ovandensis Lundell, Wrightia 5: 326. 1976. 

 Type: MEXICO: Chiapas, Mt. Ovando, near 

 Escuintla, 24 Oct 1941, E. Matuda 6067 

 (Holotype TEX-LL (photos MEXU, PTBG); 

 Isotypes F (photo PTBG), MEXU, TEX- 

 LL).— Rondeletia ovandensis Lundell 

 Arachnothryx pansamalana (Standi.) Borhidi, 

 Acta Bot. Acad. Sci. Hung. 28: 69. 1982. 

 Rondeletia pansamalana Standi., N. Amer. Ft. 

 32: 58. 1918. Type: GUATEMALA: Alta 

 Verapaz, Pansamala, 3800 ft., Apr 1886, H. 

 von Tuerckheim 897 (Holotype US 49985 

 (photos MEXU, PTBG); Isotype GH, n.v.). 

 Rondeletia pansamalana Standi. 

 Arachnothryx phyllocephala (Standi. & L. O. 

 Williams) Borhidi, Acta Bot. Hung. 33: 302. 

 1987. Rondeletia phyllocephala Standi. & 

 L. O. Williams, Ceiba 3: 63. 1952. Type: 

 HONDURAS: Cortes, faldas hiimedas de 

 Montana Sta. Ana, matorrales hiimedos de 

 Rio Sta. Ana, 210 m, 6 Dec 1950, A. Molina 

 R. 3608 (Holotype US 2216049 (photos 

 MEXU, PTBG); Isotype F (photos MEXU, 

 PTBG)).— Rondeletia thiemei Donn. Sm. 

 Arachnothryx platysepala (Standi.) Borhidi, 

 Acta Bot. Acad. Sci. Hung. 28: 70. 1982. 

 Rondeletia platysepala Standi., Ann. Missouri 

 Bot. Gard. 27: 343. 1940. Type: PANAMA: 

 Code, El Valle, North Rim, 600-1000 m, 14 

 May 1939, P. H. Allen 1791 (Holotype F 

 989484 (photo PTBG); Isotypes F (photos 

 MEXU, PTBG), G (n.v.), GH, n.v., MO 

 (photos MEXU, PTBG), NY, n.v.). 

 —Rondeletia bertieroides Standi. 

 Arachnotluyx pohcephala (Standi.) Borhidi, 

 Acta Bot. Hung. 35: 310. 1989. Rondeletia 

 polycephala Standi., J. Wash. Acad. Sci. 17: 

 337. 1927. Type: MEXICO: Oaxaca, without 

 precise locality, F. Liebmann 11826 

 (Holotype C, fragment US (photos MEXU, 

 PTBG)).— Rondeletia mexicana (Turcz.) 

 Standi. 

 Arachnothryx pyramidalis (Lundell) Borhidi, 

 Acta Bot. Hung. 35: 310. 1989. Rondeletia 

 pyramidalis Lundell, Wrightia 5: 327. 1976. 

 Type: MEXICO: Chiapas, San Luis, near 

 Siltepec, 1300 m, 24 Jan 1945, E. Matuda 

 5292 (Holotype TEX-LL (photos MEXU, 



PTBG); Isotypes F, MEXU, TEX-LL). 

 — Rondeletia pyramidalis Lundell 

 Arachnothryx rekoi (Standi.) Borhidi, Acta Bot. 

 Acad. Sci. Hung. 28: 69. 1982. Rondeletia 

 rekoi Standi., Proc. Biol. Soc. Wash. 8: 126. 

 1918. Type: MEXICO: Oaxaca, Las Pilas 

 (Cerro Espino), 400 m, 10 Oct 1917, B. P. 

 Reko 3490 (Holotype US 867145 (photos 

 MEXU, PTBG)).— Rondeletia rekoi Standi. 

 Arachnothryx rubens (L. O. Williams) Borhidi, 

 Acta Bot. Hung. 35: 311. 1989. Rondeletia 

 rubens L. O. Williams, Phytologia 26: 128. 

 1973. Type: GUATEMALA: Quiche, Nebaj, 

 6000 ft., 19 Nov 1934, A. F. Skutch 1725 

 (Holotype F 815804 (photos MEXU, PTBG)). 

 —Rondeletia rubens L. O. Williams 

 Arachnothryx rufescens (B. L. Rob.) Borhidi, 

 Acta Bot. Acad. Sci. Hung. 28: 69. 1982. 

 Rondeletia rufescens B. L. Rob., Proc. Amer. 

 Acad. Arts 45: 402. 1910. Type: 

 GUATEMALA: Alta Verapaz, Coban, 4800 

 ft., Mar 1881, H. von Tuerckheim 582 

 (Holotype GH, n.v.; Isotypes P (photos 

 MEXU, PTBG), US, 2 sheets (photos MEXU, 

 PTBG)).— Rondeletia gracilis Hemsl. 

 Arachnothryx salicifolia (Dwyer & Hay den) 

 Borhidi, Acta Bot. Acad. Sci. Hung. 28: 70. 

 1982. Rondeletia salicifolia Dwyer & 

 Hayden, Phytologia 15: 58. 1967. Type: 

 PANAMA: Panama, Cerro Jefe in "Clusia 

 forest" at 2700-3000 ft., 27 Jan 1966, E. I. 

 Tyson, J. D. Dwyer & K. Blum 3319 

 (Holotype MO 1824503 (photo PTBG); 

 Isotypes F, US (photos MEXU, MO)). 

 —Rondeletia bertieroides Standi. 

 Arachnothryx secunda (Standi.) Borhidi, Acta 

 Bot. Acad. Sci. Hung. 28: 70. 1982. 

 Rondeletia secunda Standi., Contr. U.S. Natl. 

 Herb. 18: 141. 1916. Type: PANAMA: San 

 Bias, forests around Puerto Obaldia, San Bias 

 coast, 0-50 m, Aug 191 1, H. Pittier 4279 

 (Holotype US 679392 (photos MEXU, 

 PTBG); Isotype NY, n.v.).— Rondeletia 

 secunda Standi. 

 Arachnothryx secundiflora (B. L. Rob.) Borhidi, 

 Acta Bot. Acad. Sci. Hung. 28: 69. 1982. 

 Rondeletia secundiflora B. L. Rob., Proc. 

 Amer. Acad. Arts 45: 403. 1910. Type: 



