Progress in Malesian botany

Apocynaceae. Professor F. Markgraf at Zürich, after having sent his Alyxia revision, 57 species, for publication in Blumea, is continuing his FM work with the genera Dyera and Amblyocalyx. He then means to take up Rauvolfia. His large MS. for the Flore de Madagascar, prepared years ago, has just been published. Miss M.-H. Sachet at the US-Herbarium has embarked on a monograph of Ochrosia.