PIPERACEiE. 169 



rhachis deeply foveolate, pubescent ■. flowers approximate j ovary rostellate j fruit ovate, with 

 ajery^ short beak.— R. P. Fl. t. 47 B.— Piper, L., Sw. Pep. filiformis, R. P.— Branches 

 2"-6 '^long, simple or simply trichotomous ; leaves 6"'-4'" long, 5" '-%'" broad ; aments 

 6"'-8"' long, bhmt at the top, as long as their peduncle. — Hab. Jamaica !, Matf., Dist., 

 Bancr., March, on trees; [Venezuela! to Brazil! and Peru!; Pacific Islands!; East Indies!; 

 tropical Africa to the Cape !]. 



2. POTHOMORPHE, Miq. 



Bracts peltate. Stamens 2, lateral to the ovary. Ovary sessile : stigmas 3, sessile, re- 

 curved. Pericarp thin. — Shrubs ; leaves large, cordiform or peltate, membranaceous, pel- 

 lucid-dotted : petiole sheathing ; aments umbellate, axillary, peduncled. 



35. P. peltata, Miq. ! Leaves peltate, cordate-roundish with a small point, 13-nerved: 

 two pairs inserted beyond the base of the midrib ; umbels usually 8-1 2-rayed. — Plum. Descr. 

 t. 74 ; Desc. Fl, 4. t. 236.— Piper, L. — 4-6' high; leaves 12"-8" diam. : petiole as long; 

 aments 4"-3", pedicels 4'", peduncles li" long.— Hab. Jamaica !, Dist., Wils., March, to 

 Trinidad !, Schach, in woods ; [Cuba! to equatorial Brazil ! and New Granada!]. 



36. P. umbellata, Miq. Leaves not peltate, cordate-roundish with a deltoid point, 

 11-13-nerved: one pair inserted beyond the base of the midrib ; umbels usually 5-3-rayed. 

 — Plum. Descr. t. 73. — Piper, L. — Leaves 10"-6" diam. : petiole as long, hairy; aments 

 4"-2", pedicels 5'"-2"', peduncles 8"-6"' long.— Hab. Jamaica!,^/., March, Wullschl.; 

 [Cuba! to Brazil!]. 



3. ENCKEA, Kth. 



Bracts cucullate. Stamens 5-6 (4-7), inserted around the ovary : anther-cells confluent 

 above. Stigmas 3 (-5), sessile. Pericarp baccate : seed sulcate. — Shrubs {rarely trees) ; 

 leaves palmatinerved, opposite to an abortive leaf: nodes tumid; aments opposite to the 

 leaves, solitary, bluntish. 



* Leaves rigid, reticulated with transverse veins. 



37. E. smilacifolia, Kth., Miq. ! Glabrous ; leaves large, papery, ovate or ovate- 

 oblong, shortly acuminate, oblique at the rounded or subcordate base, 7-5-nerved, obso- 

 letely pellucid-dotted, shining, much longer than the aments: veins transverse ; flowers 

 contiguous ; " berry ovoid." — Piper decumanum, W. — A high shrub or tree ; leaves 10''-8" 

 long, 8"-5" broad : petiole 6"'-4"' long ; aments 5"-4" long, shortly peduncled. — Hab. 

 Trinidad!, Schach, Cr., in woods; [Guadeloupe !, Panama!, Venezuela]. 



** Leaves membranaceous. 



38. E. Amalago, Gr. Glabrous, or the petioles and leaf-ribs puberulous ; leaves 

 membranaceous, obliquely ovate-oblong, ovate-lanceolate (or hastate-subulate), with a nar- 

 row, usually bluntish point, 5-nerved, about as long as the aments ; berries distant, ovate, 

 blunt, sulcate.— St. t. 87./. 1 ; E. P. Fl. t. 57 B ; Jacq. Eclog. t. 76.— Piper, L. (ex ic. 

 SI.), Sw. ! P. glaucescens, Jacq. P. unguiculatum, R. P. E. unguiculataaWglaucescens, 

 Kth. — A dichotomous shrub, 10'-3' high ; aments 3" long : rhachis pubescent. 



a. Petioles and leaf-ribs glabrous ; leaves nearly opaque (4"-2£" long, 24"'-8'" broad). 



0. hirtella. Petioles pubescent ; leaf-ribs puberulous, chiefly towards the base and be- 

 neath ; leaves minutely pellucid-dotted (4"-2" long, 2"-l" broad). — E. ceanothifolia, Miq. ! 

 (exclus. diagn. et synon. Kth.). 



y. variifolia, Miq. Glabrous ; leaves hastate-subulate, opaque (3"-2" long, 6'" broad at 

 the roundish base, 2'"-4'" broad above). 



Hab. Jamaica !, Mac/. (j8), Al. (a), March, Wils., Wullschl. (a, 7), in the hills ; [Cuba ! 

 and Mexico to Brazil and Peru]. 



39. E. Swartzii, Gr. Glabrous, or the petioles slightly puberulous ; leaves mem- 

 branaceous, minutely pellucid-dotted, ovate, with a narrow, blunt point, often oblique at 

 the base, triplinerved with 1-2 basilar pairs of nerves besides, usually somewhat longer than 

 the aments ; berries distant, ovoid-oblong, abruptly rostellate, sulcate. — Piper discolor, 

 Sw. E. plautaginea, Miq. ! {cf. seq.).—A shrub; leaves C"-3" long, 3J"-U" broad, rounded 



