Nymphaea (? Brachyceras) Burttii Pring & Woodson, spec. nov., foifis magnis longe-petiolatis orbiculare-sagittatis margine plus minusve conspicue undulato-sinuatis apice late obtusis vel rotundatis sinu profundo auriculis leviter divergentibus obtusis 25-35 cm. longis subcoriaceis utrinque viridibus vel saepius purpureo-maculatis glaberrimis vel umbilico paulo papillato subtus nervis manifestis sed vix prominentibus; floribus speciosissimis primulino-flavis 15-18 cm. diametro metientibus, sepalis ovato-lanceolatis acutiusculis 5-8 cm. longis 2-3 cm. latis dilute viridibus immaculatis laevibus, petalis ca. 20-23 anguste ellipticis apice acuminatis vel anguste acutis medio versus gradatim angustatis plerisque 5-nervatis exterioribus quam sepalis paulo brevioribus ca. 4.5-7.0 cm. longis 1.0-2.5 cm. latis, staminibus 190-200 linearibus connectivo manifeste elongato basi paulo ampliato exterioribus ca. 5 cm. longis dilute cadmio-flavis, carpellis 28-30 stylo linearo profunde inclinato stigmate concavo; fructu minore 3.5-4.0 cm. diametro metiente, seminibus ovoideooblongoideis apice minutissime apiculatis longitudine leviter puncticulato-striatis griseo-brunneis maximo ca. 0.075 cm. minimo ca. 0.05 cm. diametro metientibus.-Cult. Missouri Botanical Garden, Aug., 1930, G. H. Pring s. n. (Herb. Mo. Bot. Garden, TYPE). Leaves large, long-petiolate, orbicular-sagittate, margin more or less conspicuously undulate-sinuate, apex broadly obtuse or rotund, sinus relatively deep and narrow, auricles obtuse, slightly 1 Issued April 29, 1933.