@article {20302,
	title = {Studies of West Indian plants---XI},
	journal = {Bulletin of the Torrey Botanical Club},
	volume = {50},
	year = {1923},
	pages = {35-56},
	chapter = {35},
	url = {http://www.biodiversitylibrary.org/item/90525$\#$page/40/mode/1up},
	author = {Britton, Nathaniel L.}
}
