, probably Psychotria 

 micrantha Kunth in Humbl., Bonpl. & Kunth 

 Mapouria trichogyne Muell. Arg. in Mart., Fl. 

 Brasil. 6: 426. 188. Type: BRAZIL: Habitat in 

 prov. de Alto Amazonas, prope Manaos ad 

 Rio Negro, Spruce s.n. (B, presumably 

 destroyed). Geophila. — Geophila cordifolia 

 Miq. 



Microsplenium Hook. f. in Benth. & Hook, f., 

 Gen. PI. 2: 4. 1873. Type: Microsplenium 

 coulteri Hook. f. [Herein treated as a synonym 

 ofMachaonia Humb. & Bonpl] 



Microsplenium coulteri Hook. f. in Benth. & 

 Hook, f., Gen. PI. 2: 4. 1873. Type: MEXICO: 

 Hidalgo, Zimapan, Coulter (Holotype K, 

 n.v.).— Machaonia coulteri (Hook, f.) Standi. 



MitchellaL., Sp. PI. 1: ill. 1753. Type: 

 Mitchella repens L. 



Mitchella repens L., Sp. PI. 1 : 1 1 1. 1753. Type: 

 U.S.A.: Habitat in Carolina, Terra Mariana, 

 Virginia, Herb. Linn. 135.1 (Lectotype LINN, 

 n.v.; designated by Reveal et al., 1987: 215). 



Mitracarpum auct. [Herein treated under 



Mitracarpus Zucc. ex Schult. & Schult f. in 

 Roem. & Schult., Mant. PI. 3: 210 (as 

 Mitracarpum), 399. 1827. Type: Mitracarpus 

 scaber Zucc. ex Schult. & Schult. f. 



Mitracarpus breviflorus A. Gray, PI. Wright. 2: 

 68. 1853 (as Mitracarpum breviflorum). Type: 

 MEXICO: Sonora, mountain ravines and hill- 

 sides near Santa Cruz, Sep 1851, C. Wright 

 1120 (Holotype GH, n.v.; Isotype US (photos 

 MEXU, PTBG)).— Mitracarpus hirtus (L.) 

 DC. 



Mitracarpus hirtus (L.) DC, Prodr. 4: 572. 

 1830. Spermacoce hirta L., Sp. PL, ed. 2, 1: 

 148. 1762. Not Spermacoce hirta L., 1767, 

 nor Sw., 1791. Type: JAMAICA: Browne 

 •Spermacoce # 3 ' (LINN 125.4, n.v.). For 

 typification see Verdcourt (1975: 317-322). 



Mitracarpus linearis Benth., Bot. Voy. Sulphur 

 20. 1844 (as Mitracarpium lineare). Type: 



MEXICO: Baja California, Cape [Cabo] San 

 Lucas, Hinds 65 (Holotype BM, n.v.). 



Mitracarpus pallidus Hook. & Arn., Bot. 

 Beech. Voy. 4: 30. 1840. Type: MEXICO: 

 Realjo, collector probably Sinclair s.n. 

 (Holotype presumably K, n.v.). 



Mitracarpus rhadinophyllus (B. L. Rob.) L. O. 

 Williams, Fieldiana, Bot. 29: 371. 1961. 

 Borreria rhadinophylla B. L. Rob., Proc. 

 Amer. Acad. 45: 409. 1910. Type: BRITISH 

 HONDURAS (BELIZE): On dry, sandy pine 

 ridges, 23 Oct 1905, M. E. Peck 180 

 (Holotype GH, n.v.; Isotype NY, n.v.) 



Mitracarpus schizangius DC, Prodr. 4: 572. 

 1830 (as Mitracarpum schizangium). Type: 

 MEXICO: Without precise locality, Haenke 

 s.n. (Holotype presumably PR, n.v.). 



Mitracarpus schizangius DC. var. angi 

 Oerst., Vidensk. Meddel. Dansk Naturhist. 

 Foren. Kjobenhavn 1852: 7. 1853. Type: 

 NICARAGUA: Volcan El Viejo, Oersted s.n. 

 (Holotype C, n.v.).— Status uncertain. 



Mitracarpus villosus (Sw.) Cham. & Schltdl., 

 Linnaea 3: 363. 1828. Spermacoce villosa 

 Sw., Prodr. Veg. Ind. Occ. 29. 1788. Type: 

 JAMAICA: Swartz s.n. (Holotype presumably 

 BM, n.v.) —Mitracarpus hirtus (L.) DC 



Montamans Dwyer, Ann. Missouri Bot. Gard. 

 67: 284. 1980. Type: Montamans panamensis 

 Dwyer [Herein treated as a synonym of 

 Psychotria L.] 



Montamans panamensis Dwyer, Ann. Missouri 

 Bot. Gard. 67: 286, fig 62. 1980. Type: 

 PANAMA: Chiriqui, Cerro Horqueta, rain 

 forest, ca. 5500 ft., 20 Jul 1968, J. D. Dwyer 

 & B. Lallathin 8792 (Holotype MO 2163225 

 (photos MEXU, PTBG)).— Psychotria 

 aggregata Standi. 



Morinda L., Sp. PI. 1: 176. 1753. Type: Morinda 



Morinda asperula Standi., Publ. Field Mus. 

 Nat. Hist., Bot. Ser. 22: 54. 1940. Type: 

 GUATEMALA: Izabal, hilly pine forest near 

 Quirigua, 72-150 m, 26-27 Apr 1939, P. C. 

 Standley 72368 (Holotype F 991552 (photo 

 PTBG)). 



