140 CONTRIBUTIONS FROM THE NATIONAL HERBARIUM. 
Hill and Stahl (?) as a coffee shade tree in Porto Rico. According to Urban, the — 
true HL. umbrosa is not yet known from any of the West Indies, such references — 
pertaining to H. micropteryx. (Urban, Symb. 1: 327.) 
Erythroxylon brevipes. JIBA. 
Family Erythroxylaceae; a shrub, 2 to3 meters high, found in sandy places near 
the sea. Urban reports the form intermedia from Fajardo. (Stahl, 2: 136.) 
Krythroxylon havanense. See Hrythroxylon ovatwm. 
Krythroxylon obovatum. JIBA. 
A shrubby tree, 12 feet (4 meters) high, on limestone hills near the sea at 
Veja-baja and Aricebo. (Stahl, 2: 138.) 
Escambron. See Pisonia aculeata. 
Escambron blanco. See Clerodendron aculeatum. 
A simple-leaved spiny plant, collected about the large cacti near Guayanilla. 
Escambron colorado. 
A name applied to Pithecolobium unguis-cati at Guayanilla. 
Escoba. See Sida carpinifolia. 
EKscoba acorazanada. See Sida cordifolia, 
Escoba babosa. See Bastardia bivalvis. 
Escoba blanca. See Sida carpinifolia. 
Escoba colorada. See Sida rhombifolia. 
At Catano this name was also applied to a small species of Croton (no. 960). 
Escoba de Jamaica. See Sida jamaicensis. 
Escoba dulce. See Sida ulmifolia. 
Escoba pestafiosa. See Sida ciliaris. 
Escoba purpurina. See Sida purpurea. 
Escoba tendida. See Sida supina. 
Escobillon. See Pterocaulon virgatum. 
Escobita dulce. See Sida ulmifolia. 
Escorzonera. See Craniolaria annua and Martynia diandra. 
Espejuelo. See Sarcomphalus reticulatus. 
A tree from all parts of the island; height. 30 to 35 feet (9 to 11 meters); diam- 
eter, 10 to 12 inches (25 to 30 centimeters). Wood yellow. very hard; specific gray- 
ity, 1.299; used for cabinetwork. (Exp. 1857.) 
The strong yellow wood is used for shelves and fences. (Grosourdy, 2: 382.) 
Espejuelo amarillo. 
A tree from the northeastern part of the island; height, 40 to 50 feet (12 to 15 
meters); diameter, 12 to 15inches (30 to 37 centimeters). Wood yellow, very hard; 
specific gravity, 1.050; used for cabinetwork. (Exp. 1857.) (Grosourdy, 2: 382.) 
Espejuelo bobo. 
A thick-barked tree, not of very large size: found occasionally in the hills; 
specific gravity, 1.08. (Hansard.) 
Espiga de San Antonia. See Buchnera elongata. 
Espinillo. 
A tree from all partsof the island; height, 35 to 40 feet; diameter, 12 to 15 inches. 
Wood greenish, very hard; specific gravity, 1.114; used for cabinetwork. Also— 
called ‘‘huso.”? (Exp. 1857.) (Grosourdy, 2: 382.) 
Captain Hansard gives this wood, which indicates that the tree occurs in the 
Luquillo region; specific gravity, 1.10. Aspiny tree, similar to Randia aculeata, 
bears this name in the vicinity of Vega Baja, but our specimen (no. 1028) is — 
stirile and has not been identified. § 
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