26 FLORA OF JAMAICA Piper 



Eiver, 3500 ft. ; Bryan's Hill, 3000-3500 ft. ; Guava Ridge road, 1500 ft. ; 

 Harris ! Fl. Jam. 8027, 8848, 8349, 8850, 8858 ; Hardware Gap, 4000 ft,, 

 G. Nichols ! 



Shrub or small tree 6-12 ft. high. Leaves with pellucid dots, 7-18 cm. 

 1., 2'5-5"5 cm. br. ; stalks below the limb 1-5 mm. ]., between the sides of 

 the limb 2-5 mm. 1. Spikes half as long, to as long, as the leaf; peduncle 

 as long as the petiole, or two or three times as long. 



Form mierophyllum form. nov. ; leaves smaller than in the 

 typical species, ovate-elliptical, rough on upper surface, 5-7 cm. 1., 

 2-3 cm. br. — P. mierophyllum C. DC. op. cit. 190. 



Near Whitfield Hall Works, Blue Mts., Harris ! Fl, Jam. 5172. 



13. P. dilatatum L. CI, Bieh. in Act. Soc. Hist. nat. Paris, 

 105 (1792) ; leaves large, elliptical or rhomboid-ovate, at the 

 base unequall)'^ cordate, apex acuminate, with sparsely scattered 

 hairs on both sides especially on the nerves ; petiole grooved at 

 the base, hirtellous ; peduncle puberulous or glabrate, generally 

 shorter than the petiole. — C. DC. op. cit. 197. 



Caley ! — Lesser Antilles, continental tropical America. 



Shrub 8-10 ft. high. Branches, when young, puberulous, afterwards 

 glabrate. Leaves 14-20 cm. 1., 7-11 cm. br., difference between the sides 

 of the limb about 6 mm. ; stalk 1-1*5 cm. 1. Spikes one-fourth to one- 

 half as long as the leaf. Bract villous. 



§ 4. Spikes umbellate on the apex of an axillary peduncle. 

 Leaves large, cordiform or peltate. Berries crowded 

 together and more or less angled by pressure, 



14. P. umbellatum L. Sp. PI. 30 (1753); Haw. Succ. 3; 

 a DC. in Urb. Symh. Ant. Hi. 210 & iv. 187. P. peltatum L. loc. 

 cit. ; Haw. loc. cit. ; C. DC. in Urh Symb. Ant. Hi. 208 & iv. 186. 

 P. longum racemosum malvaceum Sloane Cat. 45, Hist. i. 136. 

 Potomorphe umbellata Miq. Comm. Phyt. 36 (1840) ; Griseb. op. 

 cit. 169. P. peltata Miq. op. cit. 37 (1840); Griseb. loc. cit.; 

 Briiton in Torr. Bot. Club Bull. xxxv. 566. 



Colt's-foot. 



Sloane, Herb, ii., 86*, 87 ; viii. 185 (2), and 149 (3) ! Stvartz 1 Houstoun 1 

 Broughton ! Shakespear ! Murray ; Distin I McNab I St. Mary, Purdie I 

 Prior ! March ! Resource plantation. Hart 1 Moore Park, Portland, 2000 ft. ; 

 road to Guava Ridge, 2000 ft. ; Castleton district, 500 ft. ; Harris ! J.P. 

 1261, 1264; Fl. Jam. 6631, 8356, 8441,(8442; near Kingston, Hansen; 

 Norwich, Millspaugli. — Throughout the West Indies and tropical America. 



Shrub 2-6 ft. high. Branches glabrous in the peltate form, puberulous 

 in the other. Leaves with long stalks, large, sometimes peltate, roundish, 

 at base repand-cordate or deeply cordate, at apex acute or attenuate- 

 acute, glabrous on both sides usually in the peltate form, puberulous on 

 the nerves on both sides in the other form, palmatinerved, the central 

 nerve with two pinnate nerves on each side below, with numerous pellucid 

 dots, 1-8 dm. 1. and br. ; stalk glabrous in the peltate form, puberulous in 

 the other, about 2 dm. 1. ; common peduncle several times shorter than 

 the leaf-stalk, 1-7 cm. 1., glabrous in the peltate form, puberulous in the 

 other. Spikes 4-10, umbellate. 



