STANDLEY TKEES AND SHRUBS OF MEXICO. 153 



35. Piper macrophyllum H. B. K. Nov. Gen. & Sp. 1 : 46. 1815. 



Veracruz. Central America, West Indies, and Soutli America ; type from 

 Venezuela. 



Shrub, about 3 meters high ; branchlets glabrous ; leaf blades elliptic-oblong, 

 17 to 24 cm. long, 8 to 12 cm. wide, acuminate ; spikes 4 to 5 cm. long. 



36. Piper aduncum L. Sp. PI. 29. 1753. 



San Luis Potosi to Tepic and Chiapas. Central America. West Indies, and 

 South America ; type from Jamaica. 



Shrub, 2 to 4.5. meters high; branchlets hirsute or glabrate; leaf blades 

 oblong-elliptic, 17 to 20 cm. long, 7 to 8 cm. wide, acuminate. " Cordoncillo '•' 

 (Hidalgo, Veracruz); "cordoncillo bianco" (Hidalgo, Veracruz. Nicaragua); 

 "platanillo" (Cuba) ; " higuillo," " higuillo oloroso " (Porto Rico). 



The plant is said to have astringent, stimulant, and diuretic properties. In 

 Brazil it is used to treat ulcers. 



37. Piper chamissonis (Miquel) Steud. (Norn. Bot. ed. 2. 2: 840. 1841, nomen 

 nudum) ; C. DC. in DC. Prodr. 16': 283. 1869. 



Artanthe chamissonis Miquel, Syst. Piper. 457. 1844. 

 Veracruz and Oaxaca ; type from Hacienda de la I.nguna, Veracruz. 

 Petioles 1 cm. long; leaf blades oblong, 15 cm. long, 7 cm. wide, short-acumi- 

 nate. 



38. Piper jalapense (Miqirel) C. DC. in DC. Prodr. 16': 277. 1869. 

 Artanthe iaJapensis Miquel, Syst. Piper. 444. 1844. 



Veracruz to Oaxaca ; t.vpe from Jalapa, Veracruz. Guatemala. 



Shrub, up to 4.5 meters high ; branchlets densely hirtellous ; petioles 1 to 1.5 

 cm. long; leaf blades ovate-oblong or elliptic-oblong, 13 to 19 cm. long, acumi- 

 nate ; spikes 10 cm. long. 



39. Piper fischerianum C. DC. in DC. Prodr. 16': 277. 1869. 

 IMexico, the locality not known. 



Branchlets glabrous; petioles 1 cm. long; leaf blades lance-ellfptic, 19.5 cm. 

 long, acuminate, appressed-hirtellous beneath along the nerves. 



40. Piper descourtilsianum ' C. DC. in DC. Prodr. 16': 277. 1869. 

 Veracruz ; type from Mirador. 



Branchlets glabrous; leaf blades oblong-elliptic, 15.5 cm. long, long-acumi- 

 nate, glabrous above, puberulent beneath along the nerves. 



41. Piper colipanum C. DC. Linnaea 37: 348. 1873. 

 Veracruz ; type from Colipa. 



Branchlets glabrous ; leaf blades oblong-elliptic, 19 cm. long, glabrous above, 

 puberulent beneath. 



42. Piper misantlense C. DC. in DC. Prodr. 16': 286. 1869. 

 Known only from the type locality, Misantla, Veracruz. 



Branchlets glabrous; leaf blades oblong, 14 cm. long, acuminate, glabrous 

 above, puberulent beneath. 



43. Piper citrifolium Lam. Tabl. Encycl. 1: 80. 1791. 



Veracruz and probably Yucatan. Central America, West Indies, and north- 

 ern South America. 



Branchlets hirtellous; leaf blades elliptic-lanceolate or ovate-lanceolate, 12 to 

 21 cm. long, 5 to 7.5 cm. wide, long-acuminate ; spikes 4 to 5 cm. long. 



'Named for Michael Etienne Descourtilz, a French physician, who spent 

 many years in the West Indies, North America, etc. He published a " Flore 

 medicale des Antilles," in 8 volumes, illustrated by 600 colored plates. 



