1955] 



PLANTS COLLECTED IN ECUADOR 



161 



Piper augustum Rudge, Fl. Guian. Rar. 1: 10. pL 7. 1805. 



SANTIAGOZAMORA ("Oriente"): Cordillera Cutucu, ca 2° 40' S, 78° W, ridge as- 

 cending into Cutucu, 900 m, Nov 17-Dec 5, 1944, E-1095; 840 ra, E-1118 (sterile, leaves 

 smaller than typical); ridge between the Itzintza and Chupiasa, 1050-1200 m, Nov 17— Dec 

 5, 1944, E-1257, E-1260, E-1261; junction of Rios Itzintza and Chupiasa, 1050 m, Nov 

 17-Dec 5, 1944, E-1397; above Rio Upano, near junction with Paute, near Mendez, 525- 

 750 m, Nov 13, 1944, E-962. 



Piper grande Vahl var. puberulentum Yuncker, var. nov. 



Frutex; foliis rhomboideo-ovatis, a tertio supero deorsum venosis, subtus ad 

 venas puberulis. 



Shrub; upper internodes puberulent; leaves rhomboidal-ovate, the nerves be- 

 neath puberulent, pinnately nerved in the lower half or two-thirds. 



CHIMBORAZO: canon of the Rio Chanchan, about 5 km north of Huigra (moist forested 

 valleys in the afternoon fog-belt), 1500-1950 m, May 19-28, 1945, E-3319 (TYPE). 



This specimen is just coming into flower. Except for the characters indicated 

 it closely resembles the species. 



B — Leaves Peltate 



Piper albert-smithii Trel. & Yun. Pip. North. S. Am. 414. F, 377. 1950. 



SANT I AGO-Z AMOR A C'Oriente"): Cordillera Cutucu, junction of Ri'os Itzintza and 

 Chupiasa, ca 2° 40' S, 78 W, 1050 m, Nov 17-Dec 5, 1944, E-1401, E-1408. 



This species was previously known only from near El Roble, Santander, Co- 

 lombia, the type locality. 



Piper sp. 



SANTIAGO-ZAMORA ("Oriente"): Cordillera Cutucu, ca 2° 40' S, 78° W, ridge just 

 south and. west of Rio Itzintza, 1350-1650 m, Nov 17-Dec 5, 1944, E-1319. 



This specimen is sterile. In general, it resembles P. cochleatum Sodiro, but 

 differs in its smaller leaves and puberulent nerves. 



Piper sp. 



GUAYAS: coastal plain, in the vicinity of Naranjito, ca 36 m, June 6-7, 1945, E-3619. 

 Sterile and unidentifiable. 



POTHOMORPHE Miq. 



Pothomorphe peltata (L.) Miq. Comm. Phyt. 37. 1840. 



GUAYAS: coastal plain, in the vicinity of Naranjito, ca 36 m, June 6-7, 1945, 

 E-3552. 



EL ORO: in Moro-Moro region, about 21 miles west of Portovelo, in dense rain-forest, 

 1020-1260 m, Oct 7, 1944, E-641. 



PEPEROMIA R. & P. 



A — Spikes Solitary or Few, on a Common Stalk, scarcely Paniculate 

 B — Leaves scarcely Peltate 

 C — Fruit essentially Sessile 

 D — Fruit Apically more or less Mammiform or Stylose; 

 Stigmas Apical or Subapical 

 E — Fruit Lacking a Pseudocupule; Leaves mostly Alternate 



Peperomia clivigaudens Yuncker, sp. nov. 



Herba conferte minute hirtula; foliis alternis rotundato-ovatis, apice rotund- 

 atis vel subacutis, basi rotundato-cordulatis, 11-plinerviis, supra glabris; spicis 

 nonnumquam solitariis vel pro more binis pluribusve in panicula elongata 

 bracteatis dispositis; drupa globoso-ovoidea apice obtuse obliqua. 



