Pilea URTICACE^ 73 



ovate, acuminate, base obtuse or rounded, crenate-serrate ; stipules 

 elliptical, deciduous ; cymes paniculate densely many-flowered ; 

 dorsal appendages of the male perianth patent. (PI. 2, f. 5.) 



Hills near Bulstrode, Westmoreland; in fl. March; Mrs. Elizabeth G. 

 Britton, 2876 ! 



Leaves 1 dm. or less, 3-6 cm. br., nerves produced nearly to the apex, 

 with numerous dark sunken glands on the lower face following the course 

 of the veins, margin less coarsely serrate than in P. grandifolia ; cystoliths 

 on upper surface very unequal, fusiform or punctiform, beneath subequal, 

 linear, smaller and more frequent. Stipules 1 cm. 1. Cymes (including 

 the peduncle) shorter than the leaves, 2-5-6 cm. 1. Male periantJi globose, 

 1*2 mm. 1., with patent thick appendages, "2 mm. 1. 



25, P. appendicilata Fawc. d- Hendle in Journ. Bot. 1. 179 

 (1912) ; monoecious, leaves stalked, ovate, acuminate, more or 

 less cordate, margin crenate-serrate with large teeth, 3-nerved, 

 glabrous on upper surface, more or less pilose beneath, especially 

 on the nerves ; stipules rather large, bluntly and broadly ovate, 

 deciduous; cymes, male forming several dense clusters at end of 

 a long peduncle ; female much shorter, in the same leaf-axil as 

 male ; male flower, dorsal appendages broad and flat. (PL 2, f . 6). 



In shady places near river ; infi, Feb. ; Leicesterfield, Upper Clarendon, 

 1800 ft. ; Harris ! Fl. Jam. 10,8i3. 



Stem to 3 ft. high. Leaves 7-12 cm. 1., 5-7 cm. br., nerves produced 

 nearly to apex ; cystoliths on upper surface numerous, linear, smaller 

 beneath ; petiole 2-5 cm. 1, Stijyules 1 cm. 1, Cymes, male, peduncle to 

 7 cm. 1. ; flower-heads white, each 6-8 mm. in diam. ; perianth (with 

 appendages) about 2 mm. 1., with pedicel of equal length, ellipsoidal- 

 globose, segments coherent below, dorsal appendages roundish-elliptical 

 about half the length of the perianth. Female cymes, peduncle to 

 1 cm. 1., glabrous; flowers '5 mm. 1., sessile and subsessile, perianth- 

 segments subequal and coherent in the greater part of their length. 



26. P. brevistipula Urh. Stjmh. Ant. vi. 6 (1909); herb, 

 monoecious ; stems at apex minutely puberulous ; leaves of 

 each pair unequal, stalked, the larger shortly ovate to elliptical, 

 base rounded or obtuse, apex generally obtuse, crenate in the 

 upper half, 3-nerved or triplinerved, glabrous ; stipules short, 

 semilunar ; cymes long-stalked, subpaniculate, androgynous, 

 clusters dense-flowered. (PI. 3, f. 12. 



In crevices of rocks ; between Black Kiver and New Market, 150 ft. ; 

 Harris \ Fl. Jam. 9905. 



Stems ascending, rooting below, 10-15 cm. 1., simple or slightly 

 branched. Stipules -5-1 mm. 1. Leaves, the larger 3-4 cm. 1., 1*5-3 cm. 

 br. petiole 3-15 mm. 1., the two lateral nerves produced to the upper 

 th.rd; cystoliths linear, conspicuous on upper surface. In/7or(?sct'?icc soli- 

 tary in the axils of the upper leaves. Male flowers subsessile ; perianth 

 globulose-pyriforni light-coloured, cohering to middle, 1 mm. 1. ; dorsal 

 appendages short, bluntly triangular, of one pair broader than the other. 

 Fc??irtZcyZo2rers sessile or subsessile, twice as long as the lateral. AcJiene 

 elhptical, -6 mm. 1., pale yellow; median segment '6 mm. 1., dorsal 

 appendage tuberculatc. 



