

CYPEREAE. Cyperus. 



55 



linearibus obtusis spicato-capitatis ; capitulis pedunculatis 

 reflexis. Mexico. 



626. C. SORDIDUS. Presl. (I. c.) Culmo obtuse tri- 

 gono; glaucescente erecto (l'/o-pedali) ; vaginis infimis 

 ovato-lanceolatis acutis aphyllis margine membranaceis ; 

 foliis angustis glaucis margine serrulato-scabris culmum 

 aequantibus; involucro 4-phyllo longissimo; foliolis culmeis 

 conformibus usque 15-decies longioribus; umbella 5 — 7- 

 radiata ; spiculis oblongo-lanceolatis 12-floris in capitulum 

 ovato-oblongum dense conglomerates ; squamis ovatis acutis 

 multineryiis , achenio oblongo triquetro, utrinque acuto 

 nigricante minutissime punctulato. Ij. California. 



627. C. TENUICULUS. Kunth. (Presl. 1. c. sub : 

 tenellus.) Radice longe fibrosa, caespitifera ; culmo tri- 

 quetro (3 — 6-pollicari), basi monophyllo ; foliis culmeis 

 angustissimis culmo brevioribus , fasciculorum ejus longitu- 

 dine, omnibus mollibus glaberrimis ; involucro triphyllo 

 umbella sub-4-radiata longiore ; radiis subtristachyis ; spi- 

 culis linearibus 16-floris ; glumis rotundato-ovatis obtusis- 

 simis mucronulatis 3-nerviis dorso fuscescentibus, lateribus 

 albidis, fructiferis apice distantibus ; achenio oblongo com- 

 pressiusculo apiculato nigricate punctulato. © California. 



628. C. SPIC1GERUS. Vahl. (En. 2. 300.) Culmo 

 aphyllo (lV 2 -pedali; tereti; involucri 6-phylli foliolo unico 

 ovato acuminuto, reliquis subulatis multoties brevioribus 

 umbella simplici 9-radiata; spiculis numerosis confertis 

 in spicam fere pollicarem, subulatis 4-floris parvis ; squamis 

 angustis margine membranaceis fusco-virescentibus. (Ob- 

 scura deienda species Kunth.) Brasil. 



629. C. PES AVIUM. Bertol. (Misc. bot. VIII. t.3. f. 1.) 

 Culmo tereti striato inferne vaginato subaphyllo ; umbella 

 decomposita inaequaliter multiradiata ochreata ; involucro 

 diphyllo ; spiculis exiquis 8-floris digitato-subquaternis ; 

 squamis oblongis obtusis retusis, lateralibus sanguineo- 

 rubellis. Alabama. 



630. C.GLAREOSUS. Liebm. (Mexic. Halvgras.p. 16.) 

 Kadice fibrosa ; culmis caespitosis trigonis glabris striatis 

 •— 4-pollicaribus basi foliatis; foliis 1—2 culmum sub- 

 aequantibus setaceo linearibus complicatis sursum margine 

 scabris ; vaginis subpollicaribus ore obliquis umbella com- 

 posite vel decomposita 6 — 16-radiata, radiis inaequalibus, 

 ongionbus 1 '/i — 2-polIicaribus, uno intermedio sessili, apice 

 — 12-stachyis vel nonnunquam umbellulam 3 — 5-radiatam 



gerentibus, radiis patentissimis % — *j 3 " longis intermediis 

 ~3 sessilibus, apice 5 — 8-stachyis ; ochreis oblique trun- 

 catis ochreolis in laminam setaceam abeuntibus; involucro 

 — 10-phyllo, foliolis inaequalibus, longioribus umbella 

 •inplo longioribus 3—6" longis, setaceis canaliculars mar- 

 ine scabris; involucellis 1— 3-phyllis setaceis umbellula 

 revioribus ; spiculis fasciculato congestis diver^entibus 

 meanbus compressis */," longis 10— 20-floris; squamis 

 nato concavis elongatis emarginatis trinerviis , nervis 

 <"a apicem in mucronem leviter recurvum sub lente bi- 

 urn quartam squamae partem longum abeuutibus, carina 

 ii lateribus basin versus obscure aurantiacis, margine et 

 Pice navescentibus ; caryopsi obovato-oblonga apiculata 

 sou "* tu1 ? erculat °-P unct ulata pallide fusca vel flavescente, 

 quama triplo breviore ; rhacheola flexuosa compressa an- 

 8 us te hyalino-alata. Mexico. 



cul ALCICUL0SUS - Liebm. (I.e.) Radice fibrosa ; 



elab" S ° a . es P itosis 2— 3-pollicaribus compresso-triquetris 

 »el h' S ^" atis ^ asi monophyllis; foliis culmo subaequalibus 

 umh r 1 ? vlonbus anguste linearibus planis carinatis glabris ; 

 nnii;!iM Capitata 1— 3-radiata, radiis inaequalibus % — l- 



s Pha "• ' ' nterDle ^i° sessili, apice polystachyis sub 

 2__o en " s (roagnitudine baccae Rubes nigri) ; involucro 

 (»/ "Phyllo umbellam superante , foliolis inaequalibus 



K I* ^-DollirnriK,^\ l: :i_ i- •_ ._i. • . v._.:„ u__ 



»ibos ."^ ' cari bus) linearibus planis glabris ; ochreis bre 

 eusto [ runc atis ; spiculis 16—25 fasciculate-capitatis an 

 6 toearibus compressis 3'" longis squarrosis 12—18 



floris ; squamis elongato-laneeolatis acumiuato-mncronatis 

 subuncinatis carinatis 7-nerviis , mucrone longitudine fere 

 squamae , carina fusca , lateribus flavo fuscis margine pal- 

 lididribus ; caryopsi elongato-obovata trigona apiculato- 

 tuberculato-punctulata fusca squama (excepto mucrone) 

 parum breviore ; rhacheola recta. Vera Crux. 



