@inbook {4263,
	title = {Botany of Porto Rico and the Virgin Islands. Burmanniaceae},
	booktitle = {Scientific Survey of Porto Rico and the Virgin Islands},
	volume = {5},
	year = {1924},
	month = {1924///},
	pages = {178 - 180},
	publisher = {New York Acad. of Science},
	organization = {New York Acad. of Science},
	address = {New York},
	author = {Britton, N. L. and Wilson, P.}
}
@inbook {4264,
	title = {Botany of Porto Rico and the Virgin Islands. Gentianaceae},
	booktitle = {Scientific Survey of Porto Rico and the Virgin Islands},
	volume = {6(2)},
	year = {1925},
	month = {1925///},
	pages = {82 - 85},
	publisher = {New York Acad. of Science},
	organization = {New York Acad. of Science},
	address = {New York},
	author = {Britton, N. L. and Wilson, P.}
}
