(241) R. CHODAT. LA VÉGÉTATION DU PARAGUAY 195 



urnboiie papilloso coronata, circumscisse operciilata, ciiciillo rellexo 

 vagina demum lacerata. 



Flores (fig. 195, 196) pedicello in aiithesi vaginaiii '/s snijcraiitc, ad 

 3 mm. longo. Ovaiium ellipsoideiim 2 mm. loiigum, 1-5 mm. crassiim 

 carpidiis duobus inaêqiialibus,sessile,lœve, stigmatihus diiobiisbrevibus 

 diiplo loiigioi'ibus quam latis, ovato-acutis. Stamina 2 in andi-oplioru 

 ovario haiid breviora filameiitis liberis antberas longitiidliie ^cqnanlilnis ; 

 antheme ovario duplo breviores. Capsula 2,5 mm. longa valvis 

 insequalibus, qiia staminibiis opposita apicem versus paulo dilatata 

 nervis 8 longitrorsum striata, nervis lateralibus i. e suturœ validio- 

 ribus S formiter curvatis, medianis i. e audrœceo adversis pauh) iiiagis 

 prominentibus et angustioribus. Perigonii sqnanue filiformes capsula 

 breviores, intermedia anllieras ax{uaiis vel paulo superans. 



Hab. in rupibus inundatis cataract. Yguazu ad confines Argcnliii;r. 



Affinis Podostetnotii Wanningii Cliod. et Visclier a qiio differt 

 babitu majore, internodiis, capsulse forma et nervatione (n" 338, Chodat 

 et VisciiER). 



Podostemon atrichus Chod. et Vischer. 



Aflinis Podoslemoni Ghn-ioii'iuxo Warm. a quo difîert stipulis 

 acutissimis, foliis baud pilosis inde nomen. Cfr. Icônes et descriptio- 

 nem supra datos (fig. 170, 171, 172, 181, 182) (no 340 et 337, Chodat 

 et Vischer). 



Apinagia yguazuensis Chod. et Yiscber. 



Caulis disco basilari aftixus e radice liorizontali substrato adiiato 

 lineari ramosa vel ssepius simpli fngaci natus, foliis decurrentibus 

 plus minus alatus, dorsiventralis (fig. 184, 185, 186) bine inde curvaliis 

 2-4 cm. longus. Folia inferiora plus minus disticba. interdum oniina 

 disticha, alla planis diversis disposita, suiii'ema sa'pe quasi involuci'um 

 formantia, omnia basi longe vaginata, caulem amplectantia et cuni eo 

 concrescentia, inde caulis e basibus foliorum concrescentibns constans 

 vel vaginibus foliorum indutus. Pars caulinaris i)lanta' inlerior sal 

 incrassata subcoriacea elastice cartilaginea, corpuscnlis siliceis cai-ens, 

 lineis in zig-zag dispositis notata, lamina plus mimis llabdlala \i\ 

 longior quam lala irregidaritei' complicato-simiaio repaiida, lobis 

 latiusculis integris vel fasciculo loborum folii liliformiiim, siiiqilicium 

 haud longe a margineortorum; interdinii lamina magisclongala. diiplo 

 vel triplo longior quam lata, rarissime in lobos lineari -liliroriiii'> 



