@article {284,
	title = {The London journal of botany: containing figures and descriptions of plants together with botanical notices and information and memoirs of eminent botanists},
	volume = {2},
	year = {1843},
	author = {Gardner}
}
@article {215,
	title = {Fl. N. Amer.},
	volume = {2},
	year = {1843},
	author = {Torr. and A. Gray}
}
