]> [author note: Herbarium and types: MT, MTJB; additional material at A, C, CAN, DAO, DPU, E, GB, GH, K, NY, QUE, QMP, US, WELC (now at NY)] Botany Rousseau, (Joseph Jules Jean) Jacques Rousseau, (Joseph Jules Jean) Jacques J. Rousseau Joseph Jules Jean Jacques Rousseau 1905 1970