CYPERUS. 



CYPERACEAE. 677 



radiis pntulis longioribus 'A— -/3 poll. longis sparse rnmosis, roliqnis scssilibus; invo- 

 lucellis 5— 7-phyllis, phyllis umbellulns subaequantibus vcl longioribus; ochreolis 

 1—2'" longis compressis apice bifhlis; splculis numerosis (12—18) approximatis patu- 

 lis 7—10"' longis compressiusculis 10— 12-floris, basi braclea setacra suffultis; squa- 

 mis oblongis concavis obtusis, infra apicem brevissime mucronulalis, (mucrone obluso 

 ap.cem squamae vix altingente) obsolete nervosis, dorso fusco - virentibus, lateribus 

 fusco - stiamineis, inflma minore vacua : staminibus 3 exsertis. lilamentis longissimis 

 membranaceis hyalinis, antheris ovatis; caryopsi parum exserta elongata trigona npi- 

 cata, lateribus anticis planis, dorso convexo, castanea sublilissime punctulnto - striata; 

 slylo Jonge trifido; rhacheola arliculata fragillima, articulis facillime secedentibos bre- 

 vibus obovalis excavatis, bivalvis fusca (?), vnlvis rotundatis connivontibus. — Ilabitat io 

 Mexico (Vera Crnz). 



"" Papyrus Thouars. — Alis rhacheolae deciiluis. 



57. C. MEXICANUS Liebm. Mexicos Halvgraes pag. 39. f — Culmo tripedali et insu- 

 per basi digitum minimum <:rasso trigono glabro striato, basi foliato; foliis culmum 

 vix aequantibus complicatis margine scabris; umbella supradecomposila amplissima 

 patentissima, universali circiter 10-radiata, radiis 6 — 11 -pollicaribus compresso-tiigo- 

 nis, anlice acutangulis, postice convexis; umbellulis 5— 6- radiatis, radiis 3 — 5 poll. pa- 

 tulis paniculato - ramosis, ramis racemoso - spicatis polystachyis; involucro circ. 10- 

 phyllo, phyllis inferioribus 18 poll. longis, 3 — 5'" latis scabris; involucellis 2—3- 

 phyllis, phyllis radiis brevioribus; ochreis ly 2 -pollicaribus, basi compressis, apice bi- 

 parlitis; spiculis horizonlnlibus divaricatisve flexuosis, bractea lanceolatn 2'" longa suf- 

 fultis nnguste linearibus compressis acutis 7—9'" longis multi- (45—55) - floris ; squa- 

 mis distichis densissime imbricatis carinato - navicularibus compressis ovatis obtusis 

 vel brevissime mucronatis obsolete .9 - nerviis, nervo earinali viridi, dorso castaneo, 

 lateribus albido - hynlinis membranaceis, demura deciduis; staminibus 3; caryopsi ovali 

 trigona fusca subtilissime granulata squama 3 - plo breviore; stylo longissimo tripar- 

 tito; rbacheola flexuosa, alis viridibus utrinque acutis lanceolatis deciduis. — Ilabitat 

 in Mexico ad St. Marin Tlapacoyo. 



f §pecies valde dnbia, 



58. C. PES AVIUM Bertol. Misc. bot, VIII. tab. 3. fig. 1. (ex Schlcht.II. Uot.Ztng. VIII. 709.) 



— Calamo tereti striato, inferne vaginato subaphyllo; umbella decomposita inaequa- 

 liter raultiradiata ochrcata; involucro diphyllo; locustis exiguis lanceolatis 8-iloris 

 djgiiato - subquaternis; squarais oblongis obtusis retusis, lateribus sanguineo - rubellis 



— Alabama. 



f f Icone§ addendae. 



C. FILICINUS Vahl. — Knth. 1. c. 14. no. 35. — C. Xuttallii Torr. Flor. of New York 

 II. 339. tab. 135. 



C FONTANESII Knth. 1. c. 5. no. 8. - Bertol. 1. c. tab. 4. fig. 2. 



C. PHYMATODF.S Mhlnbrg. — Knth. I. c. 62. no. 105. — C. repens Ell. — Torr. I- c 

 311. tab. 137. 



C. STRIGOSUS Linn. — Knth. I. c. 87. no. 227. — T orr. I. c. 340. tab. 136. 



