Passage: Carl Linnaeus, in 1735 on a trip through Holland, was invited by Burman, carrying a letter of recommendation from Herman Boerhaave. Burman was impressed by the young man and offered him accommodation in his home on Keizersgracht. Linnaeus was employed by Burman almost six weeks to complete a flora of the plants of Ceylon.Burman introduced Linnaeus to George Clifford III and Clifford showed them a fantastic book. It was not in Burman's collections and Clifford said he could have it in exchange for Linnaeus who was employed to survey the gardens and the menagerie at Hartekamp.  Burman was later commemorated by Linné in the genus Burmannia and family Burmanniaceae.

Question: What did Burman offer the man?
accommodation