214 CONTRIBUTIONS FROM THE NATIONAL HERBARIUM. 
Pavonia spinifex. CADILLO ESPINOSO. 
An annual or biennial shrub, 1 to 2 meters high. found on mountains and in 
shaded places. (Stahl, 2: 83.) 
Pavonia typhalea. CADILLO PEQUEQUE. 
A shrubby annual, growing in shaded wet places. The small white flowers are 
collected in a head and give an appearance quite different from related members 
of the Malvaceae. Specimens collected at El Rio were called ‘‘anamu’”’ and. 
were reputed a remedy for chigoes. (Stahl, 2: 81.) 
Paw paw. See Carica papaya. 
Peanut. See Arachis hypogea. 
Pectis humifusa. YERBA DE SAN JUAN. 
A woody annual composite from sandy seashores. (Stahl, 5: 145.) 
Pectis serpyllifolia. See Pectis humifusa. 
Pedilanthus tithymaloides. . 
A peculiar fleshy Euphorbiaceous plant, with an irregular wing along the midrib 
on the lower side of the leaves. Frequently planted for hedges. 
Pegadora. See Mentzelia aspera. 
Pega-palma. See Marcgravia wmbellata. 
Pega-pega. 
This name meaning * stick-stick,’’ like our * stick-tight,”’ is probably applied 
to several seeds adapted for attaching themselves to one’s clothes, as ‘* pica-pica ”’ 
is used for many spiny plants. 
At Santurce Priva echinata and Aeschynomene americana were called ‘* pega- 
pega.”’ 
Pega-palo. See Bignonia wiguis-cati. 
Pega pollo. See Boerhavia scandens. 
Pegoge. See Tabernaemontana citrifolia. 
Peireskia. 
Family Cactaceae; a thick, spiny shrub or small tree, valuable mostly as a stock 
on which to graft the various cacti. Known from specimens collected by Sintenis 
at Penuelas, where it was cultivated in gardens. 
Penaejuelo. 
A tree from the northeastern part of the island; height, 45 to 50 feet (13 to 15 
meters); diameter, 15 to 20 inches (37 to 50 centimeters). Wood, ash-colored; 
rather hard; specific gravity, 0.810; used for lumber. (Exp. 1857.) 
Pendejuelo. 
Evidently the same as Penaejuelo. 
A wild tree, 50 feet (15 meters) high, with a trunk reaching a diameter of 18. 
inches (45 centimeters). Furnishes an ash-colored wood that breaks with an 
oblique fracture. Its common use is for lumber used in building crude houses. 
(Grousourdy, 2: 408.) 
Péndola. See Citharexylum quadrangulare. 
Péndula. 
A tree from the eastern part of the island; height, 45 to 50 feet (13 to 15 meters) ; 
diameter 15 to 20 inches (37 to 50 centimeters). Wood. yellow, hard; specific 
gravity, 0.942; used for lumber. (Exp. 1857.) 
A large tree, trunk rather short; wood very hard, making most excellent 
boards and posts. A very valuable wood with a specific gravity of 0.84. (Captain 
Hansard. ) 
Péndulo blanco. See Vitex divaricata. 


Pendulo colorado. See Citharexylum quadrangulare. 
