(545) R. GHOÜAT KT E. HASSLKR. PLANTA HASSLI£tUAN/E. 85 



no satisfactory dividing line can be drawn between Bignonia unguis-cati and 

 B. exoleta, and that they must therefore be regarded as forms of one species. 

 unless the hypothesis of Schumann as lo the existence of a number of natural 

 bybrids be correct; there is no évidence, however, in support of thi s hypothesis. 

 — T. A. S. 



Macfadyena mollis Seein. 



Journ. Bot. I, 227, in nota; Fl. Bras. VIII, 2, 293. 



Liana fruticosa 6-20 m. Corolla lutea. In silva Pacoba. Sept., n. 4504; prope 

 Concepcion in dumeto, Sept., n. 7529a (fruct.): ibid. ad ripam fl. Paraguay. 

 Sept., n. 7529. 



Macfadyena dentata K. Schum. 



Engl.-Prantl Natürl. Pflanzenf. IV, 36, 227; Fl. Bras. VI«, 2, 292. 



Frutex scandens 3-5 m. Corolla lutea. In dumelis ad ripam riv. Estrella in 

 regione cursus superioris fl. Apa, Dec. n. 8238. 



Macfadyena Hassleri Sprague, sp. nov. 



Ab affini M. molli, Seein., calyce breviore angusliore glabro, corollis capsu- 

 lisque minoribus recedit. 



Frutex scandens 1-5 m. altus, ramis lenticelloso-tuberculatis striatis, junio- 

 ribus puberulis; folia conjugata, cirrho terminali clausa; petiolus circa 1 cm. 

 longus (7-15 mm.), supra applanatus pubescens; petioluli 2-5 mm. longi: 

 lamina obovata vel elliptica, apice rotundata retusa vel breviter acnminata. 

 4-6 cm. longa, 2-3 cm. lala, mucronulata, supra glabra vel glabrescens, subtus 

 pubescens tandem glabrescens; pseudostipuli e basi lato subulati, 2 mm. longi: 

 flores in axillis solitarii; pedicelli 12-16 mm. longi, bracteolis lanceolatis 

 2-6 mm. longis ; calyx unilateraliter fissus, 10-15 mm. longus, 6-9 mm. 

 latus (in specimine exsiccato compresso), extra gl aber vel basi tan tum minute 

 puberulus, intus glandulosus; corolla lutea tubuloso-infundibuliformis, tubo 

 3,5-4,5 cm. longo extra glabro intus piloso, lobis sub-orbicularibus, 11-14 mm. 

 diametro, sparse ciliolatis, plus minus retusis; stamina 5,5 mm. supra basin 

 inserta, filamentis basi incrassatis pilosis, anlheris divaricalis 3-3,5 mm. longis; 

 ovarium oblongo-ovoideum 3 mm. longum, 4-sulcatum, minute denseque 

 lepidotum; ovula circa 8 pro série; discus 1-1,3 mm. altus; capsula oblonga 

 12,5 cm. longa recta, val vis nervo mediano prominente percursis crasse 

 coriaceis. 



Prope Concepcion in dumeto, Sept.. n. 7538, 7539; in dumetis in regione 

 cursus superioris fl. Apa. Dec. n. 82396; ibid. in arenosis prope Bellavista. 

 Dec, n. 8239. 



Melloa pop'uli folia Bur. 



ex Benth. et Hook. f. Gen. PI. II, 1035; Fl. Bras. VIII, 2, 295. 



Frutex scandens 3-12 m. Corolla aurea. Ad marginem silvae, San Bernardino, 

 Oct., n. 3353. Corolla lutea. Prope Concepcion in dumetis, Sept., n. 7450, 

 7442; inter frutices in campo in regione cursus superioris fl. Apa, Febr., 

 n. 8445. 



Nom. vernac. Mbaracaya puapé. 



TECOME/h: 

 Dolichandra cynanciioides Cham. 



Linnsea VII, 658; Fl. Bras. VIII, 2, 302. 

 Liana fruticosa 8-12 m. Corolla atro-purpurea. Ad ripam lacus Ypacarai, 

 Aug., n. 3147. 



