l6 SMITHSONIAN MISCELLANEOUS COLLECTIONS VOL. Jl 



PIPER MAXONII C, DC, n. sp. 



RamuHs glabris ; foliis peltatis sat longe petioiatis glabris, limbo 

 2.5 cm. supra basin peltato rotundato-ovato basi leviter inaequilatera 

 sinuato-cordulato, apice breviter et acute acuminate, 13-plinervio 

 nervo centrali iiervos adscendentes utrinque 3 mittente quorum 

 supremus a 6 cm. supra basin solutus, nervis lateralibus utrinque 3 a 

 petiolo divaricantibus, petiolo usque ad limbum vaginante ; pedunculo 

 glabro petioli dimidium fere aequante spica florente quam limbus 

 paullo breviore apice acuta rhachi glabra bracteae vertice truncato- 

 peltato carnoso margine supero longe infero breviter hirsuto, 

 pedicello oblongo glabro supra canaliculato, antheris ovatis quam 

 filamenta longa et tenuia brevioribus, ovario basi in rhachi immerso 

 glabro, stigmatibus brevibus. 



Frutex 3 m. altus, ramuli spiciferi circiter 4 mm. crassi, collen- 

 chyma in fasciculos discretos et approximatos dispositum baud vel 

 zona interna parce libriforme, canalis lysigenus nullus. Limbi in 

 vivo supra obscure subtus pallide virescentes in sicco membranacei 

 creberrime pellucido-punctulati, 23 cm. longi et usque ad 19.5 cm. 

 lati. Petioli 7 cm. longi. Spicae florentes circiter 16 cm. longae et 

 4 mm. crassae. Stamina 4. Stigmata 3 sessilia. 



Panama : Vicinity of El Boquete, alt. 1,000-1,300 m., wet wooded 

 ravine, W. R. Maxon 5050 (type). Forests along the Rio Ladrillo 

 and vicinity, above El Boquete, Chiriqui, shady places between the 

 Ladrillo and first hill, alt. 1,200-1,300 m., H. Pittier 3163; along the 

 river, H. Pittier 3164. 



PIPER MAGNANTHERUM C. DC, n. sp. 



Ramulis foliisque modice petioiatis glabris et creberrime rubes- 

 cente-punctulatis, limbo elliptico-oblongo basi inaequilatera utrinque 

 acuto, apice acute et sat longe attenuate, nervo centrali nervos ad- 

 scendentes utrinque 4 mittente quorum supremus paullo infra 

 medium centralis solutus, petiolo basi ima vaginante ; pedunculo 

 glabro quam petiolus multo breviore, spica florente quam limbus 

 pluries et quam petiolus paullo breviore cylindrica apice mucronulata 

 rhachi hirsuta, bracteae vertice truncato late triangulari margine 

 pallide et dense hirsuto parte infera lata hirsuta, antheris magnis 

 carnosis filamenta tenuia multo superantibus. 



Ramuli spiciferi 1.75 mm. crassi, collenchyma in fasciculos dis- 

 cretos dispositum et baud libriforme, fasciculi intramedullares 

 i-seriati, cellulae fuscescentes magnae in cortice et in medulla cre- 

 brae. Limbi in sicco membranacei 14.5 cm. longi et 4.5 cm. lati. 



