Ex herbario Hassleriano: Novitates paraguarienses. XVIII. 277 



Forma latifolia Hassler, nov. forma. 



Foliorum limbo late orbiculari, saepius latiore quam longo 25/ 3Qi M/^ m m 

 pedunculis ad 35 mm longis. 



Paraguay: Natans in lagunis insulae Chaco-y, pr. Concepcion, flor. 

 et fruct. mens. Oct.; Hassler no. 7596. 

 Var. emersa Hassler, nov. var. 



Petiolo limbo aequilongo vel subbreviore, limbo obovato vel sub- 

 orbiculato, basi attenuato, '^/.,^ 20 / 18 mm petiolis 16—25 mm longis, 

 pneumatophori valde reducti et radiculae adsunt tantum in axillis infimis, 

 pedunculis 15 — 25 mm longis, flore et fructu var. gemmae nob. 



Gran Chaco: Talavera: Nasse Stellen, liegend, Bluten weiss, flor. 

 et fruct. mens. Aug.; Fiebrig no. 1239 in Herb. Hassler. 



307. Jussieua suffruticosa L. Sp. PI., 555. 

 Var. linearifolia Hassler, nov. var. 



Caule ramis foliisque obscure purpurascentibus minutissime pu- 

 berulis, laminis lineari-lanceolatis 60 / 3 , ia j 2 , 3 % mm calycis tubo et lobis 

 extus obscure purpurascentibus quam rami et folia densius puberulis, 

 capsula matura fere glabra, ± purpurascens. 



Paraguay: Camp San Luis, Bliiten gelb, Fiebrig no. 4128 in Herb. 

 Hassler. 



Fine an ihrem Standorte zeitenweise der Trockenheit ausgesetzte 

 idaher wohl auch die Purpurfarbe aller vegetativen Teile), schmalblattrige 

 Form dieser sonst nur nasse Stellen bewohnenden Sumpfart. 



308. Jussieua brachycarpa Micheli Flora, 1874, p. 302 emend. Hassler. 

 Var. genuina Hassler, nov. var. 



Hirsuto-pilosa, calycis tubo ad 8 mm longo hirsuto, lobis ad 12 mm 

 longis, 7 mm latis, petalis evolutis ab auctore haud visis 20 mm longis.. 



Paraguay: In stagnis pr. San Bernardino, flor. mens. Febr.; Hass- 

 ler no. 6064. 



Var. paraguayensis (Chod.) Hassler. 



J. paraguayensis Chod. PI. Hassl., I, p. 71. 



Hirsuto-canescens, calycis tubo ad 7 mm longo hirsuto-piloso, lobis 

 8—10 mm longis, 6—7 mm latis, petalis 16 /i 5 mm capsulis pilosulis. 



Paraguay: In dumetis humidis pr. San Bernardino, flor. et fruct. 

 mens. Aug.; Hassler no. 739. 



Var. puberula Hassler, nov. var. 



Minute puberula, calycis tubo ad 8 mm longo puberulo, lobis pu- 

 berulis, 11 nim longis 4 mm latis, petalis ad 20 mm longis, capsula 

 immatura minute puberula. 



Gran Chaco: In campis humidis ad ripam occidentalem fluminis 

 Paraguay, flor. mens. Oct.; Hassler no. 2449. 



Subspec. epilobioides (Chod. et Hassler) Hassler, nov. subspec. 



Cbique minutissime puberula, foliis quam in praecedentibus multo 

 angustioribus lineari-lanceolatis, apice acutis mucronulatis basi attenuatis, 

 *>revissime petiolatis 40—50 (20—60) mm longis 2—3 (1 — 4) mm latis, 

 calycis tubo et lobis minute puberulis, capsulis minutissime puberulis. 



