601 



SAPIND ACE AE : M AT A YB A 



602 



Cupania) instructa, diachymate in nonnulUs cellulis scleren- 

 chymatico-pachydermicis persito fcfr. M. macrolepis, macro- 

 stylis , opaca, camptoneura, atropurpurea/, epidermide 

 nunquam mucigera, paginae superior is in compluribus 

 (cf. specierum conspectumj hypodermate (interdum spurio, 

 i. e. quasi staurenchymatis tanninigeri abbreviate stratum 

 exhibente) suffulta, in fere omnibus sectionis II. et III. 

 (excepta M. scrobiculata et laevigata^ cellulas margine, 

 in M. eleganti et M. camptoneura tola superficie punc- 

 tatas exhibente, paginae utriusque in 1 specie (M. camp- 

 toneura) crystallophora, in alia (M. purgante) e cellulis 

 sclerenchymatico-pachyderm icis exstructa, paginae infer ioris 

 in M. mexicana sola subpapillosa, in M. laevigata sto- 

 matibus majoribus orbieularibus insigni; petiolus com- 

 munis subtus convexus, supra saepe complanatus vel suleo 

 exaratus, fasciculis vasorum (ut in Cupania^ in annul urn 

 connexis , rhachis bisulcata , nuda , raro marginata. 

 Paniculae axillares, solitariae vel rarius fasciculatae, 

 ramulis ultimis thyrsos cymulas (polychasia vel dichasia 

 in cincinnos abeuntia , saepe glomeruliformia) gerentes 

 exhibentibus, foliis breviores vel aequilongae, varie pubes- 

 centes. Bracteae et bracteolae parvae 0,5 — 3 mm 

 longae, triangulari-subulatae , interdum vix conspicuae. 

 FLORES parvi, 2 mm vix superantes, albidi, pedicellati 

 vel subsessiles. Fructus medioeres, e rubicundo fus- 

 cescentes, ut in Cupania. 



Species 42 per Americam calidiorem a Mexico usque 

 ad Argentinam divulgatae, quarum 32 in Brasilia vel terns 

 vicinis observatae sunt. 



Obs. Genus maxime nffine geueri Cupaniae, a qua differt floris 

 et praesertim calycis cupulaiis praecociter aperti indole sat peculiari, nee 

 non specierum statura, ut videtnr, minus robusta, foliolis fere semper 

 (M. scrobiculata et heterophylla except is) integerrimis, plerumque laevigatis 

 et indumento (M. molli excepta) parco vel vix ullo. 



CONSPECTUS SPECIERUM BRASILIENSIUM 

 (Brasiliaeque adscribendarum). 



Sectio I. RATONIA Radlk. in Sitz. k. b. Ac. IX, 

 ■1679, p. 624, in Durancl Ind. Gen., 1887, p. 78 et in Engl, 

 ct Pr. Pfl.-Fam. Ill, 5, 1895, p. 340 (Genus Ratonia DC. I. c): 

 Fructus alato- vel subcoccato- 2— 3-lobatus, infra medium in 

 stipitem abrupte contractus; stylus apice in stigmata 2—3 

 intus papillosa recurvata divisus vel breviter 2 — 3-lobus ; 

 petala plerumque rndimentaria ; folia saepius per paria approxi- 

 mata, subopposita, rhacbi superne dilatata submaiginata ; 

 foliola glandulis digitiformibus seriem cellularum (basilarium 

 brevium latiorum , apicalium longiorum) exhibentibus basi 

 immersis praesertim subtus ornata, saepius foveolata. (Species 1 

 peruviana, reliquae antillano-mexicanae.) 



Species Peruviae orientalis, forsan Brasiliam quoque ingrediens, 



foliis sparsis, foliolis parvis 1. M. peruviana Radlk. 



Sapind. 



