264 Ex berbario Hassleriano: Novitates paraguarienses. XVIII. 



Varietatibus «. gemina M. Arg. et s. parvifolia M. Arg. intermedia, 

 a priori foliis brevioribus brevius acuminatis ab ulteriori foliis duplo 

 latioribus brevi-acuminatis diversa. 



Paraguay: Liana fruticosa 8—10 m ad margines silvarum pr. Xu- 

 vera, flor. mens. Nov.; Hassler no. 11420. 



XXKV. Malvaceae IV. auct. E. Hasslor. 

 294. Malvastrum guaraniticum Hassler, nov. spec. 



Suffrutex; caules basi lignescentes, elati stricti, 1—1,5 m alti, basi 

 tantum ramosi, ramis simplicibus virgatis patenti-erectis, caules stellato 

 pubescentes, scaberrimi, castanei, pube flavescente, ad 5 mm crassi, 

 rami stellato -tomentosi scaberuli, viridi-canescentes; internodia 15— 

 30 mm, stipulae lineari-subulatae 4 mm longae, sicco brunneae, pu- 

 berulae; folia mediocriter vel brevi petiolata; petioli teretes scaberulo- 

 stellato-tomentosuli 4—11 mm longi; lamina ovata vel late ovata, basi 

 rotundata vel subtruncata, apice ± acuta vel acutiuscula, 20 /i2— o0 /40 mm 

 pleraeque 30—40 mm longae, herbacea, supra viridi-flavescens, pilis 

 stellatis scabro-puberula, subtus canescens pilis stellatis pubescens vel 

 tomentosula, quinque vel subseptem-nervia, nervis supra impressis subtus 

 prominulis, margine crenato-serrata. 



Inflorescentia interrupte spicata foliosa, e glomerulis in axillam 

 folii caulini sitis 2 — 3 floris saepe ramulo accessorio ad 10 mm 

 longo auctis, ramulo iterum 2-3 floro; flores brevissime pedunculati, 

 fere subsessiles; pedunculus vix 1 mm longus, pilosulus; bracteolae 

 lineari-setaceae hirsutulae, 3 mm longae fulvescentes; calyx floriger 

 campanulatus, angulato-plicatus 9 mm altus, ad medium in lobos latius- 

 cule ovatos apice acute acuminatos divisus, lobis supra basin 4 mm 

 latis, extus dense stellato tomentosulus, intus basi glaber lobis pubes- 

 centibus; petala obovata 8 mm longa obliqua, infra apicem 4,5—5 mm 

 lata, lutea, basi ad margines pilosula; androeceum totum 5 mm tubus 

 stamineus 3 mm hirsutulus; ovarium planusculum subcupulatum, 10— 

 12 lobum vix 0,5 mm altum, 2 mm diametro, styli 10—12 fere ad me- 

 dium coaliti. 



Carpidia matura compresso-trigona, apice brevi-aristata, aristula vix 

 0,5 mm alta, supra leviter incurva et dorso apice in cornicula bina elon- 

 gato-triangularia acutiuscula horizontaliter leviter divaricata producta, cum 

 corniculis dorsalibus 2,5 mm longa et 2 mm alta, costa dorsali paulo 

 prominula percursa, chartacea, supra et dorso dense fulvescenti-pilosula; 

 semen obovatum, testa cinerea laevi nitente. 



Species nova quoad inflorescentiam accedit ad M. interruptum K. Sen., 

 differt imprimis carpidiis dorso longiuscule bicorniculatis. 



Paraguay: In campis „Serrados", pr. Limeira, flor. et fruct. mens. 

 Maj.; Hassler no. 11227. 



295. Sida rupicola Hassler, nov. spec. 



Malvinda: Herba perennis; radix palaris flexuosa crassa; caules 

 plures flexuoso-erecti 50—80 cm longi, graciles teretes ramosi, basi 



