300 AMERICAN MIDLAND NATURALIST 
Agaloma Curtisii (Engelm.) 
Tithymalopsis Curtisst (Iingelm.) Small, 1. ¢. 
Euphorbia Curtisir Engelm. 
Agaloma exserta (Small). 
Tithymalopsis exserta Small, 1. c. p. 717. 
Agaloma Joorii (Norton). 
Tithymalopsis Joorw (Norton) Small, 1. c. 
Euphorbia corollata var. Joorw Norton. 
Agaloma zinniflora (Small). 
Tithymalopsis zinniflora Small, 1. c. 
Agaloma apocynifolia (Small). 
Tithymalopsis apocyntfolia Small, 1. c. 
Euphorbia apocynifolia Small. 
Agaloma discoidalis (Chapm.) 
Tithymalopsis discoidalis (Chapm.) Small, 1. ec. 
Euphorbia discoidalis Chapm. 
Agaloma olivacea (Small) 
Tithymalopsis olivacea Small, 1. ec. 
Euphorbia olivacea Small. 
Agaloma paniculata (Ell.) 
Tithymalopsis paniculata (Ell.) Small, 1. ce. 
Agaloma Ipecacuanhae (Linn.) 
Tithymalopsis Ipecacuaunhae (IAnn.) Small, 1. c. p. 716. 
Euphorbia Ipecacuanhae Linn., Sp. Pl. 455, (1753) 
Vallaris tpecacuanha (1inn.) Raf. Fl. Tell. 96. (1836). 
Agaloma arundelana (Bartlett). 
Euphorbia arundelana Bartlett. Rhod. 13, p. 164 (1911). 
LEPADENA Raf. FI. Tell. p. 96 (1836). 
Dichrophyllum Klotzsch & Gareke, Monatsb. Acad. Berl. 
249 (1859). 
Euphorbia Pursh. Fl. Am. Sept. II. 249 (1814)-pro parte. 
Lepadena marginata (Pursh). 
Lepadena leucoloma Raf. 1. c. 
Dichrophyllum marginatum K1. & Garcke, 1. ¢. 
Euphorbia marginata Pursh. Fl. Am. Sept. II. 607, (1814). 
Lepadena bicolor (Engelm & Gray). 
Iichrophyllum bicolor (Engelm & Gray) Kl. & Garcke, 1. ¢. 
Dept. of Botany 
University of Notre Dame. 
