Thinouia. 423 



eaudata Vell. Fl. Flum. I. (1825) 160 n. 5 (reimpr. 1881, 152) et Icon. IV. (1827) t. 31, 

 in Ind. meth. (1840?) indet. relicta (cf. Radlk. Monogr. Serj [1875] et Suppl. [1886], 

 v. indic. et Monogr. Pauli. [1895 — 1896] Spec. excl. 331). — Handschia sp. Pohl 

 mss. in Hb. Vindob.; cf. Lit. gen. — Thouinia macroptera Cäsar. Nov. Stirp. Bras. 

 Dec. V. (m. Apr. 1843) 45 n. 43 (»leg. Riedel«); Walp. Rep. V. (1845-1846) 366 n. 2; 

 sub Thouinia incl. in Endl. Gen. Suppl. IV. 3. (1847) 78, in Benth. et Hook. Gen. et 

 Baill. Hist. 11. cc. — ? Serjania spec. Netto (1863) 1. supra (in lit. gen.) c. — Thinouia 

 spec. Radlk. Monogr. Serj. (1875) 47, 60 quoad Pauli, spec. Vell. supra indic. 353 

 et Fl. Bras. XIII. 3. (Fase. 113, 1893) 344 quoad Serj. spec. Netto. - Scandens, fruti- 

 cosa, subglabra; rami subteretes, striati, novelli subangulati, pube pulverulenta canes- 

 cente vel (praesertim in forma 4.) e cinnamomeo fuscescente induti, cortice cinerascente, 

 lenticellosi; folia 3-foliolata; foliola ex oblongo lanceolata (praesertim in forma 1.) vel 

 angustius (in forma 2.) latiusve ovata (in forma 3. et 4.), breviter acuminata, subacuta 

 vel obtusa, petiolulata, subintegerrima (in f. 1.) vel rarius (in f. 2.) crebriusve (in f. 3. 

 et 4.) dentata, dentibus in foliolis lateralibus inaequilateris saepius ad latus exterius 

 tantum 1 — 2 obsoletis, chartacea, nervis lateralibus utrinque 4 — 6 libro sclerenchy- 

 matico instruetis subarcuato-adscendentibus percursa, reticulato-venosa, venis inter- 

 dum transversalibus, e viridi (forma 1.) glaucescentia (forma 2.) vel fuscescentia (forma 

 3., 4.),glabra, nee nisi subtus in axillis nervorum inferiorum pilosula, epidermide paginae 

 superioris sparsim duplici, paginae inferioris interdum (in forma 3.) sparsim crystallo- 

 phora, cellulis epidermidis mucigeris subpellucide areolata (praesertim in forma 4.); 

 thyrsi cirrosi vel ecirrosi, parum densiflori; fruetus maximi, ex obeordato euneati, 

 loculi lenticulares, obsolete et laxe reticulato-venosi, intus glandulis clavatis crebris 

 adspersi, alae certe quadruplo longiores, apicem versus sensim dilatatae vel ad medium 

 latissimae. 



Frutex super arbores scandens. Truncus 5 — 8 cm crassus, sulcis profunde exaratus 

 5 — 7-costatus, costis hie illic anastomosantibus intus corpora lignosa secundaria, nunc 

 singula ad 1 cm crassa, nunc plura superposita exhibentibus (cf. Schenck 1. c. t. 3 

 f. 31—34; Radlk. Serj. Suppl. t. 2 f. 15?), cortice e subfusco incanescente, lenticellis 

 crebris conspieuis saepius in strias tumidas transversales 1 — 2-centimetrales produetis. 

 Rami thyrsigeri diametro 3 mm. Folia petiolo 3 — 5 cm longo adjeeto 12 — 16 cm longa, 

 fere totidem lata, interdum (praesertim in forma 3.) subduplo majora; foliolum terminale 

 petiolulo nunc breviore nunc longiore adjeeto 8 — 15 cm longum, 3 — 4,5 cm latum, 

 plerumque in petiolulum atyenuatum (in forma 3. petiolulo 2 cm longo excluso 13,5 cm 

 longum, 10 cm latum, basi rotundata petiolulo insidens), foliola lateralia paullo minora, 

 petiolulis brevioribus insidentia; stipulae minimae. Thyrsi 3 — 7 cm longi, cincinni 

 glabriusculi. Flores inter majores. Calyx subfuscus, subglaber, margine tantum 

 puberulus, intus glandulis adspersus. Petala oblongo-spathulata, crenulata, intus 

 squamulaeque laterales dense villosa, albido-virescentia. Discus glaber. Stamina basi 

 pilosa, antherae papilloso-scabrae. Pistillum apice puberulum. Fruetus e viridi 

 rubescens, 5,5 — 7,5 cm longus, axis stipite 0,5 — 1 cm longo incluso 5 — 6 cm longus, 

 loculi singuli 1— 1,3 cm longi, 8 — 9 mm lati, intus glandulosi, alae 4 — 5 cm longae, 

 apice vel infra apicem 1,6 — 2,3 cm latae. Semen oblongo-lenticulare, testa fusca. 



Formas 4 discernere par est: 



F. 1. genuina Radlk. in Sitzungsb. bayer. Ac. VIII. (1878) 282 {Thouinia scandens 

 Camb. [1825] 1. c): Foliola oblongo-lanceolata, subintegerrima, viridia. 



F. 2. racemosa (Vell.) Radlk. I.e. {Paullinia racemosa Vell. [1825-1827]; Hand- 

 schia Pohl mss. [1825]; Thouinia macroptera Cäsar. [1843]): Foliola oblonga vel sub- 

 ovata, obsolete 2 — 3-dentata, plus minus glaucescentia vel livescentia, lateralia margine 

 interiore saepius rectiuscula. 



F. 3. eaudata (Vell.) Radlk. 1. c. [Paullinia eaudata Vell. [1825-1827]): Foliola 

 ovata, saepius permagna, insignius et crebrius dentata, fuscescentia, epidermide paginae 

 inferioris saepissime crystallophora, fruetus maximi. 



