cyperus. CYPERACEAE. 671 



phyllo, phyllis selaceis reflexis; spiculis numerosissimis dense congestis patcniissimis 

 reflexisve ovato-Jance^olatis compressiusculis 4— 6-floris, basi bractea setacea spicula 

 breviore suffultis; squamis oblongis carinato - navicularibus obtusis, infra apicem mi- 

 nuJissime mucronaiis 11-ncrviis, oarina laia viridi, lateribus pallide fusco - stramineis 

 dense ferrugineo-lineolatis, squama inlima minore vaeua; stamhiibus 3, antheris lineari- 

 bus Qavescentibus : caryopsi ovata triquetra apiculata nitida castanea subtiiissime gra- 

 nulala, lateribus planis, squama duplo breviore; siylo profunde 3-lido fusco; rhacheola 

 hyalino-alata. — Ilabitat in Mexico (Hacienda de Mirador). 



35. C. DISGIGERUS Liebin. I. c. p. 24.+— Gulmo subpedali trigono glabro striato; foliis 

 culmo bfevioribus Imearibus, margine et carina scabris; umbella 7 — 11-rndkita , radiis 

 inncqunlibus. cxlcrioribus f%-pt>Uiearibus patulis, apice poly- (35— 50)-slachyis, ochreis 

 brevibus apiculatis; involucrd 7 — 9-phyllo rndiis mulloties longiore , pbyllis patulis 

 planis nervosis scnbris 7— 9 poll. longis; spicis oblongo-cylindricis ; spiculis dense con- 

 gejiis divnricatis reflexisve lineari-lanceolatis 5"' longis compressiusculis 7— 8-floris, 

 basi bractea subulata suflultis, disco depresse cylindrico insidenlibus, "mox deciduis, 

 discis rhacbeos persistentihus ; squamis elongato-ovatis carinato-navicularibus compres- 

 sis 9— 11-ncrviis, nervo carinali viridi in mucroriem brevissimum excurrente, lateribus 

 flavo-fuscis, squnmis 2 inlimis minoribus vacuis; slnminibus 2; caryopsi clliplica tri- 

 gona apiculala granulnta fuscn, dorso convexa, lateribus subplanis vel leviter concavis, 

 squama '/ 3 breviore ; stylo profundissime trifldo ; rhacheola flexuosn alternatim bialala, 

 alis bynlinis conniventibus caryopsin amplectentibus. — Habitat in Mexico (Oaxaca). 



36. G. SERTULARINUS "Liebm. 1. c. p. 23 + — Rhizonate crasso stolonifero; culnio 

 2'A— 3-pednli, bnsi folinto digilum minimum, sursum pennnm anscrinam crasso triquetro 

 glnbro strinto; foliis ciilmo brevioribus 5'" latis carinalis plicato-nervosis, supra glnbris, 

 subtus ad nervos, cnrinnm margines scabris; vaginis purpurascentibus glabris; umbella 

 decomposita 10-radiala, radiis inaequalibus, interioribus5 sessilibus, oxlerioribus 5 bi— 

 sexpollicaiibus crecto-patulis, umbellulis 3— 5-radintis, radiis sessilibus divaricatis, ter- 

 minali bipollicari, lateralibus 1— 1V 2 poll. longis polystachyis; involucro 10-phyllo, phyl- 

 lis umbellam superante 3'" latis carinatis ncrvosis, involucellis 3— 5- phyllis , phyllis 

 reflexis angustis umbellula brevioribus; ochreis x li — 1-pollicaribus compressis, apice 

 bifidis; spiculis numerosissimis in spicam elongniam cylindricam dense congestis diver- 

 gentibus, demum divaricntis, fncile deciduis, semipollicaribus compressis, linearibus, 

 utrinque acutis , 7 — 8-floris, basi braclea acuta suffultis; squamis imbricatis parum 

 squarrosis carinato-navicularibus oblongis, infra apicein brevissime mucronatis, obsolete 

 nervosis, carina fusco-viridi , lateribus fuscis, margiue hyalinis , squama infima minuta 

 obiusa vacua ; staminibus 3, filameniis persistentibus mcmbranaceis hyalinis; caryopsi 

 squama duplo breviore elliptica apiculata irigona, dorso convexa, lateribus planis, casta- 

 nea nilida subtilissime granulatn; stylo profundo 3-fido; rhachi communi post decnsum 

 spicularum tuberculata; rhacheola membranacea hyalino-alata, alis caryopsin amplecten- 

 tibus. — Habitat in Nicaragua. 



37. G. ANCEPS Liebm. 1. c. p. 25. adnot. + — Rbizomate obliquo tuberascente crasso 

 fibris longis validis instructo; culmo pedali triquetro striato glabro , basi foliato; foliis 

 culmum aequantibus rigidiuscuiis carinatis, margine sursum scabris; vaginis 2— 3-pol- 

 licaribus, basi rubcscentibus, ore membranaceo laxo truncatis; umbella simplici 8— 10- 

 radiata, radiis exterioribus 5-pollicaribus sesquipollicaribusve , intermediis sessilibus, 

 apice poly -(22— 28-) stachyis; ochreis 2 — 3'" fuscis apiculalis; involucro 5 — 7-phyllo 

 longissimo, phyllis inferioribus 6— 8-poU. ; spiculis in spicam pollicarem laxe cong-estis 

 patentissimis demum divaricatis compressis ancipitibus linearibus 5—6'" ldngis 5-floris, 

 basi bractea setacea 2 — 3'" sulTultis ; squamis oblongis compressis , infra apicem bre- 

 vissime mucronatis 7— 9-nerviis, carina viridi, lateribus ferrugineis , infima squama mi- 

 nore vacua; staminibus 3; caryopsi lineari-elliplicn trigonn npiculata fuscn sublilissime 

 punctulata, dorso convexo, lateribus planis, squama Vsbreviore; stylo caryopsi breviore 

 triliilo; rhacheola flexuosa alata, alis membranaceis conniventibus subhyalinis. — Ha- 

 bitat in Cuba insula. 



