

It 



. Die systeraatische Stellung der Gattung Briquetia. 



187 



Briquetia (Hochr.) emend. Hassler in Bull. Soc. bot Geneve JI (1910) 

 p. 29 = Anoda Cav. sect. Pseudosida K, Sch. in Engl, nnd Prtl., Nat. Pfzfam. 

 Nachtr. p. 289. 



Flores hermaphroditi, pentameri, bracteolis suffulti. Calyx 5-fldus, 

 area papillosa luunitus, lobis in fructu maturo reflexis. Petala obliqua, 

 obovata, calyce 3 — 4-plo longiora. Androeceum calyce duplo longius; 

 tubo staminali calyce aequilongo. Ovarium 7 — 9; vulgo 8-merum, 8-locu- 

 lare, ovula solitaria pro loculo, pendula, anatropa, raphe dorsali. Styli 

 tot quot carpidia, androeceo longiores, basi infima coaliti. 



Carpella matura trigona, dorso rotundata, apice intus leviter protracto, 

 apice extus gibbere dentiformi lateraliter compresso, apice aristula brevi 

 munito, aucta, basi hamis duobus sursum incurvis praedita; maturitate 



c 



Briquetia denudata Chod. et Hassler. 



A. Frucht mit losgelostem Carpid 2:1. 



B. Saulchen mit losgelostea Carpiden 8:1. 



c) Am Bauche und an der Basis losgelostes Carpid 

 c') Stellung des voUstandig losgelosten Carpids. 



.-" 



ab axi centrali ventre, basique usque ad medium dorsi secedentla et ope 

 flli tenuissimi columellae adhaerentia; dorso apice dehiscentia, septis 

 lateralibus perforatis. Semen trigonum glabrescens. 



Herbae perennes elatae, pauciramosae, stipulae breves lineares, folia 

 ovata, late-ovata vel suborbicularia, rarius subtriloba, basi cordata, apice 

 acuminata, superiora subsessilia inferiora longe-petiolata, petiole foliorura 

 inferiorum laminae longiore. Inflorescentia terminalis, ample paniculata. 

 Species unica adhuc nota, Brasilae et Paraguariae incola: 

 Briquetia denudata (Nees et Mart.) Chod. et Hassler in Plant. Hassl. II, 

 296 (1905), — Sida denudata Nees et Mart, in Nov. Act. Nat. cur. XI. 100. 





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