351 



SAPIXDACEAE : PAULLTNIA. 



352 



subcoriaceis tumque (praesertim interioribas) tomentellis, om- 

 nibus liberis vel 3. et 5. basi vel infra medium connatis ; 

 thyrsi solitarii vel paniculatim congesti; corpus lignosum 

 simplex; folia in una (P. nrvilleoides) ternata, in plurimis 

 5-foliolato-pinnata , in paucis biternata, petiolo laro, rhaebi 

 interdum alata, stipulis in nounullis insignioribus; foliola 

 plerumque glandulis curvatis vel geniculatis, in nonnullis 

 glandulis depressis flabelliformibus vel subscutatis subim- 

 mersis ornata , in pluribus fibris sclerencliymaticis brevibus 

 prope paginam superiorem (partim inter staurenchymatis 

 cellulas protrusis) instructa P. Ciipana etc. ; epidermis in aliis 

 mucigera, in aliis non mucigera, paginae inferioris in sola 

 P. fusiformi crystallophora. (Species plurimae brasilienses vel 

 certe Americae meridionalis continentalis incolae, una antillana, 

 paucae centroamericanae vel mexicanae.) 



A. Flores minores (flavidi; sepala petaloidea petalaque ntri- 

 culis laticiferis fuseis striata); folia ternata, glabra (epi- 

 dermide mucigera , ilia Urvilleae glabrae in mentem re- 

 vocantia, sed impunctata et reti utriculornm laticiferorum 

 fusco subtus notata, stipulis majoribtis falcatis instructa; 

 fructus ignotus; species brasiliensis) 16. P. irvii.leoidks Radlk. 



B. Flores plerumque majores; folia 5 foliolato-pinnata, petiolo rhachique 

 nndis, plerumque scabriuscula vel birtella, fibris sclerencliymaticis (in 

 P. fusiformi raris) prope paginam superiorem instructa (epidermis non 

 mucigera, paginae inferioris in P. fusiformi crystallopbora; sp. brasi- 

 lienses, una — P. stellata — guianemis) 



a. Folia subglabra, subtus glandulis scabriuscula ; stipulae 

 parvae subulatae; bracteae parvae; flores majores; cap- 

 sula glabra 17. P. clpana Knnth. 



b. Folia subtus puberula; stipulae m:ijores, obloDgae; bracteae parvae ; 

 flores mediocres; capsula — ? 



a. Foliola supra medium grosse dentata ; cincinni stipi- 

 tati, elougati 18. P. scabra Bentb. 



p. Foliola iuferiora subintegerrima, superiora apice ob- 

 solete dentata, acuminata; cincinni subsessiles, eon- 

 tracti 19. P. latifoi.ia Benth. 



c. Folia subtus hirtello-tomentella; capsula tomeuto brevi interdum 

 birtello induta 



a. Flores majores; capsula breviter stipitata , stipite quam pars 

 seminifera breviore; semina subglobosa, testa spadicea, arillo 

 cupulari dorso depresso, vix fisso; foliola clathrato-venosa 

 aa, Bracteae parvae, subulatae 



* Stipulae parvae, deltoideae, subiutegrae (cin- 

 cinni sessiles contracti) 20. F. PARV1BRACTEA Radlk. 



** Stipulae mediocres, suboibiculares, stellato- 

 incisae (cincinni substipitati, elongati; sp. 

 guianensis) .... 21. P. stellata Radlk. 

 ££. Bracteae majores, oblongae, concavne, sepalis conformcs 



* Stipulae conspicuae, suboibiculares, stellalo- 

 incisae (cincinni sessiles, contracti; foliola 

 ovata) 22. P. rugosa Benth. 



** Stipulae majores, obovato-ellipticae, apicem 

 versus laeerato-iucisae (cincinni sessiles, con- 

 tracti; foliola elliptica) 23. P. subcokdata Bcntb. 

 p. Flores minores; capsula plerumque longius stipitata, stipite partem 

 seminiferam subaequante; semina subglobosa vel ellipsoidea, testa 

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

 reticulato-venosa, subtus dense sufterugineo-pubescentia ; stipulae 

 parvae, subulatae 



aa. C:\psulae pars seminifera ellipsoideo-globosa; 

