"Azure, three ships with three masts, rigged and under full sail, the sails, pennants and ensigns Argent, each charged with a cross Gules; on a chief of the second a pale quarterly Azure and Gules, on the 1st and 4th a fleur-de-lis or, on the 2nd and 3rd a leopard or, between two roses Gules seeded Or barbed Vert." The shield had as a crest: "A sphere without a frame, bounded with the Zodiac in bend Or, between two pennants flottant Argent, each charged with a cross Gules, over the sphere the words DEUS INDICAT" (Latin: God Indicates). The supporters were two sea lions (lions with fishes' tails) and the motto was DEO DUCENTE NIL NOCET (Latin: Where God Leads, Nothing Hurts).
What plant was on the masts?
two roses Gules seeded Or barbed Vert