210 CONTRIBUTIONS FROM THE NATIONAL HERBARIUM. 
Palo de hierro. See Ixora ferrea, Sarcomphalus reticulatus, and Seutia ferrea, — 
Captain Hansard gives the specific gravity of this wood as 1.07. : 
Palo de hoz. See Drepanocarpus lunatus. . 
“Palo de hueso. See Ilex nitida, Linociera compacta, and Mayepea domingensis. _ 
Palo de jaqueca. See Thespesia populned. | 
Palo de Maria. See Calophyllum calaba. 
Palo de matos. See Ormosia dasycarpa and O. krugit. 
Palo de multa. See Hugenia ligustrina. 
Palo de mufieca. See Cordia borinquensis and Rauwolfia nitida. 
Palo de nispero cimarron. See Symplocos lanata. 
Palo de oreja. See Cassipourea elliptica. 
Palo de pan cimarron. See Bocconia frutescens. 
Palo de perico. See Cordia ulmifolia. 
Palo de peronias. See Adenanthera pavonina. 
Palo de pollo. See Pterocarpus draco. 
Palo de ramon. See Banara portoricensis. 
Palo de rayo. See Parkinsonia aculeata. 
Palo de toro. See Faramea odoratissima. 
Palo de vaca. See Gilibertia laurifolia. 
Palo de geringa. See Moringa moringa. 
Palo hediondo. See Lonchocarpus latifolius. 
Palo hueso. 
A tree from the northeastern part of the island; height, 35 to 40 feet (11 to 12 
meters); diameter, 20 to 25 inches (50 to 62 centimeters). Wood olive green, 
hard; specific gravity 1.029; used in making shelves. (Exp. 1857.) 
Grousourdy (2: 407) describes the wood as dirty white, and says that it is used 
for fuel and the framework of rude houses. 
Palo llorén. See Antirrhoea lucida and Malanea macrophylla. 
Palo moro. See Psychotria. 
This name is applied to numerous species of this very large genus of Rubiaceae. 
Palo pollo. See Pterocarpus draco. 
A tree from the swampy parts of the island; height, 35 to 40 feet (11 to 12 
meters); diameter, 20 to 25 inches (50 to 62 centimeters). Wood white, soft; 
specific gravity 0.614; not used. (Exp. 1857.) 
Grows to a considerable height and attains great thickness; very irregular at 
base; wood used for handles for machetes and pans for gold miners; texture hard 
and solid. 
Palo puerco. 
Captain Hangard gives a specific gravity of 0.87 for this wood, but says that he 
does not know the tree. 
Palo punz. 
A tree from all parts of the island; height, 25 to 30 feet (8 to 9 meters) ; diameter, 
10 to 12 inches (25 to 30 centimeters). Wood ash-colored. soft; specific gravity 
0.725; used in building houses. Also called ‘‘ palo santo.’ (Exp. 1857.) 
Palo rosa. 
A tree from the island of Vieques; height, 25 to 30 feet (7 to 9 meters) ; diameter, 
15 to 20 inches (37 to 50 centimeters). Wood pinkish, hard: specific gravity, 0.994; 
used in building houses. (Exp. 1857.) 

