66 FLORA OF JAMAICA Pilea 



truncate ; cymes small, subsessile, shorter than the petiole ; 

 segments of female perianth subequal ; achene roundish-ovate. 

 (PI. 1, B, f. 7.) 



Union Hill, near Moneague, Prioi- ! Union Hill, Britton, 2813 ! 



Branches virgate (slender, straight, erect), covered with minute cysto- 

 liths. Leaves at each node subequal, 1-2-2 cm. br., with very small 

 punctiform cystoliths on both sides ; petioles at each node sometimes very 

 imequal, •8-2-8 cm. 1. Female floivers stalked, pedicels 1-2 mm. 1. 

 Achene roundish-ovate, '8 mm. 1., median segment -8 mm. 1., dorsal 

 appendage tuberculate, lateral segments apiculate, a little shorter than the 

 median segment. 



8. P. alpestPis .tp. nov. ; dioecious, shrubby, branches glabrous, 

 except for the cilia between the petioles, or with very few short 

 hairs ; leaves of the same pair equal or unequal ; limbs ovate- 

 elliptical to narrowly elliptical, more or less acuminate, base 

 obtuse, 1-2 cm. 1., -5- "8 cm.br.; cystoliths on upper surface 

 minute, prominent, conspicuous, underneath minute, somewhat 

 conspicuous ; petioles 5-2 mm. 1. ; stipules triangular-acuminate, 

 about 1 mm. 1.; inflorescence '5-1 cm. 1., male bearing 1-3 

 clusters, female more lax ; segments of female perianth subequal ; 

 achenes • 7 mm. 1. — P. Parietaria var. alpestris Urh. Symb. Ant. i. 

 295 (1899). (PI. 1, B, f. 8.) 



Blue Mt. Peak, about 7200 ft., Harris 1 Fl. Jam. 5273, 5424 ; Hansen. 



A low, much branched shrub, growing in patches and forming a dense 

 undergrowth in the forest. 



Male perianth '5 mm. 1., stalked, pedicels to '7 mm. 1.; segments 

 separate to base, dorsal appendage continuous with segment and equal 

 in length. Female flowers, median segment with small conical dorsal 

 appendage, lateral long acuminate. 



9. P. Weddellii Fawc. d Bendle in Journ. BoL Z. 177 (1912) ; 

 monoecious, somewhat shrubby ; stem ascending, simple or 

 branched, glabrous ; leaves of the same pair of unequal size, 

 elliptical or narrowly elliptical, shortly or long acuminate, acute, 

 base emarginate, entire, 3-nerved, glabrous on both sides or 

 sparsely pilose on upper surface, pubescent on nerves beneath, 

 margin glabrous or sparsely ciliate ; cystoliths on both surfaces 

 minute (above prominent and conspicuous, beneath inconspicuous) ; 

 stipules deciduous, short, semilunar ; cymes paniculate, andro- 

 gynous ; peduncle shorter than the petiole, sometimes a little 

 longer ; lateral segments of female perianth one-half to one-third 

 as long as the median. — P. ciliaris var. Rivorite Wedd. in DC. 

 Prodr. xvi.pt. I, 114 (1869) (in part). P. Parietaria Griseh. op. 

 cit. 156 (as regards the Jamaican specimens). (PI. 2, f. 2.) 



Wright 1 Masson I Swartz 1 Bancroft ! McNab ! Bath, Purdie ! Wilson t 

 Blue ma., Priori J.P. lUl, Morris \ Catherine's Peak, 4000 ft., Eggersl 

 Portland .Gap, 5500 ft.; near Morse's Gap, 4800 ft.; Harris \ FI. Jam. 

 6426, 7351. 



Stem to 9 dm. high. Leaves l'5-7"5 cm. 1., 1-2-5 cm. br. Stipules 

 -5-1 mm. 1. Cymes 1 or 2 in axils, rose-coloured. Male bud -75 mm. 1., 



