De maent van bamisse (October) and De maent van alre heligen misse (November) - Utrecht calendar - part of Der naturen bloeme - KB KA 16 - 005v

Der naturen bloemeNederlands: Der naturen bloeme

"Der naturen bloeme" is a Middle Dutch poem written by Jacob van Maerlant, a 13th-century poet and writer. The poem is part of the "Naturen Bloeme" cycle, a collection of allegorical poems that focus on the nature of creation and the cycles of the seasons. The poems were written in a courtly style.