(70) E. HASSLER. PLANTA PARAGUARIKNSES. 725 



Inflorescentia praecoci, paniculis amplis floribundis, floribus pro sec- 

 tione maximis, foliolis numerosis valde peculiaris. 



Suffrutex 0^3-0,4 m . petala albo-ochroleuca, in campis pr Yhu, flor, 

 sed. aphyllus mens. Oct. Hassler no 9497 ; folia eod. loco in mens. Dec. 

 lecta. — id. Hassler n° 4556 sub. S. suffriiticosa in PI. Hasslerian. 11 p. 181. 



Une Sterculiacée nouvelle des câmpos de Caaguazu. 



"Waltheria macrophylla Hassler spec. nov. 



Radix lignosa apice ad 30 mm. crassa ; caides plures ascendentes vel 

 erecti, flexuosi, 30-38 cm. longi, sublereles apicem versus leviter com- 

 pressi, basi lignescenles + glabrescenles, cc. 5 mm. crassi, cortice rimoso 

 caslaneo obtecti, superne pube slellatata, densa, cano-fulvescente, hispi- 

 dula vesLili ; iniernodia 3-7 cm. longa ; stipulœ lineari-lanceolatae aciilae, 

 15 mm. longse basi cc. 2 mm. latse, castanese, extus hispido pilosse, 

 inlus puberulse; folia subconcolora, sat longe peliolata, suprema et 

 inferiora minora, mediana maxima ; petioli 25-40 mm. longi, cras- 

 siusculi, supra canaliculali, eodem indumenlo ul caules superne, 

 praediti; lamina orbicularis vel orbiculari-reniformis, basi subcordata 

 margine irregulariter grosseque dentalo-crenala, in foliis supremis 

 et imis 50/50, 70/55 mm.,' in foliis medianis 140/150, 150/180, 

 160/160 mm., indumenlo variabili, supremis i. e. novellis, supra pube 

 densa fulvescente asperula, subtus pube cana densa submolli, in nervis 

 pube subferruginea fulvescenli, in foliis medianis supra pilis stellatis 

 fulvescenlibus basi in veruculam sitis, asperrimo-puberula, sublus pilis 

 slellalis albidis, in nervis fulvescenlibus, asperulo-pubescens, in foliis 

 imis, eodem indumento ut folia mediana sed sparsiore vestita, subsep- 

 lemnervia, nervis supra impressis, sublus prominenlibus. 



Inflorescenlia terminalis vel e nodis superioribus axillaris 1-2 cm. 

 longe pedunculala, e dichasiis pluribus capiluliforme congloméra lis, 

 composiLa, cincinnis prophyllis tribus difformibus auclis, exterioribus 

 ovalo-lanceolalis cc. 7 mm. longis et 3 mm. lalis, interioribus linearibus 

 cc. 4-5 mm. longis et 0,3-0,5 mm. lalis, extus hispido-pilosis, intus pube- 

 rulis, auclis. 



BULi.KTiN UK i/hki'.hieh BoissiER, 1)0 9, 31 août 1907. 47 



u 



