1466 CXIX. URTICACEiE. [FicKt. 



Leaves more coriaceous, obtuse or shortly and obtusely acuminate, 

 rarely under Sin. long. ' 



Beceptacles pedunculate. 



Leaves softly pubescent underneath. Eeceptaeles villous, scarcely 



umbonate .... . 12. i*". hiicotricha. 



Beceptacles sessile or on very short or long thick peduncles. 

 Leaves mostly 3 to 4in. long. 



Leaves ferruginous underneath when young 13. F. rvbiginosa. 



Leaves glabrous or minutely pubescent and pale 14. F. platypoda. 



Leaves glabrous, with very short petioles and very prominent 



veins (doubtful species) 15. F. dictyophleba. 



Leaves mostly 6 to lOin. long, glabrous, brown on the underside 16. F. macrophylla. 

 Leaves 6 or more inches long, green on both sides. Beceptacles 



IJin. long, umbonate 17. P. Walkinsiana. 



Sect. 2. EuBjrce. — Male perianth of o or 6 lobes or segments, rarely reduced to 1. Stamens 

 1, 2 or more; anther-cells distinct. Female perianth i-6-nierous. Stigma (in the Austrahan 

 species) tindivided, peltate, oblique or oblong. Leaves alternate or opposite, entire, toothed 

 or lobed, often deciduous. Beeeptacles axillary oi- on the old u-ood. 



Leaves smooth, at least on the upper side, or scarcely scabrous. 

 Leaves large (^ to l^ft.). glabrous. Stigma not peltate. 

 Leaves obovateoblong or elliptical. Stipules narrow, rigid. Stigma 



obtuse, scarcely thickened W. F. magnifolia. 



Leaves cordate-ovate Stipules membranous. Stigma oblong, thick 19. F. ehretioides. 

 Leaves under Gin. long. 



Stipules and young shoots silky-hairy or hoary. Stigma oblique, 



lanceolate. 

 Stems climbing. Leaves ovate-oblong, 2 to 4in. long. Beceptacles 



globose, Jin. diameter 20. F. scandens. 



var. ausiralis. 

 Quite glabrous. Leaves elliptical of oblong-ovate. 

 Petioles slender, 2 to 3 lines long. Leaves prominently reticulate 



underneath. Stigma oblique ; . 21. F. lepteclada. 



Petioles Jin. long. Leaves with scarcely conspicuous veinlets. 



Style short. Stigma peltate 22. F. depressa. 



Adult leaves glabrous, from 4 to lOin. long. Petioles stout, about Sin. 



long. Beceptacles verrucose, orange-red, no basal bracts . . . .23.^. suhulata. 

 Quite glabrous. Leaves 3 to Sin. long. Distinctly jointed with the 

 petiole. Petiole slender, 1^ to 2in. long. Beceptacles sessile, 



globose, Jin. diameter 24. F. infectoria. 



Petioles thick, under 3 lines. Stigma peltate. Male perianth of 1 



narrow segment 2o. F. philippinensis. 



Underside of the leaves and receptacles softly villous. Stigma 



peltate 26. F. mollior. 



Leaves very sqabrous. 

 Beceptacles unisexual, the males oblong-cylindrical, the females ovoid 



or globose. Leaves opposite or alternate . 27. F. stenocarpa. 



Beceptacles androgynous, ovoid or globose. 

 Leaves all alternate, pubescent or villous underneath. Beceptacles 



villous, the orifice broad with exserted bracts 28. F. scabra. 



Leaves frequently opposite. Eeceptacle globular, glabrous or rarely 



pubescent. 

 Leaves mostly glaucous, rigid, ovate or orbicular, the margins 

 aculeate. 



Branches glabrous 29. F. orbicularis. 



Branches hirsute or pubescent 30. F. aculeata. 



Branches slightly tomentose. Leaves ovate. Beceptacles : Males 



cylindric-ovate, females spherical urceolate-globose 31. F. subglabra. 



Branches slender glabrous. Leaves lanceolate with often long 

 points. Beceptacles 2 to 4 lines on peduncles of about the 



same length .... 32. F. Pinkiana. 



Leaves entire or sinuate-crenulate, not aculeate, on the flowering 



branches ovate, 2 to Sin. long, petioles i to lin 33. F. opposita. 



Leaves of the flowering branches obovate, 2 to Sin. long, petioles 



very short 34, F. scobina. 



Sect. 3. Covellla. — Male perianth of 3 or 4 broad segments enveloping each other, enclosing 

 1 large anther with distinct cells. Female perianth very small or more rarely exceeding the 

 stipes of the ovary. Style glabrous, short, with a peltate or oblique stigma. Leaves usvally large. 

 Stipular scar prominent. Receptacles chiefly on the old ii)oo4. 



