Ex herbario Hassleriano: Novitates paraguarienses. X. 51 
Gran Chaco: In dumetis ad ripam fluminis Pilcomayo, fruct. mens. 
Jul. Rojas no. 367 in Herb. Hassler. (Specimen in eodem rai lo 
foliolis oblongo-lanceolatis, ovato-oblongis, late ovatis, ellipticis et sub- 
orbicularibus, apice acuminatis, obtusis, rotundatis vel retusis auctum); 
id. Chaco septentrionalis sine loco, Fiebrig no. 1316 in Herb. 
Hassler. Spec. foliis annotinis foliola maxima ad '/, cm. 
Forma mollis (Sprague) nob. 
Var. 8. elliptica Sprague forma mollis Sprague, Pl. Hassl., II, p. 540, 
quoad indumentum. 
Foliolis in foliis hornotinis qui tantum adsunt, supra et subtus mol- 
liter densiuscule pubescentibus, novellis albido-tomentosulis. 
Paraguay: Hassler no, 7435, Pl. Hassl., Le Foliolis ellipticis apice 
obtuse rotundatis vel retusis. Gran Chaco: Puerto Talavera, in trockenem 
Xerophytenwald, flor. et fruct mens. Sept. et Oct., Fiebrig no. 1315 in 
Herb. Hassler. Foliolis ovato-oblongis vel ovatis, manifeste obtuse acu- 
minatis. 
182. Arrabidaea anguillulicarpa Hassler, nov. spec. 
Microcarpaea. Liana fruticosa ope cirrhorum (10—12 m ex collectore) 
alte scandens; rami hornotini recti, teretes, cortice albido-isabellino ni- 
tente, sparse lenticellifero obtecti 2—4 mm crassi; manifeste striati, 
25—35 cm longi; rami adulti, striis minus manifestis, cortice cineras- 
cente flavescente, lenticellis pro rata numerosioribus obtecti; cirrhi e folio 
evidenter ternato transformati in speciminibus nostris lignosi tantum ad- 
sunt, in ramis apicalibus ramis hornotinis similes, in ramis inferioribus 
ramis adultis similes, basi ad 5 mm crassi, versus apicem sensim de- 
crescentes et fere flagellares 10—12 cm longi; rami hornotini et adulti, 
cirrhique glaberrimi; phylla stipulas simulantia haud conspicua; folia 
omnia simplicia, internodiis sat longis 2—9 cm separata, longiuscule 
petiolata; petioli vulgo 2 (1—3) cm longi, supra canaliculati, subtus 3- 
sulcati et striati, basi leviter dilatato applanati, praeter lepides minutas 
glabri; lamina ovato-oblonga, obovato-oblonga, obovata vel elliptica 99/,,, 
120/70, 159/75, 1499/4, mm basi obtusa, rotundata vel subtruncata, apice acuta 
et in acumen subcuspidatum acutum rarius subobtusum, minutissime 
mucronulatum producta, concolora, tenuiter membranacea, supra nitidula 
viridia, subtus paulo pallidiora opaca, supra et subtus etiam novella, 
lepidibus exceptis glabra, subtus in axillis nervorum tantum pilosula, 
margine valde variabili, in eodem ramo adsunt folia margine integra, 
margine leviter undulata, margine basi integra apicem versus serrata, 
margine basi undulata et a medio vel infra serrata, margine basi et 
apicem versus integra vel undulata, medio tantum serrata, penninervia, 
nervis subtus prominentibus, costa mediana more petioli usque fere ad 
medium 3-striata, postea 2-striata et apicem versus simplex, nervis late- 
ralibus patenti erectis utroque latere vulgo 7—8, paulo ante marginem 
arcuato-anastomosantibus, ut costa glaberrimis et laete eburneo-albi- 
cantibus, 
4* 
