Schott. 
Brachycome, Cassini. 
Brachylena, R. Brown. 
Brachyotum, Triana. 
Brachysema, R. Brown. 
Brachyspatha, Schott. 
| Brachystelma, R. Brown. 
Brahea, Martius. 
Brainea, Hooker. 
| Calanthe, R. gg ; 
Brassia, R. Brown. 
Brassiea, Linnzus, 
Bravoa, Llave. 
Bredia, Blume. 
Brexia, Thouars. 
Brillantaisia, Palisot de Beauvois. 
Briza, Linnsus. 
Brodiæa, Smith, 
Bromelia, Linneus, 
Bromheadia, Lindley. 
Bromus, Linneus. 
Brongniartia, Humboldt, Bonpland, 
and Kunth. 
Brosimum, Swartz. 
Broughtonia, R. Brown. 
Broussonetia, Ventenat. 
Browallia, Linnæus. 
Brownea, Jacquin. 
Brownlowia, Roxburgh. 
Brucea, Miller. 
Brunfelsia, Linnæus. 
Brunia, Linnæus. . 
Brunonia, Smith. 
Brunsvigia, Heister. 
Brya, P. Browne. 
Bryanthus, Gmelin. 
Bryonia, Linnæus. 
Bryophyllum, Salisbury. 
Bucklandia, Brown. 
Buddleia, Linnæus. 
Buettneria, Linnæus. 
Bulbine, Linnæus. 
Bulbocodium, Linnæus. 
Bulbophyllum, Thouars. 
Bunchosia, L. C. Richard. 
Buphthalmum, Linnæus. 
Bupleurum, Linnæus. 
Burbidgea, J. D. Hooker. 
Burchardia, R. Brown. 
Burchellia, R. Brown. 
Burlingtonia, Lindley. 
Bursaria, Cavanilles. 
Bursera, Linnæus. 
Burtonia, R. Brown. 
Butea, Roxburgh. 
Butomus, Linnæus. 
Buxus, Linnæus. 
Byrsonima, L. C. Richard. 
Bystropogon, L'Héritier. 
Cabomba, Aublet. 
Cacalia, Linnæus. 
Cacoucia, Aublet. 
Cæsalpinia, Linnæus. ; 
Cajanus, De Candolle. ER. 
Cakile, Geertner. EE 
Caladenia, R. Brown. EE 
Caladium, Ventenat. 
Calamagrostis, Adanson. 
Calamintha, Mænch. 
Calamus, Linnæus. 
Calandrinia, Humboldt, Bonpland, and 
Kunth. 
Calathea, G. F. W. Meyer. * 
l Linnæus. — 3 
