248 CYPERACEAE juss. (Abildgaardia.) 



95 (fVall. Cat. n. 3i91.) et in Linnaea 9. 289. Scirpus schoe- 

 noidcs Koenig m Roxi. Flor. Ind. 1. 223, e.xcl. syn. Retz. (fide 

 Nees.) A. coniprcssa Presl. in Rel. Haenk: 3. 179. (v. in herb. r. 

 Berol.) Nees ab Esenb.^in Linnaea 9. 289. (Jide specim.) Cy- 

 perus caribaeus ct C. indicus Rich. in Pers. Syn. 1. 65. A. 

 indica Nees ab Esenb. in Linnaea 9. 289. Xyris brasiliensis 

 Spreng. Nov. Prov. 48. (test. LinJc. Jahrb. 3. 81 et herb. reg. 

 Berol.) — India orientalis, Amcrica calidior, Antillae, Nova Hol- 

 landia, Luzonia, Cap. b. spei. 7\. — Glauco-viridis. Culmi te- 

 retiusculi?, sulcati. Folia acuta (nec obtusa, ut Neesius in 

 planta indica dcscribit). Spicae solitariae, rarissime geminae 

 (fide Nees.). Stamina 1-3 (in spcciminibus amcricanis 1 vel 2, 

 in indicis et capensibus scmpcr 3 observavi; Neesius contra in 

 indicis et luzoniensibus nonnisi 2 vidit.). Achcnia magis mi- 

 nusvc perspicue tuberculosa, magnitudine variabilia, in specimi- 

 nibus amcricanis saepius dimidio minora, in brasiliensibus tamcn 

 duplo majora quam in indicis. A. monostachya Vahl. herb. fol. 

 2 est Fimbristylis schocnoidcs Vahl. 



2. A. APHYLLA. Culmis cacspitosis, filiformibus, sulcatis, 

 glabris, basi vaginatis, aphyllis; spicis solitariis-ternis, sessili- 

 bus, ovato-oblongis, acutatis, comprcssis ; involucro nullo; squa- 

 mis compresso-carinatis, latc ovatis, acutis, fuscescentibus, ca- 

 rina trihervia et viridula, ad latcra sanguineo-nubeculosis, gla- 

 bris; achcnio pyriformi, trigono, umbonato, transvcrsim rugu- 

 loso, albido, margaritaceo-nitido. — Brasilia. — Stamina 3. Sty- 

 lus trifidus, ciliatus, basi pyramidato-incrassatus. 



3. A. PlLOSA Nees ab Esenb. in lAnnaea 9. 289. Culmis 

 caespitosis, triangularibus? (tcretibus Willd.), sulcato-angulatis, 

 glabris, basi foliatis ; foliis culmo brevioribus, lincaribus, planis, 

 subtus vaginisque hirtcllo-pubesccntibus, ore barbato-pilosis; 

 spicis compluribus (circiter 12), capitato-congestis, ovato-oblon- 

 gis, acutis, compressis ; involucro subtriphyllo, capitulum supe- 

 rante; squamis compresso-carinatis, ovatis, acutato-mucronatis, 

 dorso trinerviis, supernc ad latera sanguineo-ferrugineis et hir- 

 tellis, carina viridi; stylo trifido; achenio transverse undulato 

 (tcst. Valil.). Schoenus pilosus Willd. Phyl. 1. 3. /. 1. /. 3 et 

 herb. n. 1095. Vahl. Ennm. 2. 208 et herb. — Guinca, Sene- 

 gambia. 2\, — Staniina 3. Dcscriptio juxta spccimina Vahliana. 



4. A. TIUSTACHYA Vahl. Enum. 2. 297 et herb. Nees ab 

 Eseni. in IVight. Bot. 95 et Linnaea 9. 289. IVUld. herb. n. 1278. 

 Culmis triangularibus, sulcatis, glabris; foliis culmo breviori- 

 bus, canaliculatis, laevibus (ex Vahl.) ; spicis 3 vel 4, umbclla- 

 tis, una sessili, rcliquis pedicellatis, oblongis, acutis, compressis, 

 fructifcris spiraliter tortis; involucro submonophyllo^ brevi, mar- 

 gine scabro, rigido; squamis compresso-carinatis, late ovatis, 

 acuto-mucronatis, dorso obsolcte 9-ncrviis, straniineo-pallidis, 

 glabris; achenio subrotundo-pyriformi, stipitato, trigono, apicato, 

 subtilissime reticulato, tuberculato-asperato, pallide fusco, ni- 



