36 BRITTON: STUDIES OF WeEsT INDIAN PLANTS—XI 
the lower surface rather inconspicuous; pene Scar 
slender, longer than the leaves; achenes elliptic, 1 g 
Sierra Maestra, Oriente (Léon ro815). 
Pilea micromeriaefolia Britton & Wilson, sp. nov. 
Stems elongate, woody, procumbent, the branches erect or 
ascending, 4-angled, scaly encrusted. Leaves in whorls of 3’s 
or 4's, lanceolate, 0.8-1 cm. long, about 2 mm. pale acute at 
the apex, obtuse at the base, glabrous, the petioles 1 mm. long 
or less; upper leaf-surfaces covered with Teves ~raphides, those 
on the ‘lower surface coarser; inflorescence not s 
Brecha de Regino, Estribo Turquino, Foe ae T1008). 
Pilea yarensis Britton & Wilson, sp. nov. 
ect monoecious herb, 2-3.5 dm. high. Leaves mem- 
y 
ide, wit 
papillose, densely covered with linear raphides, those of the 
lower surface often indistinct; staminate inflorescence equalling 
or longer than Ana leaves, the peduncles sometimes 1 dm. long, 
the branches spreading, the perianth about 1.5 mm. long; 
pistillate fee aegis a ee ing or shorter than the leaves; 
achenes elliptic, 0.8 mm. lon 
Bank of the Yara River, ea Maestra, Oriente (Léon 10736). 
Pilea ermitensis Britton, sp. nov. 
Stems slender, densely covered with linear raphides. Leaves 
oblong, oblong-lanceolate or elliptic, membranous, acute, entire, 
3-nerved, glabrous, those of each pair unequal in size; larger 
leaves up to 3 cm. long, 6-7 mm. wide, with petioles 3 mm. lon 
smaller leaves I-1.7 cm. long, 4—5 mm. wide, the inks short: 
raphides of the upper eak-eetfase minute, linear-filiform, those 
of the lower surface scattered, more c conspicuous ott ie 
inflorescence ra shorter than the petioles, the flowers borne 
in I.5-2 mm. in diameter; achenes Teoh ataty 
about 0.5 mm. seg 
La Ermita, Oriente (Hioram 4921). 
Pilea crenata Britton & Wilson, sp. nov. 
Stem creeping, often rooting at the nodes, the branches erect 
or ascending, pilose. Leaves chartaceous, oval to suborbicular, 
