New Taxa, a New Name, and a New Combination in Rubiaceae from Southern Mexico and Mesoamerica David H. Lorence National Tropical Botanical Garden, P.0. Box 340, Lawai, Hawaii 96765, U.S.A. Abstract. Six new species of Rubiaceae from southernMexicoandMesoamericaaredescribed and illustrated: Crusea andersoniorum Lorence, Deppea miahuatlanica Lorence, Glossostipula strigosa Lorence, Hedyotis terrellii Lorence, Ron- deletia evansii Lorence, and Rondeletia pringlei Lorence. One new combination is proposed, Cho- melia rudis (Standley) Lorence, based on Aniso- meris rudis Standley. and the new name Psycho- tria molinarum Lorence is proposed based on EveachiapensisStandley. During the course of preparing the Rubiaceae treatment for Flora Mesoamericana, collections representing undescribed taxa in various genera fromMesoamericaandsouthernMexicowereen¬ countered. A number of these specimens were collected during field explorations of botanically poorlyknownareasfortheFloraMesoamericana, Flora of Chiapas, and Flora de Oaxaca projects. Six new species are described and illustrated and their affinities discussed. In addition, one new combination is made and one new name is pro¬ posed. The taxa are arranged here alphabetically by tribe and within each tribe following Anders- son (1992). A complete account of the Meso- american Rubiaceae will be given in the forth¬ coming treatment for Flora Mesoamericana by D. Lorence, C. M. Taylor, and other contributors. Gardenieae Glossostipula strigosa Lorence, sp. nov. TYPE: Honduras. Atldntida: base of N slope of Pico Bonito, E of new CURLA (Centro Universitario Regional del Litoral Atlantico) camp building onQuebradaGrande,ca.Vskmaboveitscon¬ fluence with the Rio Bonito, ca. 10 km SW of La Ceiba, Parque Nacional Pico Bonito, 15°42'N, 86°51'W, 140 m, 8 May 1993, R. Evans 1559 (holotype, MO 04585952 (photo PTBG); isotype, PTBG 16114). Figure 1. Species Glossostipulae concinnae (Standley) Ixirence af- finis, sedramunculisfoliisinflorescentiastrigosaextri- chomatibus 0.2—1mmlongis constanti, foliaacuminata, acumine1-1.5cmlongosaepefalcatodiffert. Understory tree 6 m tall, leafy twigs 1.5—3 mm diam., densely fulvous-strigose with stiff, simple, ascendinghairs0.2—1mmlong,pubescenceper¬ sistent, internodes 0.7-6 cm long. Leaves oppo¬ site, short-petiolate, those of a pair equal or sub¬ equal; petioles 4—8 X 1 — 1.2 mm, densely strigose; lamina oblanceolate, 6.3-14.8 X 2.1-5 cm, chartaceous, adaxially sparsely strigose, hairs denser along costa, abaxially densely stri¬ gose along costa and veins, the surface strigose- hirtellous, base acute or narrowly cuneate, apex acuminate, the acumen 1-1.5 cm long, often fal¬ cate, secondary veins 7—12 pairs, festooned bro- chidodromous, venation visible to 4° or 5° on both surfaces, the margin ciliate; stipules intra- petiolar, 10-13 X 3-4.5 mm, foliaceous, oblong- elliptic, rounded at apex, externally strigose, in¬ ternally glabrous, deciduous leaving ring of brown colleters 1 mm long at node. Staminate inflorescences terminal, pleiochasial, 15-18- flowered, sessile or peduncle to 2 mm long, with 3—5 densely strigose primary branches 5—6 mm long, subtended by 1-2 pairs of stipule-like bracts.Staminateflowersondenselystrigose,mi¬ nutely braeteolate pedicels 3—7 X 0.8 mm, hy- panthium small, the calycine cup broadly cam- panulate, 2—2.5 X 3—4 mm, externally densely strigose,internallyglabrous,thecalyx5—6-lobed or undulate, the calyx lobes broadly triangular or subcircular, 0.5-1 X 1-1.5 mm, strigose, the apex acute to obtuse or retuse; corolla white, traced with light yellow when fresh, shortly hy- pocrateriformatanthesis,thetube6—7mmlong, 2 mm wide medially, externally densely strigose, internally glabrous, the lobes 6, spreading, 5—6 X 4 mm, obovate-ligulate, the apex rounded to truncate, the external margin ciliolate; stamens 6, sessile, basifixed, the anthers linear, 3—3.5 X 0.7-0.9 mm, exserted and recurved, the apex apiculate, the base truncate; style 8-9 mm, stri¬ gose medially, stigma 2 mm long, clavate, ex¬ serted, weakly 4-lobed. Pistillate inflorescence andfruitnotseen. Distribution. Known only from the type lo¬ cality in lowland primary tropical wet forest at Novon 7: 46-58. 1997.