321 



i 

 i 



erect!, stricli, alato- tetragon!, § — 1| ped. Iongi. Folia 

 ovata, lanceolato-elliptica laneeolatave, acuta, sessilia, su- 

 pra plana, subtns nervo medio et veuis utrinseeus 3 •— 

 4 arcnatis promincntibus leviter ltneata; intemodia circi- 

 ter aequantia,a medio eaule sursum decrescentia ; floralia 

 ergo minora, basi latiora; capitulum terminate involucran- 

 tia bina, eo nunc paulo nunc duplo longiora, saepius re- 

 flexa; maxima lafissimaque 2 { poll, longa, f poll, lata. 

 Stipula brevis, arete vagmans, sinu interfoHaceo angusto 

 selis trilms inslrncla, media 3 — 4 lin. longa, lateralibus 

 minimis. Setamm loco in glaberrima varielafce lobus fo~ 

 liaceus acutus, dente subsolitario utrinque inslructns. 

 Flores laxe capital! et in summis axillis vcrticillati. Ca- 

 pitiila iis Scabiosae Columbariae aequalia, alia minora. 

 Pseudo-verticilli saepius in ramos abeunt oppositos, ax~ 

 illares, capituliferos, saepe foliis, caule semper breviores, 

 *arius unico foliorum pari instruclos. Corolla inftmdibuli- 

 formis, 4 — 5 En. longa. Tubus calycem paulo supe- 

 *ans, intus propo basin cingulo villoso instmctus. Limbus 

 quadrifidns; laciniis late lanceolafis, obtusiusculis, extns 

 birtellis, apice subbarbatis, in varietatc glaberrima glabris, 

 mtus semper villosis. Stamina 4, inter lacinias corollinas 

 mserta, iisque paulo breviova. Filamenta lilifonnia, gla- 

 bra. Antberae lineares, medifixae, versatiles. Stylus ca- 

 pilfaris, glaber corollam superans, apice bifidus, siigmati- 

 ous haud incrassatis. 



Spewnacoce (Borreria) Poaya (Aug. St HH. pi. lis. 

 tn 12.) stipulis setaceo-mullifidis floribusque multo mino- 

 Hbns differt. Spermacoce (Borreiia?) gentianoules Ejusd. 

 '• e«. stipulis acutis spbacelaio-denlatis, caule suflrulxcoso 

 ramoso difterre videtur. 



10. Boukeru Sideritif N. 



In Brasiliae acquinoctialis arenosls unicum specimen 

 legit Sellow. 2fr. 



