1390 COXTEIBUTIONS FROM THE NATIONAL HERBARIUM 



Psychotria aureola Bartl.,' P. jusHcioides Schlecht.,^ and P. bracteolata Mart. & 

 Gal.^ all appear to be closely related to this species, judging from descriptions. 



10. Psychotria chiapensis Standi., sp. nov. 



Type from Finca Mexiquito, Chiapas {Purpus 6963; U. S. Nat. Herb. no. 

 567237). 



Branchlets obscurely villosulous or glabrate; stipules green, persistent, 3 to 4 

 mm. long, bilobate, the lobes broad, obtuse; leaves petiolate, oblong-elliptic, 

 11.5 to 23 cm. long, 5 to 10 cm. wide, short-acuminate, acute at base, thin, 

 glabrous; cj^mes pedunculate or sessile, trichotomous, 5 to 7 cm. broad, many- 

 flowered, the flowers sessile, the bracts broad, rounded at apex; calyx limb 

 5 to 6 mm. long, puberulent, denticulate; corolla in bud 1.5 cm. long, nearly 

 glabrous. 



11. Psychotria involucrata Swartz, Prodr. Veg. Ind. Occ. 45. 1788. 

 Veracruz. West Indies; Central and South America. 



Shrub, glabrous nearly throughout; leaves petiolate, ovate or elliptic, 8 to 14 

 cm. long, acuminate, acute at base; inflorescence at first dense and headlike, 

 pedunculate, in age branched; fruit 3 to 4 mm. long, sharply costate. 



12. Psychotria patens Swartz, Prodr. Veg. Ind. Occ. 45. 1788. 

 Psychotria flexuosa Willd. Sp. PI. 1: 966. 1798. 



Chiapas. Greater Antilles; Central America to Bolivia. 



Shrub, 1 to 2 meters high, nearly glabrous; leaves short-i)etiolate, lanceolate 

 to elliptic, 5 to 14 cm. long, usually long-acuminate; panicles long-pedunculate, 

 narrow and thyrsiform; corolla white, 5 to 8 mm. long; fruit blue or black, 3 to 

 5 mm. broad. 



13. Psychotria cuspidata Bredemeyer; Roem. & Schult. Syst. Veg. 5: 192. 

 1819. 



Oaxaca, Chiapas, and Tabasco. Cuba; Central America to Brazil. 



Slender shrub, nearly glabrous; leaves petiolate, ovate to elliptic or oblong- 

 lanceolate, 7 to 18 cm. long, usually cuspidate-acuminate, acute or obtuse at 

 base, thin, lustrous; panicles small, 1 to 3 cm. broad; corolla about 4 mm. long; 

 fruit didymous, 4 mm. broad. 



14. Psychotria oerstediana Standi. 



Mapouria ohovata Oerst. Amer. Centr. 17. pi. 14, J- 3, 4. 1863. 



Psi/c/!o<ria oboyaia Hemsl. Biol. Centr. Amer. Bot. 2: 50. 1881. Not P. obovata 

 Ruiz & Pav. 1799. 



Veracruz. 



Shrub, 1 to 1.5 meters high; leaves short-petiolate, 6 to 13 cm. long, rounded 

 to short-acuminate at apex, cuneate at base, pale green; inflorescence short and 

 dense at anthesis, open in fruit, sessile or nearly so; corolla about 5 mm. long; 

 fruit glabrous. 



15. Psychotria trichotoma Mart. & Gal. Bull. Acad. Brux. 11': 227. 1844. 

 Veracruz, Oaxaca, and Chiapas; type from the region of Jalapa and Mirador, 



Veracruz. Guatemala. 



Shrub, 4.5 meters high or less; leaves short-petiolate, 10 to 25 cm. long, usually 

 short-acuminate, acute at base; inflorescence usually large and much branched, 

 puberulent; fruit sometimes 1 cm. long. 



1 DC. Prodr. 4: 513. 1830. 



2 Linnaea 9: 596. 1834. 



» BuU. Acad. Brux. IV: 228. 1844. 



