MARISCUS. 



CYPERACEAE. 679 



reflexis setaceis, margine dorsoque scabris, intlmo 5— 6-pollicori ; spiculis densissime 

 congestis patenlissimis. demum reflexis oblongis compressiusculis3-noris, basi bractea 

 atrosanguinea brevi sufiultis, flore tcrminali tabesccnte : squama infimn insequenti mi- 

 nore obtuso-truncata vacun , feriili late ovata compresso-carinato-nnviculari, infra api- 

 cem brevissime mucronulata ? — 9-nervia, nervo carinali viridi -fusco, lateribus purpu- 

 reo-castaneis. maigine apiceque dilutioribus; staminibus 3; caryopsi squama duplo 

 breviore elliptica trigona apiculata glabra olivaceo - nigricante; stylo trifido; rbacheola 

 flexuosa bynlino-alala. — Habiiat in Cordilleris (summis alpibus) iMexicanis. 



7. M. (Anomali) ASPER Liebm. I. c. p. 41. f — Culmo pedali et insuper (15-poIl.) triquelro 

 slriato , toto aspenimo, basi foliato; foliis culmo brevioribus planis 5-nerviis, pagina 

 superiore ubique, inferiore modo ad nervos scabridis; umbella simplici 8 — 9-radiata, 

 radiis plerisque sessilibus dcuse cjlindraceo-spicalis subpollicaribus patulis. nonnullis 

 breviter pedunculalis; involucro 8-pbyllo, phyllis inacqualibus patulis scabris, inferio- 

 ribus 3'/ 2 poll. longis; spiculis brevibus 2'" longis patenlissimis oblongis teretius- 

 culis bifloris, bnsi bractea minuta subulnta spicula 3-plo breviore suffuliis; squama in- 

 fima obtusa vacua, ferlilibus ventricoso-oblongis carinalo-navicnlaribus , apice rotun- 

 dniis. infra npicem brevissime mucronulatis II - nerviis, nervo carinali viridi , Iateribus 

 imprimis apicem et marginem versus rufis, bosin vcrsus pallidioribus , ipso mnrgine 

 hyalinis; staminibus 3, filamentis planis membranaceis diiute fuscis ; caryopsi oblonga 

 trigona apiculata mitmtissime granulata fusca, squama x k — x U breviore; stylo 3-fido; 

 rhacheola alata, alis trinerviis hyalino-virentibus. — Habitat in Mexico (Chinantla). 



8. M. (Anomali) TRIDRACHIATCS Liebm. 1. e. p. 12. f — Culmo bipedali et alliori tri- 

 quelro glabro slriato, basi foliato; foliis culmum subaequantibus 3—4'" laiis carinatis 

 nervosis, utrinque ad nervos cariuam margineque scabris; umbella 10-radiata, radiis 

 longioribus 4 tri — bipollicnribus apice triramosis, ramis divaricalis spicato - polysla- 

 chyis diphyllis; spica intermedia 1 — l'/ 2 - pollicari , laterajibus % poll. longis, reiiquis 

 sessilibus simpliciter spicalis; involucro 9-phyllo longissimo, phyllis inferioribus 12—15- 

 pollicaribus; ochreis in laminnm 4—6'" continuatis; spiculis numerosissimis 3"' longis 

 patentissimis demum reflexis unitloris compressis, bnsi braclea, setacea sutlullis; squa- 

 mis 3 — 4, infima minula vacua, altera fertili 1%"' longa oblonga nnviculari - carinata 

 compressa mucronata 11-nervia, nervo earinali viridi,, lateribus pallide fusco-stramineis 

 rufo - lineolatis, margine hyalinis, tertia quarta mhioribus neulris; staniinibus 3, anihe- 

 ris linearibus obtusis fuscis; caryopsi elliptica trigona acula fusca, squama plus duplo 

 breviore; stylo exserto trifido. — Habitat ad Costa rica. 



9. M. (Anomali) PALLENS Liebm. 1. c. p. 42. f — Culmo 6-8 - pollicari triquetro glabro 

 striato, basi foliato ; foliis culmo brevioribus anguste linearibus, superne margine sca- 

 hris; umbella 8— 9-radiaia . radiis inaequalibus brevibus, exlerioribus semipollicnribus, 

 opice spicato-poly - (30— 38) - stachyis; ochreis brevibus truncatis; involucro 8-phylIo, 

 phyllis margine scabris, inferioribus 4— 5- pollicaribus ; spiculis per spicas compositas 

 oblongo - cylindricas dense congestis. palentissimis subterelibus subuiatis 2 1 /*'" longis 

 trifloris, flore terminali tabcscenie, basi bractea subulala suffultis; squamis oblongis 

 caiinato-navicularibus, apice subemarginatis , ncrvo carinali in mucronulum perbrevem 

 excurrente, 11-ncrviis. laleiibus sordide slrammeis pallidis; squama infima minori va- 

 cua; staminibus 3; caryopsi ellipiica irigona apiculata minutissime granulata pallide 

 fusca , squama duplo breviore; rhacheola llexuosa alatn , alis hyalinis. — Habitat in 

 Mexico (in distr. Oaxaca). 



10. M. (Anamali) AMBIGUUS Liebm. 1. c. p. 43. f — Rhizomate repente; culrao 8— 10-poI- 

 licari triquetro glabro striato, basi foliato ; foliis culmo brevioribus angusie^ lincaribus, 

 marginc scabris; umbella 5 — 6-radiata, radiis brevissimis subsessilibus, uno alterove 

 srmipollicari , apice cylindrico-spicato-poly-(18-20)-stachyis; involucro 4-phyllo, phyl- 

 lis inferioribus 2— 3 - pollicaiilms ; spiculis patenlissimis divaricalisve 2'/ 2 '" longis sub- 

 cylindraccis 3-floris , basi bractea brevi subulata suffultis; squamis carinato-naviculari- 



