113 



b. Cotyledones parum curvatae, amyligerae; Capsula tomentosa, excepta P. Cupana 

 (in P, scabra et latifolia ignota); flores plerumque majores; rami angulati vel 

 costati (in P. ferruginea subteretes); folia 5-foliolato-pinnata, petiolo rhachique 

 nudis, plerumque scabriuscula vel hirtella, fibris sclerenchymaticis (in P. fusi- 

 formi raris) prope paginam superiorem instructa (epidermis non mucigera, paginae 

 inferioris in P. fusiformi crystallophora; sp. brasilienses, una — P. stellata — 

 guianensis) 



aa. Folia subglabra, subtus glandulis scabriuscula ; stipulae parvae subulatae ; 

 bracteae parvae; flores majores; Capsula glabra 39. P. Cupana Kunth. 

 bb. Folia subtus puberula; stipulae majores, oblongae; bracteae parvae; flores 

 mediocres ; Capsula — ? 



a. Foliola supra medium grosse dentata; cincinni stipitati, elongati 



40. P. scabra Benth. 



ß. Foliola inferiora subintegerrima, superiora apice obsolete dentata, 



acuminata; cincinni subsessiles, contracti 41. P. latifolia Benth. 



cc. Folia subtus hirtello-tomentella; Capsula tomento brevi interdum hirtello 



induta 



a. Flores majores; Capsula breviter stipitata, stipite quam pars semi- 

 nifera breviore; semina subglobosa, testa spadicea, arillo cupulari 

 dorso depresso, vix fisso; foliola clathrato-venosa 

 aa- Bracteae parvae, subulatae 



* Stipulae parvae, deltoideae, subintegrae (cincinni sessiles 

 contracti) 42. P. parvibractea Badlk. 



** Stipulae mediocres, suborbiculares, stellato-incisae (cin- 

 cinni substipitati, elongati; sp. guianensis) 



43. P. stellata Radlk. 

 ßß. Bracteae majores, oblongae, concavae, sepalis conformes 



* Stipulae conspicuae, suborbiculares, stellato-incisae (cin- 

 cinni sessiles, contracti; foliola ovata) 



44. P. rugosa Benth. 

 ** Stipulae majores, obovato-ellipticae, apicem versus lacerato- 

 incisae (cincinni sessiles, contracti; foliola elliptica) 



45. P. subcordata Benth. 

 ß. Flores minores; Capsula plerumque longius stipitata, stipite partem 

 seminiferam subaequante; semina subglobosa vel ellipsoidea, testa 

 atro-fusca, ariilo dorso fisso subbilobo; bracteae minimae; foliola 

 reticulato-venosa , subtus dense sufferugineo -pubescentia; stipulae 

 parvae, subulatae 



aa. Capsulae pars seminifera ellipsoideo-globosa; arillus semen 

 aequans; rami teretiusculi ; foliola supra sublaevigata, intus 

 fibris crebris instructa . . . 46. P. ferruginea Cäsar. 

 ßß. Capsulae pars seminifera fusiformis; arillus quam semen dimidio 

 brevior; rami costati; foliola supra quoque reticulata, intus 

 fibris raris instructa, epidermide inferiore crystallophora 



47. P. fusiformis Radlk. 



Sectio IV. Packytoechus Kadlk. 11. cc. Capsula exalata, ovata vel subglobosa, longe 

 stipitata, glabra vel tomento brevissimo adpresso induta, mesocarpio parenchymatico crasso 

 paucinervi, endocarpio sat crasso sed minus tenaci, Capsula sicca inde plerumque crassius 

 crustacea (unde sectionis nomen), attamen sat fragilis, reticulato-venosa, longitudinaliter 

 leviuscule 6-costata (in 2 speciebus — P. linearis et platymisca — ignota); semina ovoidea 

 vel e trigono depresse globosa vel hemisphaerica, fere tota arillosa, arilli marginibus dorso 



