Pij)er PIPEIJACE/E 23 



6. P. arboreum Auhl. PL 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 tbe base rounded or acute on each side, apex obtuse or 

 acute, 'and sometimes attenuated or acuminate, glabrous on both sides, 

 with 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 geniculata, leaves large, elliptical or oblong-elliptical, 

 apex obtuse, base rounded or subcordate, somewhat leathery, 

 loiO cm. 1., 6-14 cm. br. ; nodes more or less swollen. 

 P. geniculatum Siv. Prodr. 15 (1788), Fl. Iml. Occ. 57 tt Ic. ined. 

 f. 51 ; C. DC. in Urb. Si/rnh. Ant. Hi. 178. P. macrophyllum Sw. 

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

 Prodr. 15 & Fl. Ind. Occ. 56. Artanthe xestophylla 3Iiq. Syst. 

 Pip. 491 (1844). A. Lessertiana 3Iiq. 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 tire. Browne Hist. Jam. 

 122. Type in Herb. Mus. Brit. 



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

 Ic. ined ! St. Mary ; St. Elizabeth ; Browne ; Swartz ! Wright ! Macfadyen ! 

 St. Mary, McNabl St. Ann and Westmoreland, Purdiel Wilson \ Mo- 

 neague ; Pleasant Valley ; Prior ! near Colthirst River, St. George ; 

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

 Harris ! Fl. Jam. 55G9, 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. 1., 3-6 cm. br. P. nitidum Sw. Prodr. 15, FL Ind. 

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

 holm. 



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

 Morris \ Newcastle, J.P. 529, 2109, HarM Morse's Gap, 4900 ft., Harris \ 

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

 near ]\Ioneague, Britton 2661 ! Fern Gully, Ocho Rios, Britton and Hollick 

 2696! 



Form staminea, very like form nitida, but leaves more 

 leathery (w hen dry), generally narrower and less acuminate ; 

 slender tree, 20-30 feet high. Artanthe staminoa Miq. in HooJc. 

 Lond. Journ. Bid. iv. 461 (1845). Piper stamineum ('. DC. 

 torn. cit. 176. P. olens C. DC. in Urb. Syndj. Ant. rii. 182 (1912). 



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

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



