Steven Arnold Collections, Mexico and Central America, 1965 1. Selloa glutinosa Spreng. 2. Tecoma stans (L.) HBK. 3. unidentifiable 4. Solanum cf. diversifolium Schlecht. 5. Asclepias elata Benth. 6. Calliandra cf. surinamensis Benth. 7. Buddleia nitida Benth. 8. Crotalaria retusa L. 9. Solanum aff. donnell-smithii Coult. 10a. Gyandropsis speciosa (HBK.) DC. 10b. Heliotropium indicum L. 11. Poinciana regia Bej. 12. Asclepias curassavica L. 13. Stenmodia durantifolia (L.) SW. 14. Antigonon leptopus Hook. & Arn. 15. no specimen 16. Acacia probably cornigera Willd. 17. Acacia probably cornigera Willd. 18. Ludwigia octovalvis (Jacq.) Raven Det. P. Raven, 1965 19. Hibiscus tiliaceus L. 20. Genipa americana L. 21. Croton xalapensis HBK. 22. no specimen 23. Rhynchanthera mexicana DC. 24. Coffea arabica L. 25. Mimosa pudica L. 26. Solanum cf. torvum Swartz 27. Cucurbita pepo L. 28. Hedychium coronarium Koenig 29. Cassia polyantha Moc. & Sesse 30. Bixa orellana L. 31. Petastoma patelliferum (Schlecht.) Niers. (= Bignonia patelliferum Schlecht.) 32. Warscewiczia coccinea (Vahl) Kl. 33. Arrabidaea sp. 34. Muntingia calabura L. 35. Hackelia guatemalensis Brand 36. Hackelia guatemalensis Brand 37. Digitalis purpurea L. 38. no specimen; this named as Thevetia peruviana in Arnold's catalog 39. no specimen; this named as Bignoniaceae in Arnold's catalog 40. no specimen; this named as Duranta repens in Arnold's catalog 41. no specimen 42. Antigonon leptopus 43. Salvia leucantha Cav. 44. Solanum cf. mitlense Dunal in DC. 45. Stachys costaricensis Briq. 46. Crotalaria vitellina Ker. 47. Thunbergia erecta (Benth.) T. Anders. 48. Asclepias curassavica L. 49. Solanum cf. torvum Swartz 50. Citrus aurantifolia Swingle 51. Xylosma ellipticum Hemsl. 52. Croton gossypiifolius Vahl 53. Conostegia xalapensis (Bonpl.) D. Don 54. Cuphea cartaginensis (Jacq.) Macbr. Det. R. C. Bacigalupi, 1965