regarded as intermediate between the two genera, nor 
do the many specializations of Brugmansia permit it to 
be regarded as the progenitor of Datura. On the basis 
of this evidence, Brugmansia merits generic rank. 
SYNOPSIS OF BRUGMANSIA NOMENCLATURE 
Brugmansia Persoon. 1805. Synopsis Plantarum 1: 216. 
Brugmansia arborea (L.) Lagerheim. 1895. Bot. Jahrb. 20: 663. 
B. aurea Lagerheim. 1893. Gartenflora 42: 33. 
B. candida Persoon. 1805. Synopsis plantarum 1: 216, 
B. cornigera (Hook.) Lagerheim. 1895. Bot. Jahrb. 20: 663. 
B. dolichocarpa Lagerheim. 1895. Bot. Jahrb. 20: 665. 
B. longifolia Lagerheim. 1895. Bot. Jahrb. 20: 666. 
B. sanguinea (Ruiz & Payon) D. Don. 1835. Sweet Brit. Fl. Gard. 
2: 272, 
B. suaveolens (Humb. & Bonpl. ex Willd.) Bercht. & Presl. 1823. 
Rostl. I. Solanac. 45. 
B. versicolor Lagerheim. 1895. Bot. Jahrb. 20: 666. 
The following Brugmansia will be treated in a forth- 
coming paper where necessary transfers will be made. 
Datura affinis Safford. 1921. Jour. Wash. Acad. Sci. 11: 186. 
D. Gardnert Hook. 1846. Curtis Bot. Mag. 72: pl. 4252. 
D. insignis Barbosa Rodrigues. 1888. Vellosia, Ed. 1, Vol. 1. 1891. 
Bd. 2,.12-62, 
D. mollis Safford. 1921. Jour. Wash, Acad. Sci. 11: 188. 
D, Pittieri Safford. 1921. Jour. Wash. Acad. Sci. 11: 187. 
D, Rosei Safford. 1921. Jour. Wash. Acad. Sci. 11: 188. 
D. rubella Safford. 1921. Jour. Wash. Acad. Sei. 11: 185. 
D. vulcanicola A.S. Barclay. 1959. Bot. Mus. Leafl. Harvard Univ. 
18: 260-261. 
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