138 FLORA OF JAMAICA Pilea 



with a short linear dorsal appendage. Female flowers, segments of perianth 

 subequal. Achene "7 mm. 1., narrowly obovate, granulate. 



12. P. Wilsonii Urh. Symh. Ant. v. 309 (1907); dicecious (?), 

 annual herb, erect or suberect ; stem and branches with spreading 

 red hairs ; stipules ovate or suborbicular, jDersistent ; leaves of 

 each pair unequal, sometimes very unequal, the larger spathulate, 

 apex rounded, below long-attenuated into the short petiole, with 

 about 7 crenatures above and entire below, the smaller sessile or 

 subsessile, obovate, entire or with 3-5 crenatures above, one- 

 nerved, penniveined, glabrous ; cymes pedunculate, small, some- 

 what capitulate. P. lucida Bl. var. cuneifolia Griseh. ojp. cit. 

 156 (1859) (in part). (PI. 3, f. 2.) 



Elm Wood Estate (fide Urban), Wilson ! 



Siews4-7cm. high. Stijniles 8-1 '2 mm. 1. Leaves la.icgev, 6-1-4: cm..!., 

 4-"7 cm. br., petiole 4-2 mm. 1., smaller 2-5 mm. 1., 2-4 mm. br. ; 

 cystoliths linear, underneath smaller and more numerous. Peduncle 

 6-7 mm. 1. Achene elliptical, "8 mm. 1., smooth; median segment nearly 

 as long as achene, lateral segment "5 mm. 1. 



13. P. rufa Wedd. in Ann. Sc. Nat. ser. 3, xviii. 220 (1852); 

 moncecious ; branches hirsute ; leaves of the same pair of unequal 

 size, the larger elliptical-ovate, sometimes narrowing upwards, 

 stalked, the other much smaller, subsessile, roundish ; tripli- 

 nerved, serrate from above the middle or in upper two- 

 thirds ; hirsute, especially on the margins, and nerves beneath, 

 hairs reddish ; cymes androgynous, paniculate, peduncles much 

 longer than the petiole. Wedd. in DC. Prodr. xvi. pt. 1, 121 : 

 Griseh. op. cit. 157. Urtica rufa Sio. in Vet. Handl. Stockh. viii. 

 59 (1787) & Fl Ind. Occ. 292. (PI. 3, f. 3.) 



In rocky places ; Swartz ! Macfadyen ! 



Shrubby; stem much branched, 2-3 dm. high. Larger leaves 

 1*5-4 cm. 1., "8-1.5 cm. br. ; smaller leaves 5-1-2 cm. 1.; nerves reaching 

 about the upper third of the leaf ; cystoliths linear on upper surface, 

 wanting or minute on lower surface; petioles '5-1 cm. 1. hirsute with red- 

 dish-brown hairs. Stipules roundish, 3-4 mm. 1., glabrous, ferruginous 

 (when dry), persistent. Male flowers with pedicel '5-1 mm. 1. ; perianth 

 8 mm. 1., " white " (Swartz) ; dorsal appendage small, triangular, -2 mm. 1. 

 Fetnale flowers stalked. Acheiie about 1 mm. 1., elliptical, broadly margined, 

 minutely spotted, XDrojecting beyond the median segment of perianth by 

 one-third of its length ; median segment slightly shorter than the achene, 

 lateral segments about half as long as median. 



14. P. rufeseens Fawc. d- Bendle in Joiirn. Bot. I. 178 (1912) ; 

 monoecious ; branches hirsute ; leaves of the same pair of unequal 

 size, the larger elliptical, stalked, the other much smaller, 

 subsessile, roundish, triplinerved, serrate in the upper half, 

 glabrous on uj)per surface, hirsute on margins and on nerves 

 beneath, hairs reddish ; cymes androgynous, umbellate or 

 corymbose, peduncles much longer than the petiole. (PI. 2, f. 3.) 



