Piper PIPERACE.E 23 



6. P. arbopeum Auhl. PI. Guian. i. 23 (1775) ; leaves glabrous 

 on both, sides. — P. geniculatum C. DC. torn. cit. 178. 



Shrub or tree 6-25 ft. high. Branches glabrous, nodes more or less 

 swollen. Leaves variable — ovate, oblong-ovate, oblong, elliptical or 

 lanceolate, at the base rounded or acute on each side, apex obtuse or 

 acute, land sometimes attenuated or acuminate, glabrous on both sides, 

 w^ith no pellucid dots, or only a few indistinct ; stalk glabrous. Spikes 

 obtuse, shorter than the leaves ; peduncle glabrous, about equal to the 

 whole petiole. 



There appear to be several forms of this species, the chief 

 are : — 



Form genieulata, leaves large, elliptical or oblong-elliptical, 

 apex obtuse, base rounded or subcordate, somewhat leathery, 

 15-40 cm. 1., 6-14 cm. br. ; nodes more or less swollen. — 

 P. geniculatum Sw. Prodr. 15 (1788), Fl. Ind. Occ. 57 & Ic. ined. 

 t. 51 ; C. DC. in Urh. Si/mh. Ant. in. 178. P. macrophyllum Sio. 

 Prodr. 15 & Fl. Ind. Occ. 54 ; Haw. Succ. 3. P. verrucosum Sw. 

 Prodr. 15 & i7. Ind. Occ. 56. Artanthe xestophylla Miq. Syst. 

 Pip. 491 (1844). A. Lessertiana Miq. op. cit. 405. A. verru- 

 cosa and A. macrophylla Griseh. Fl. Br. W. Ind. 171 (1859). 

 Piper longum arboreum foliis latissimis Sloane Cat. 45 & Hist, 

 i. 135, t. 88,/. 1. Piper frutescens minus &c. Browne Hist. Jam. 

 122. Type in Herb. Mus. Brit. 



Woods ; " Kio Nuovo on north side of island," Sloane, Herb. ii. 84 and 

 Ic. inedl St. Mary ; St. Elizabeth ; iJro^/;9^« ; Swartz \ Wright \ Macfadyenl 

 St. Mary, McNab ! St. Ann and Westmoreland, Purdie ! Wilson ! Mo- 

 neague; Pleasant Valley; Priori near Colthirst River, St. George; 

 between Askenish and Dolphin Head, 1200 ft. ; Tyre, near Troy, 2000 ft. ; 

 Har7is 1 Fl. Jam. 5569, 8734, 9242, 9465.— Cuba, Trinidad, tropical S. America. 



Form nitida, leaves lanceolate, oblong or elliptical, apex 

 generally acuminate, at base attenuated, or obtuse, papery (when 

 dry), 8-15 cm. ]., 3-6 cm. br. — P. nitidum Sic. Prodr. 15, Fl. Ind. 

 Occ. 58 & Ic. ined. t. 52 ; Haw. Succ. 5. Type in Herb. Stock- 

 holm. 



Wright ! Swartz ! Macfadyen ! Guy's Hill, St. Mary, Purdie ! J.P. 1122, 

 Morris 1 Newcastle, J.P. 529, 2109, Hart ! Morse's Gap, 4900 ft., Harris ! 

 John Crow (Blake) Mts., 1500 ft. ; Harris and Britton ! Fl. Jam. 8324, 10,774 ; 

 near Moneague, Britton 2661 ! Fern Gully, Ocho Rios, Britton and Hollick 

 2696! 



Form staminea, very like form nitida, but leaves more 

 leathery (when dry), generally narrower and less acuminate ; 

 slender tree, 20-30 feet high. — Artanthe staminea 3Iiq. in Hook. 

 Lond. Journ. Bot. iv. 461 (1845). Piper stamineum G. DC. 

 torn. cit. 176. P. olens C. DC. in Urh. Symh. Ant. vii. 182 (1912). 



Manchester Mts., Purdie ! Woodstock, Westmoreland ; lower slopes of 

 Dolphin Head; Harris ! Fl. Jam. 9832, 10,295.— Cuba, Porto Rico. 



