122 MEMOIRS OF THE NEW YORK BOTANICAL GARDEN [VOL. 10 



Fig. 59. Pleurothyrium cowaniana (Maguire, Cowan 4" Wurdack 29830). Z, habit, flower- 

 ing branchlet, X 0.5. Zb, flower, x 5. Zc, tepal, ser I, ventral, X 10. Zd', tepal, ser II, dorsal, 

 X 10. Ze, stamen, ser I & II, ventral, X 10. Ze', stamen, ser I & II, dorsal, X 10. Ze", stamen, 

 ser I & II, lateral, X 10. Zf, stamen, ser III, ventral, Zf, stamen, ser III, dorsal, X 10. Zh, 

 ovary, X 10. 



rioribus angustioribus, intus papillosis, ad 2.2 mm longis, tubo ad 1.5 mm longo; 

 staminibus pubescentibus, filamentis latis saepe antheris indistinctis, ser I & II 

 ad 1 mm longis, incurvatis, antheris subemarginatis quam filamentis leviter 

 latioribus, locellis superioribus introrsis, inferioribus lateralibus, filamentis 

 biglandulosis, glandulis quam antheris longioribus, saepe stipitatis, gynoecio 

 ellipsoideo glabro ad 2.2 mm longo quam stylo robusto duplo longiore, stigmate 

 magno papilloso subtriangulari. Infructescentia fructusque ignoti. 



Type. Small tree to 10 m, flowers cream-white, in montane forest near Inter- 

 mediate Camp, Cerro Huachamacari, Rio Cunucunuma, Amazonas, Venezuela, 

 1200 m, 4 Dee 1950, Bassett Maguire, B. S. Cowan & John J. Wurdack 29830 

 (holotype, fl.NY). 



Distribution. Known only from the type locality. 



The species resembles somewhat the Nectandra described by Dr. T. Lasser 

 from Rancho Grande in northern Venezuela — probably a species of Pleuro- 



