A MONOGRAPH OF SPHAEROPHRAGMIUM (UREDINALES)

Species of Sphaerophragmium are reviewed and their morphological varia tions, host plants and geographical distribution analysed. Sixteen spe cies are accepted including two new species, S. albiziae and S. ornatu m, from the Philippines. Sphacrophragmium luzonicum and S. monodorae a re treated as synonyms of S. acaciae and S. chevalieri, respectively. Sphaerophragmium debile is transferred to Spumula. Thirteen species oc cur on plants of the Leguminosae and three on the Annonaceae, all bein g distributed in the tropics.