74 FLORA OF JAMAICA Pilea 



27. P. dauciodora var. parvifolia Wedd. in DC. Prodr. xvi. 

 pt. 1, 139 (1869); monoecious, glabrous, stems slender, rooting; 

 leaves small, roundish-ovate, base rounded, 3-nerved, serrate 

 in the upper half ; stipules very small, triangular, persistent ; 

 cymes androgynous, small, consisting of a few clusters, long- 

 stalked, exceeding the leaf. — Urh. Sifmh. Ant. v. 311, under 

 ohs. a. (PI. 3, f. 13.) Type at Munich. 



Springfield, Wullschlaegel, 1014 ! 



Leaves 5-13 mm. 1., 3-11 mm. br. ; nerves extending to the upper third 

 of the limb ; cystoliths fusiform-linear ; petiole as long as or shorter than 

 the limb. Male perianth globose-pyriform 1 mm. 1. ; dorsal appendage 

 mucronate. Achene ovate "7 mm. 1., median segment barely "6 mm. 1., 

 double the length of lateral. (Material very scanty.) 



28. F.sessili^OTSiWedd. Monogr.2i2{185Q) ; glabrous; leaves 

 elliptical or narrowly elliptical, in each pair equal or often very 

 unequal, narrowed at apex and base, acute, serrulate on the 

 upper half or third, triplinerved, basal nerves not reaching apex ; 

 stipules short, triangular ; cymes small, shortly stalked, much 

 shorter than the petiole; peduncle winged. — Griseh. op. cit. 157 ; 

 Wedd. in DC. Prodr. xvi. pt. \, 147. Urtica sessiliflora Sw. in 

 Vet. Handl. Stochh. vi. 33 (1785) & Fl. Ind. Occ. 321. (PI. 3, 

 f. 14.) 



Swartz ! Manchester, Purdie ! Springfield, Wullschlaegel, 1020 ! Wilson ! 

 Battersea Woods, near Christiana, 3000 ft., Harris I Fl. Jam. 8266. — 

 Colombia. 



Stem erect or creeping below, simple or branched at base, 2-3 dm. high, 

 the lower part leafless, with small round brownish scales on surface. 

 Leaves 3-8 cm. 1., -5-5 cm. br., smaller leaves, some as short as 1 cm.; 

 cystoliths very small, fusiform and punctiform on upper surface ; petiole 

 of larger leaf variable in length, 1*5-3 cm. 1. Stipules 1*5 mm. 1. Female 

 fioivers pedicellate or sessile. Achene 1*5 mm. 1., obliquely ovate, a little 

 longer than the perianth, lateral segments ovate, about half as long as 

 median segment, which has a short, pointed dorsal appendage. Male 

 flowers not seen. 



29. p. impressa Urh. Symh. Ant. v. 314 (1907); dioecious, 

 herbaceous, rooting below ; stem simple or slightly branched, 

 glabrous ; stipules semilunar to shortly triangular, persistent ; 

 leaves of each pair equal or unequal, the larger ovate or ovate- 

 elliptical, base rounded subemarginate, subacuminate, 3-nerved, 

 or triplinerved, nerves extending two-thirds length of limb, 

 glabrous, dentate in the upper ^-f ; cymes (male only seen) 

 capitate, much shorter than the leaves. (PI. 3, f. 15.) 



In damp forest N.W. slope of Dolphin Head, 1400 ft., Harris ! Fl. Jam. 

 9271. 



Stems 2-3 dm. high, etout, with small, round, brownish scales on 

 surface. Stipules 1-1-5 mm. 1. Leaves glandular-dotted beneath, the 

 larger 5-8 cm. 1., 2-5-4 cm. br., with petioles 1-5-3 cm. 1., the smaller 

 with shorter petioles ; cystoliths on both sides punctiform and somewhat 

 prominent. Cymes densely many-flowered, 1-1-5 cm. in diam. ; peduncle 



