Paullinia. 235 



reliquis majore) non ingrediente; semina — ?; flores sat robusti, sepalis subcoriaceis, 

 3. et 5. usque ad apicem connatis; thyrsi solitarii vel paniculatim congesti; corpus 

 lignosum simplex; folia 5-foliolato-pinnata, petiolo rhachique nudis, stipulis parvis 

 subulatis; foliola glandulis helicoideis accumbentibus ornata; epidermis mucigera. 

 (Species 1 brasiliensis — P. livescens — , reliquae guianenses.) 



A. Folia lanceolata, serrato- vel repando-dentata. 



a. Foliola discoloria, supra livida, subtus ferruginea, 



margine revoluta, serrato-dentata (sp. brasiliensis). . 92. P. livescens. 



b. Foliola concoloria, rufo-fusca, margine plana, repando- 

 dentata 98. P. anisoptera. 



B. Foliola ex elliptico late ovata, dentibus obsoletis sub- 

 integerrima (concoloria, rufo-fusca, margine plana; fructus 



ignotus) 94. P. fibulata. 



Sext. XI. Isoptilon Radlk. 11. cc. — Capsula trialata, pyriformis, longius breviusve 

 stipitata (cf. Fig. 5), laevis, glabra vel tomentosa, mesocarpio parenchymatico, 

 endocarpio alas non ingrediente; semina ovoidea, glabra, arillo dorso emarginato- 

 fisso basi vel usque ad medium obtecta; embryo oleoso-farinosus, cotyledonibus 

 crassis, parum curvatis, rima subhorizontali vel obliqua superpositis; flores P. 

 isoptera ignoti, in 1 specie (P. Cambessedesii) robusti, in reliquis parvi et teneri, 

 sepalis 5 liberis; thyrsi in 1 specie (P. Cambessedesii) saepius bini ternive aggregati, 

 in reliquis solitarii vel paniculatim congesti; corpus lignosum simplex; folia ternata 

 vel 5-foliolato-pinnata, petiolo rhachique nudis; foliola pilis basi lateraliter affixis 

 subsaccatis induta, glandulis curvatis obsita, in 1 specie (P. Cambessedesii) fibris 

 sclerenchymaticis prope paginam superiorem instructa; epidermis non mucigera. 

 (Species 1 antillana, 1 brasiliensis, reliquae 2 guianenses.) 



A. Capsula apice anguste trialata, tomentosa; folia ternata; 



(thyrsi bini ternive aggregati; flores robusti; sp. guianensis) 95. P. Cambessedesii. 



B. Capsula infra apicem trialata, glabra; (thyrsi solitarii). 



a. Capsulae alae e medio valvarum dorso emergentes, nee 

 apicem nee basin attingentes. 



aa. Folia ternata, glabriuscula; Capsula globosa, sat 



stipitata (sp. brasiliensis) 96. P. isoptera. 



bb. Folia 5-foliolato-pinnata, glabriuscula; flores parvi, 

 teneri; Capsula pyriformis, longiuscule stipitata (sp. 

 antillana) 97. P. microsepala. 



b. Capsulae alae secus totum valvarum dorsum decurrentes; 

 Capsula ellipsoideo-pyriformis, breviter stipitata; flores 

 parvi, teneri; folia 5-foliolato-pinnata, subtus sub- 

 serieeo-tomentosa, denique decalvata (sp. guianensis) 98. P. rufescens. 



Sect. XII. Caloptilon Radlk. 11. cc. — Capsula insigniter, interdum latissime trialata, 

 alis inclusis ex obovato vel obeordato attenuata, rarius ovalis, suborbicularis vel 

 transversim elliptica, stipitata vel estipitata (cf. Fig. 5 XII A, B), glabra vel tomen- 

 tosa, mesocarpio parenchymatico, endocarpii sclerenchymate alas plus minus in- 

 grediente, sed non vel vix paullulum bipartibili, alis igitur nunquam evanescentibus; 

 semina e trigono ellipsoidea, haud raro pilosiuscula, arillo dorso fisso usque ad 

 medium obtecta; embryo oleoso-farinosus, cotyledonibus crassis, plerumque parum 

 curvatis, rima subtransversali superpositis; flores teneri, sepalis membranaeeis, 

 interioribus petaloideis, omnibus liberis; thyrsi haud raro glomeratim vel fasci- 

 culatim aggregati; corpus lignosum in nonnullis compositum e centrali majore et 

 periphericis plerumque 3 (P. trilatera, monogyna, hymenobractea), rarius 1 (P. mallo- 

 phylla); folia raro ternata (P. ternata, monogyna), in nonnullis biternata [P.enne- 



