Erythrostemon placidus (Brandegee) E. Gagnon & G. P. Lewis. A flowers (C. E. Hughes, Baja California, Mexico, Lewis 2031 (K)). Erythrostemon mexicanus (A. Gray) E. Gagnon & G. P. Lewis B inflorescence (C. E. Hughes, San Luís Potosí, Mexico, Hughes et al. 1606 (FHO)). Erythrostemon coccineus (G. P. Lewis & J. L. Contr.) E. Gagnon & G. P. Lewis C flowers (C. E. Hughes, Oaxaca, Mexico, Lewis et al. 1802 (K)). Erythrostemon pannosus (Brandegee) E. Gagnon & G. P. Lewis (captions continued on next page) D (G. P. Lewis, cultivated in University of Texas from seeds collected in Mexico, B. L. Turner 88 (TEX)). Erythrostemon exostemma (DC.) E. Gagnon & G. P. Lewis E flowers (G. P. Lewis, Comayagua, Honduras, Lewis & Hughes 1709 (K)). Erythrostemon gilliesii (Hook.) Klotzsch F Inflorescences (Stan Shebs, Wikicommons (https://commons.wikimedia.org/wiki/File:Caesalpinia_gilliesii_2.jpg), Nevada, U.S.A., unvouchered). Erythrostemon melanadenius (Rose) E. Gagnon & G. P. Lewis G inflorescence I fruit (C. E. Hughes, Oaxaca, Mexico, Hughes et al. 2091 (FHO)). Erythrostemon hintonii (Sandwith) E. Gagnon & G. P. Lewis H inflorescence J fruit (G. P. Lewis, Mexico, MacQueen et al. 428 (K)). Erythrostemon hughesii (G. P. Lewis) E. Gagnon & G. P. Lewis K unripe, ripe and dehisced fruits and seeds (C.E. Hughes, Oaxaca, Mexico, Lewis et al. 1795 (K)). Erythrostemon nicaraguensis (G. P. Lewis) E. Gagnon & G. P. Lewis L fruits (C. E. Hughes, Esteli, Nicaragua, Hawkins et al. 4 (FHO)). Erythrostemon exilifolius (Griseb.) E. Gagnon & G. P. Lewis M fruits (E. Gagnon, Argentina, Gagnon et al. 203 (MT)) Q flower and buds (E. Gagnon, Catamarca, Argentina, Gagnon & Atchison 222 (MT)). Eythrostemon fimbriatus (Tul.) E. Gagnon & G. P. Lewis N fruits (C. E. Hughes, La Paz Bolivia, Hughes et al. 2441 (FHO)). Erythrostemon cf. fimbriatus (Tul.) E. Gagnon & G. P. Lewis R flowers (C. E. Hughes, Santa Cruz, Bolivia, Hughes et al. 2466 (FHO)). Erythrostemon calycinus (Benth) L.P. Queiroz O flower (G. P. Lewis, Bahia, Brazil, unvouchered). Erythrostemon coulterioides (Griseb. emend. Burkart) E. Gagnon & G. P. Lewis P leaves, inflorescence with flowers and developing fruits (E. Gagnon, Jujuy, Argentina, Gagnon & Atchison 209 (MT).