119 



ßß. Thyrsi longiores, subterni ad foliorum axillas fasciculati 



* Glabra; stipulae majusculae, elliptico-lanceolatae, scariosae; 

 folia 3-juga, jugo infimo ternato; semen pilosum (sp. guia- 

 Densi-caribaea) 89. P. tetragona Aubl. 



** Hispida; stipulae maximae , ex ovato lanceolatae, sca- 

 riosae; folia 4 — 6-juga, jugo infimo pinnato; semen 

 glabrum (?) (sp. venezuelano-novogranatensis) 



90. P. hispida Jacq. 

 bb. Thyrsi axillares solitarii et in caule vetustiore bini ternive fasciculatim 

 congesti; folia subbipinnata , 3 — 4-juga, rhachi alata; Capsula stipitata; 

 semen glabrum (subglabra vel varie Testita ; sp. brasiliensi-argentina) 



91. P. meliaefolia Juss. 

 cc. Thyrsi axillares solitarii 



a. Folia 5-foliolato-pinnata 



aa. Foliorum rhachis nuda 



* Hirsutae 



f Foliola maxima , inferiora late ovata , impunctata 

 (semen ignotum; sp. peruviana) 



92. P. gigantea Poepp. 

 ff Foliola elliptico-lanceolata, pellucide punctata (Cap- 

 sula hirsuta, breviter stipitata; semen glabrum (?); 

 sp. peruviano-boliviana) 93. P. acutangula Pers. 

 ** Hirto-tomentosae 



f Foliola ovata, remote acute dentata, impunctata; Cap- 

 sula tomentosa, truncata, longius stipitata (semen 

 pilosum; sp. ecuadorensis) 94. P. Quitensis Radlk. 

 ff Foliola oblonga, grosse obtuse dentata, sat punctata ; 

 Capsula tomentosa, emarginata, breviter stipitata 

 (semen pilosum; sp. peruviano-boliviana) 



95. P. dasystachya Radlk. 

 *** Pubescentes vel glabrescentes; foliola punctis pellucidis 

 lineolisque ramificatis instructa 



f Rami rubro-fusci; Capsula major, pubescens, longius 



stipitata (semen pilosum vel subglabrum ; sp. peru- 



viano-brasiliensis) . . . '96. P. nobilis Radlk. 



ff Rami viridescentes ; Capsula minor, glabrata, brevius 



stipitata (semen glabrum; sp. boliviana) 



97. P. boliviana Radlk. 

 ßß. Foliorum rhachis plus minus marginata vel alata; capsulae 

 minores, glabrae; rami foliaque (fere semper) glabra 



* Capsula apice excisa, subobcordata; rhachis foliorum sat 

 alata, foliola impunctata, stipulae subulatae (semen pilosum ; 

 rami juniores in costis hirtelli; sp. antillana) 



98. P. excisa Radlk. 

 ** Capsula apice (alis connexis) integra, obovata 



f Rhachis foliorum anguste marginata vel subnuda, 

 foliola impunctata, stipulae subulatae (semen pilosum 

 vel subglabrum; sp. guianensi-brasiliensi-panamensis) 



99. P. subnuda Radlk. 



ff Rhachis foliorum alata, foliola punctis pellucidis 



crebris notata, stipulae lanceolatae (semen pilosum ; 



sp. brasiliensis) . . . 100. P. caloptera Radlk. 