632. C. CYMBAEFORMIS. Liebm. (1. c. 20.) Radice 

 fibrosa ; rhizomate brevissimo ; culmo striato erecto com- 

 presso trigono glabro (6 — 7-pollicari) basi foliato ; foliis 

 culmo brevioribus anguste linearibus apicem versus margine 

 scabris ; vaginis brevibus membranaceis ore rotundato- 

 truncatis; capitulo solitario(magnitudineCerasi avium) poly- 

 (20 — 30-)stachyo ; involucro 7 — 8-phyllo longissimo, foliolis 

 patulo-reflexis, inferioribus 3 — 4-ppllicaribus; spiculis den- 

 sissime congestis ovatis flavo-albicantibus 14 — 16-floris; 

 squamis patulis curvatis anguste cymbaeformibus compres- 

 sis apice truncato-retusis , lateribus utrinque bisulcatis 

 flavo albicantibus ; stamine uno ; caryopsi squama l /j bre- 

 viore oblongo trigona acuta apiculata subtilissime granu- 

 lata atro-fusca ; rhacheola compresso 4-quetra flexuosa 

 angustissime alata. Granada Pitagaya. 



633. C.FULVESCEXS. Liebm. (1. c. 22.) Rhizomate 

 repente stolonifero; culmo triquetro glabro striato (1 — l'/j- 

 pedali) basi foliato ; foliis culmo brevioribus planis rigidis 

 sursum scabris; umbella sub-7-radiata , radiis inaequalibus 

 sessilibus usque l /» — 3-pollicaribus ; involucro 5-phyllo, 

 foliolis inferioribus umbella longioribus (3 — 4" longis) 

 planis carinatis sursum margine scabris ; spiculis patentis- 

 simis 6 — 9'" longis compressiusculis 16 — 25-floris, basi 

 bractea subulata suffultis; squamis imbricatis carinato navi- 

 cularibus compressis ovatis obtusis brevissime mucronulatis 

 7 — 9-nerviis , carina fusco virente , lateribus fulvo-ferrugi- 

 neis, margine irregulariter repando-hyalino ; caryopsi squa- 

 ma duplo breviore elongata trigona apiculata glabra fusca; 

 stigmatibus longissime exsertis; rhacheola flexuosa hyalino- 

 alata, alis involutis caryopsin amplectentibus. Mexico. 



634. C. OBESUS. Liebm. (1. c. 23.) Caespitosus; cul- 

 mis trigonis striatis basi foliatis (l 1 /;— 2-pedalibus) foliis 

 culmo duplo brevioribus erectis rigidulis anguste linearibus 

 setaceo-acutatis carinatis, apicem versus margine scabris; 

 vaginis bipollicaribns rubentibus glabris, umbella 5 — 8- 

 radiata , radiis inaequalibus , exterioribus 2-pollicaribus 

 patentissimis vel divaricatis , reliquis sessilibus ; involucro 

 5_8-phylIo, foliolo infiuio 6—9" longo 3'" lato piano 

 carinato , intimis angustissime linearibus vel subsetaceis ; 

 spicis elongato-cylindricis pollicaribus digitum crassis, basi 

 involucello 2— 3-phyllo , filiolis setaceis reflexis ; spiculis 

 numerosissimis dense congestis patentissimis vel reflexis 

 ovato-lanceolatis compressiusculis 4 — 6-floris basi bractea 

 setacea spicula breviore suffultis; squamis oblongis carinato- 

 navicularibus obtusis infra apicem minutissime mucronatis 

 11-nerviis, carina lata viridi , lateribus pallide fusco- 

 stramineis dense ferrugineo-lineolatis , squama infima mi- 

 nore vacua ; caryopsi ovata triquetra apiculata nitida 

 castanea subtilissime granulata, lateribus planis squama 

 dupla breviore, rhacheola hyalino-alata. Mexico. 



635. C. DISCIGERUS. Liebm. (1. c. 24.) Culmo tri- 

 gono glabro striato subpedali ; foliis culmo brevioribus 

 linearibus margine et carina scabris; umbella 7—11- 

 radiata, radiis inaequalibus , exterioribus 1 '/, -pollicaribus 

 patulis apice poly- (35— 50-)stachyis ; ochreis brevioribus 

 apiculatis; involucro 7— 9-phyllo radiis multoties longiore, 

 foliolis patulis planis nervosis scabris (7— 9" longis); spicis 

 oblongo-cylindricis; spiculis dense congestis divaricatis vel 

 reflexis lineari-lanceolatis compressiusculis 7 — 8-floris basi 

 bractea subulata suffultis, disco depresso cylindrico insi- 

 dentibus, mox d^ciduis, discis rhachecs persistentibus ; 

 squamis elongato-ovatis carinato-navicularibus compressis 



9 11-nerviis, nervo carinali viridi in mucronem brevis- 



simum excurrente, lateribus flavo-fuscis, squamis 2 infimis 



