234 L. Radlkofer. — Sapindaceae. 



spongioso; foliola (ut in P. granatensi) breviter acumi- 



nata, subclathrato-venosa (sp. peruviana) 84. P. riparia. 



Sect. VII. Xyloptilon Radlk. 11. cc. — Capsula tricarinato-alata vel apice divaricato- 

 trialata, longius breviusve cuneata vel clavata, basi in stipitem breviorem attenuata 

 (cf. Fig. 5), pube brevi induta, mesocarpio (alisque) nervorum multitudine fibroso, 

 Capsula sicca inde sublignosa alaeque crassae lignoso-rigidae, endocarpii sclerenchy- 

 mate alas non ingrediente; semina e trigono obovata, pilosa vel glabra, arillo dorso 

 fisso usque ad medium obtecta; embryo (junior) oleosus; flores sat robusti, sepalis 

 subcoriaceis, omnibus liberis vel 3. et 5. (in P. venezuelana) basi vel fere usque ad 

 medium connatis; thyrsi solitarii vel paniculatim congesti; corpus lignosum simplex; 

 folia ternata vel 5-foliolato-pinnata, petiolo rhachique nudis; foliola glandulis curvatis, 

 in 1 specie (P. venezuelana) malleoliformibus ornata; epidermis non mucigera. 

 (Species Americae meridionalis continentalis cisaequatorialis incolae.) 



A. Fructus carinatus. 



a. Folia ternata (Capsula ex oblongo cuneata, alis angustis 

 vel carinis potius per totam fere capsulae longitudinem 

 decurrentibus; sp. novogranatensis) 85. P. turbacensis. 



b. Folia 5-foliolato-pinnata (Capsula per totam longitudi- 

 nem tricarinata; sp. venezuelana) 86. P. venezuelana. 



B. Fructus alatus; folia 5-foliolato-pinnata (Capsula ex obovato 

 breviter clavata vel pyriformis, alis e superiore capsulae 

 parte emergentibus, late patentibus, cornif ormibus ; sp. 



guianensis) 87. P. tricornis. 



Sect. VIII. Neuroptilon Radlk. 11. cc. — Capsula apice trialata, ellipsoidea vel pyri- 

 formis , brevius longiusve stipitata (cf. Fig. 5), glabrata, mesocarpio (alisque) 

 nervorum multitudine fibroso, Capsula sicca inde sublignosa, alis crassiusculis striato- 

 nervosis cartilagineo-flexibilibus divaricatis, endocarpii sclerenchymate alas non 

 ingrediente; semina ovoidea, glabra, arillo dorso fisso usque ad medium obtecta; 

 embryo oleoso-farinosus, cotyledonibus crassis oblique superpositis; flores sat robusti, 

 sepalis subcoriaceis, 3. et 5. fere usque ad apicem connatis; thyrsi solitarii vel pani- 

 culatim congesti; corpus lignosum simplex; folia ternata vel 5-foliolato-pinnata, 

 petiolo rhachique nudis vel rhachi subalata (P. plagioptera), stipulis insignibus 

 subulatis; foliola prominule reticulato-venosa, glandulis malleoliformibus vel curvatis 

 ornata; epidermis mucigera. (Species 2 antillanae, 1 surinamensis.) 



A. Folia ternata (sp. antillana) 88. P. neuroptera. 



B. Folia 5-foliolato-pinnata. 



a. Capsulae alae oblique erectae (sp. surinamensis) . . 89. P. plagioptera. 



b. Capsulae alae horizontaliter patentes (sp. antillana) . 90. P. vespertilio. 



Sect. IX. Cryptoptilon Radlk. 11. cc. — Capsula anguste trialata, subglobosa, estipitata, 

 inter alas undique plicato-verrucosa, verrucis altitudine alas subaequantibus indeque 

 occultantibus (cf. Fig. 5), mesocarpio parenchymatico paucinervi, nervis verrucas 

 ingredientibus (cf. sect. VI), endocarpio alas non ingrediente; semina — ?; flores 

 robusti, sepalis coriaceis, 3. et 5. fere usque ad apicem connatis; thyrsi solitarii; 

 corpus lignosum simplex; folia ternata, petiolo nudo; foliola glandulis malleoli- 

 formibus ornata; epidermis mucigera. (Species guianensis.) 



Species sola 91. P. verrucosa. 



Sect. X. Anisoptilon Radlk. 11. cc. — Capsula inaequaliter trialata, obcordata, longius 

 breviusve stipitata (cf. Fig. 5), laevis, rufo-tomentosa, mesocarpio parenchymatico, 

 endocarpio alas (in 2 certe speciebus — tertiae fructus ignotus) inaequales (una 