Sectio II. MACACA Radlk. in Sitz. Jc. b. Ac. IX, 

 1879, p. 624, in Durond Ind. Gen., 1887, p. 78 et in Engl. 

 et Pr. Pfl.-Fam. Ill, 5, 1895, p. 340 (a nomine vulgari M. 

 arborescentis „Macaca-apa-ipou" apud Aubl.): Fructus alato- 

 vel subcoccato- 2— 3-lobus, in stipitem (solidum) plus minus 

 abrupte contractus; stylus superne lineis stigmatosis 2—3 

 suturalibus iustructus, apice extimo interdum 2— 3-lobus; 

 petala sepalis majora, bisquamata; foliola glandulis micro- 

 scopicis clavatis breviter stipitatis ornata vel subeglandulosa, 

 in pluribus (spec. n. 3 et 4) pilis minutissimis obverse clavelli- 

 formibus obsita, efoveolata. (Species guianensi-brasilienses, 

 1 Antillas quoque ingrediens.) 



A. Stylus praelongus, germine biloculari suborbiculari plus duplo longior, 

 apice paullulum iucrassatus, sublobatus; foliola hypodermate spurio 

 instructa 



a. Foliola lanceolata, in acumen acutuni sensim attenuata, 

 pilis clavelliforniibus nullis ; endocarpium villosum 



(sp. amazonica) 2. M. mackolepis Radlk. 



b. Foliola elliptica vel snboblonga, superiora interdum 

 subobovata, breviter obtuse acuminata, pilis obverse 

 clavelliforniibus praesertim subtus obsita; geruien intus 

 circa gemmulae insertionem tantum pilosulum (sp. 

 guianensis) 3. M. mackostyms Radlk. 



B. Stylus germine vix longior; foliola hypodermate nullo, 

 pilis obverse clavelliforniibus aliisque setulosis + dibrachi- 

 atis subtus obsita, pellucide punctata, insignia venarum 

 e nervis, praesertim e nervo mediano euascentium paralle- 

 larum copia (sp. guianensi-caribaea et brasiliensis) 



4. M. arborescens Radlk. 



Sectio III. APIOxMATAYBA Radlk. in Sitz. k. b. 

 Ac. IX, 1879, p. 626, in Durand Ind. Gen., 1887, p. 78 et 

 in Engl, et Pr. Pfl.-Fam. Ill, 5, 1895, p. 340: Fructus 

 stipitatus, 2 — 3-gono-pyriformis, subclavatus vel obverse 

 pyramidatus (in pluribus non visus), endocarpio glabro glan- 

 duloso vel parce piloso ; flores saepius perparvi ; petala bisqua- 

 mata; foliola glandulis microscopicis clavatis ornata vel sub- 

 eglandulosa, in pluribus (sp. n. 11—16) pilis minutissimis 

 obverse clavelliforniibus obsita, saepe foveolata. (Species 

 aequatoriales vel subaequatoriales, plurimae amazonicae.) 



A. Discus glaber vel vix pilis singulis adspersus (in M. robusta) ; foliola 

 pilis clavelliforniibus nullis 



a. Flores parvi; inflorescentiae saepius fasciculatae vel subfasciculatae, 

 basi divaricato-ramosae 



aa. Foliola dentata, foveolata (sp. mexicano-boliviana, 

 praesertim novogranatensi-venezuelaua) 



5. M. scrobiculata Radlk. 

 bb. Foliola integerrima, efoveolata 



a. Foliola 6 — 10, oblongo - lanceolata (sp. ama- 



zoui(-a) 6. M. Speuceana Radlk. 



|3. Foliola 2— 4, elliptico-lanceolata vel subobovata, 

 acuminata, utrinque reticulato-venosa (sp. bra- 

 siliensi-guiauensis) .... 7. M. inei.egans Radlk. 



•f . Foliola 2, ovato lanceolata, acuta, crasse coriacea, 

 utrinque reticulato-venosa (sp. amazonica) 



8. M. robusta Radlk. 



b. Flores niajusculi, inflorescentiae axillares solitariae 

 aa. Foliola 2 — 4, pauciuervia, ex ovali lanceolata, ob- 

 tuse acuminata, margine revoluta, crassiuscule 

 coriacea, 1 — 3-foveolata, supra laevissima, splen- 



dentia (sp. suriuameusis) ... 9. M. laevigata Radlk. 

 bb. FolioJa 4—6, oblongo -lanceolata, subacuta, in 

 petiolulos basi tuniidos attenuata, margine revo- 

 luta, crassius coriacea, efoveolata, utrinque opaca, 

 hypodermate spurio instructa; flores breviter pedi- 

 cellati, pedicellis quani flores ipsi vix lougioribus 

 (sp. amazonica) 10. M. fallax Radlk. 



80 



