Tragia. 51 



triangularis vel triangulari-ovatus, acuininatus, basi aperte et profunde cordatus, grosse 

 et satis regulariter serrato-dentatus, puberulus et hispidulus, basi 5-nervius; stipulae 

 lanceolatae, 2 — 5 mm longae. Inflorescenliae 1 1/2 — 1^2*^^ longae, hispidulae, eglan- 

 dulosae vel sparse glanduligerae , graciles, basi florem Q unicum gerentes, ceterum 

 (;f, pedunculatae vel sessiles; bracteae (^ inferiores 2 mm fere longae, superiores bre- 

 viores, lanceolatae, acutae, Q ovatae; pedicelli (J^ 2 mm longi, prope basin articulati, 



sub fructu 3 mm atlingentes. Flos (j^ 2 mm latus; sepala 3, elliptica, acuta; sta- 

 mina 3, rarius 2; filamenta crassa; ovarii rudimentum nanum. Sepala Q 6, inaequalia, 

 elliptica, acuta vel lanceolata, margine glanduligera; ovarium hispidum; styli vix ad 

 medium connati, papillosi, revoluti. Capsula 1 2 — I 6 mm diametiens, depressa. Semina 

 subglobosa, 5 mm longa, variegata. 



Atlantisches Nordamerika, von Kentucky und Missouri bis Florida; 

 auf trockenem, steinigem Boden. — Kentucky (R. Peter!, Short!); Tennessee, 

 Nashville (Curtiss n. 2518!); Arkansas (Engelmann n. 1129!); Florida (Curtiss 

 n. 6478!). 



27. T. amblyodonta (Müll. Arg.) Pax et K. Hoffm. — T. urticifolia Torr. Bot. 

 U. S. Mex. Bound. Surv. (1858) 200 ex parte. — T. nepeti folia \ar. amblyodonta Müll. 

 Arg. in DC. Prodr. XV. 2. (1866) 934. — T. dentata Klotzsch in Sched. — Frutex 

 volubilis, 1 — 2 m altus; caules graciles, juveniles pubescentes et ± hispiduli. Petiolus 

 1 — 1 V2 cm longus, gracilis, pubescens; limbus 3 — 7 cm longus, 18 — 40 mm latus, 

 triangularis, acuminatus, basi ±: aperte cordatus, grossiuscule serrato-dentatus, pube- 

 nilus et parce hispidulus, basi 3 — 5-nervius; stipulae 1 — 3 mm longae, trianguläres 

 vel lanceolatae. Inflorescentiae aut bisexuales, 1 — 2 cm longae, basi florem Q unicum 

 et plures q^ gerentes, aut ad 4 cm longae, omnino q^, basi bracteam ^ sterilem 

 proferentes; rhachis cum pedicellis hispidula et glandulis stipitatis zh ornata; bracteae 

 (5* I mm longae, ovatae, Q bibracteolatae, lineares, acuminatae, basi cum bracteolis 

 incrassatae, 1 Y3 mm longae; pedicelli 1 Y2— 2 mm longi, (^ supra basi articulati. Flos (j^ 



1 V2 ™"i latus; sepala 3, elliptica acuta; stamina 3; filamenta crassa, conica; ovarii rudi- 

 mentum parvum. Sepala Q 6, linearia, pilis albis, longis vestita, 2 mm longa; ovarium 

 pilis setulosis 6-seriatim dispositis obsitum; styli basi connati, tenues, laeves. Capsula ignota. 



Mittelamerikanisches Xerophytengebiet: Neu Mexiko (Wright n. 1793). 

 Mexiko, Nuevo Leon, Hacienda El Carrizo, 400 m (Pringle n. 10351!). — Im Botan. 

 Garten Berlin 18 40 in Kultur!. 



Nota. Affinis T. cordatae. 



2 8. T. tenella Pax et K. Hoffm. n. spec. — Herba volubilis Y2 — * ™ *"^*) caules 

 tenelli, ramosi, velutino-cinereo-pubescentes. Petiolus 3 — 6 mm longus, pubescens; 

 limbus 2 — 3 cm longus, 8^15 mm latus, ovato-triangularis, acutus, basi truncatus, 

 ieviter cordatus, serrato-dentatus, in costis pubescens et insuper hispidulus, basi 3-nervius; 

 stipulae 2 — 3 mm longae, lanceolatae. Racemi oppositifolii, 2 — 3 cm longi, basi ad 

 long, fere 1 cm nudi, deinde florem Q, unicum, demum (^ plures proferentes; rhachis 

 tenella, hispido-pubescens et dense glanduligera; bracteae lanceolatae, (^ K^litnm^ Q 

 i mm longae; pedicelli (j* 1 Y2 "^fi^ longi, supra basi articulati, Q sub fructu 3 — 4 mm 

 altingentes, mox recurvi. Flos (^ 2 mm latus; sepala 3, ovata, acuta; stamina 3: fila- 

 menta conica, brevia; antherae extrorsae; ovarii rudimentum exiguum. Sepala Q. 6, 



2 mm longa, lanceolata, acuta; ovarium setosum; styli supra medium connati, superne 

 sublaeves. Capsula setosa, coccis 3 mm longis. Semina globosa, 1^4 wm diametientia. 

 In iisdem specirainibus capsulae normales sunt et pro parte carpidiis 2 abortivis fruetus 

 unilocularis, monospermus, 4-cornutus. 



Südbrasilianische Provinz: Paraguay, Gran Chaco, Santa Elisa (Hassler 

 n. 2G881); vielleicht gehört hierher auch Flossdorf n. 68 von Nueva Pompeya. 



29. T. gracilis Griseb. in Nachr. Gesellsch. Wiss. Göttingen 1865. 176; Müll. 

 Arg. in i)C. Prodr. XV. 2. (1866) 935. — Tola tenella, subproslrata vel volubilis; 

 caules et rami rigidule filiformes, puberuli. Petioli limbo 4 — (J-plo breviores, cum 

 limbo pilis longis, albidis hispido-pubescentes, racemi autem fere glabri; limbus 8 — 12 mm 



k* 