 arillus semen aequaus; rami teretiusculi ; foliola 

 supra sublaevigata, intus fibris crebris instructa 



24. P. februcikea Casar. 

 ,". Capsulae pars seminifera fusiformis; arillns quam 



semen diniidio brevior; rami costati ; foliola 

 supra quoque reticulata, intus fibris raris in- 

 structa, epidermide iul'erioie crystallophora 



25. P. fusiformis Radlk. 



Sectio IV. PACHYTOECHUS Radlk. II cc. Cap- 

 sula exalata, ovata vel subglobosa, longe stipitata, glabra vel 

 tomento brevissimo adpresso induta, mesocarpio parenchy- 

 matico crasso paucinervi, eudocarpio sat crasso sed minus 

 tenaci, capsula sicca inde plerumque crassius Crustacea (unde 

 sectionis nomen), attamen sat fragilis, reticulato-venosa, longi- 

 tudinaliter leviuscule 6-costata (in 2 speciebus — P. linearis 

 et platymisca — ignota); semina ovoidea vel e trigono de- 

 presse globosa vel hemisphaerica , fere tota arillosa, arilli 

 marginibus dorso valde approximatis (P. marginata, grandi- 

 folia, ingae folia, pachycarpa, xestophylla, venosa) vel supra 

 testae areolam et ipsam strato arilloso tenui obtectam pli- 

 catim conniveutibus et contiguis (P. carpopodea)] embryo 

 oleosus vel oleoso-larinosus, colyledonibus crassis, parum cur- 

 vatis, superpositis ; flores sat robusti, sepalis subcoriaceis, 3. 

 et 5. usque ad medium vel altius (forsan in P. xestophylla 

 basi tantum) connatis; thyrsi solitarii vel paniculatim congesti; 

 corpus lignosum simplex; folia imparipinnata, raro bijuga 

 (P. platymisca, xestophylla, venosa), plerumque 3-(4-)juga, 

 tumque jugo infimo plerumque utrinque ternato, rarissime 

 depauperato (P. marginata, carpopodea), petiolo rhachique 

 saepius insigniter alatis, stipulis plerumque conspicuis; foliola 

 nunc (in sp. 26 — 28) glandulis malleoliformibus, nunc glan- 

 dulis subscutatis imraersis tumque prope paginam superiorem 

 fibris sclerencliymaticis instructa (sp. 29 — 34);-' epidermis non 

 mucigera. (Species plures brasilienses, 2 guianensi-brasilienses, 

 1 peruviana.) 



A. Foliola glandulis stipitatis malleoliformibus obsita, fibris sclerenchy- 

 maticis prope paginam superiorem nullis; folia pinnatim decomposita 

 (subbipinnata), 3 — 6-juga, jugo infimo utrinque ternato (in P. marginata 

 baud raro depauperato simplici), foliola integenima 



a. Folia 5 — 6-juga foliola augnste linearia, impunctata 

 (fructus ignotus; sp. peruviana) 26. P. linearis Radlk. 



b. Folia 3 — 4-jnga, pellucide punctata et lineolata, capsula glabra 

 aa. Foliola lauceolata vel lineari-lanceolata, nervis latera- 



libus patentissimis numerosis instructa, petiolis rha- 

 cheosque segmentis alato-marginatis 



27. P. marginata Casar. 

 bb. Foliola elliptico-lanceolata , nervis lateralibus cur- 

 vatis paucis instructa, glabra vel varie tecta, pe- 

 tiolis rhacheosque segmentis nunc alato-uiarginatis, 

 nunc petiolis, nunc segmentis inferioribus vel om- 

 nibus nudis 28. P. carpopodea Camb. 



B. Foliola glandulis immersis scutatis ornata, fibris sclerenchywaticis prope 

 paginam superiorem (in P. xestophylla et venosa raris) iustructa 



a. Folia 3-juga, jugo infimo utrinque ternato; capsula tomentella 

 aa. Rhachis foliorum nuda vel vix apice marginata; 



cincinni stipitati .... 29. P. granpifolia Benth. 

 bb. Rhachis foliorum alata; cincinni sessiles (sp. guia- 



nensi-brasiliensic) .... 30. P. ingaefolia Rich. ed. Juss. 

 cc. Rhachis foliorum petiolusque alatus 



31. P. pachycarpa Benth. 



b. Folia 2-juga 



aa. Rhachis foliorum petiolusque late, immo latissime 



alatus (fructus ignotus) . . 32 P. platymisca Radlk. 

 bb. Rhachis foliorum petiolusque nudus 



a. Capsula tomentosa ; foliola reticulato-venosa, in- 

 tegenima 33. P. xestophylla Radlk. 



p. Capsula glabra; foliola arete reticulato-venosa, 

 basi lateralis plerumque dente uno alterove ob- 

 solete calloso notata (sp. guianensi-brasiliensis) 

 34. P. venosa Radlk. 



Sectio V. ENOUREA Radlk. II. cc. (Genus E. Aubl, 

 cf. Lit. generis). Capsula exalata, ex obovato globosa vel 



