CONTRIBUTIONS KROM Mil. NATIONAL HERBARIUM. 



Paquita, alti- 



1815. 



Tond\ 5728; Puerto 

 Tondui 9795; Salinas 



8 Mariscus mutisii 11 I'. K V L815. 



,\ est L •• L864. 

 Distbibi ri"\ Tropical parts o! America. 



\ Rican collections Uajuelita, altitude 1,000 i 8844; Rio 



Tiril.i 



i If ariacqa etoenbwgianoa Boeckl. < l*. < larke. 

 • u Boeckl. Linnaea 36: 391 

 em [tonduzii] Boeckl. Allgem. Bot. Zeitschr. 2: 17. 1896, slender 

 variety excluded. 

 Sj.ii, cylindric, dense, digitate on each rather long ray of ih<- umbel; Bpike- 



i.ill. oblong, each maturing l to :'. tawny greenish nuts; glumes ovate, acute, 

 imbricated in fruit . Btyle 3-fid. 

 I Han nun noN Tropica] America, spa 



\ Rk w collections Nicoya, Tondiu L3743; El Rodeo d< 

 tude 900 meters, Tondiu L621. 



5. Mariscus ruf us " II. B. K. Nov. Gen. A: 8p. 1: 216. pi. 67. 

 ( vy/. 1 \hi<hii \ca<l. 5: 391 . I7">!t. 

 <),, foliiu Boeckl. Linnaea 36: 391. L869-70, in pari 

 Distbibi won: Common in tropical Africa and America. 



kbta llh \\ collections: Sipurio, altitude L60 meters, 

 l.iini'ii. Pxttier 1213; Boca Banana, Tonduz 9123; Lim6n, 

 Bay, Tonduz27l2\ San Carlos, Tonduz 2590. 



6. Mariscus manimae 11. B. K. C. B.Clarke. 



Cyperus manimat II. B. K. Nov. Gen. & Sp. 1: 209. l s l"> 



Cyperus spectabilis coarctatus Boeckl. Linnaea 35: 606 l s, >7 68, in part. 



Stolon thickened into a rhizome 3 to 1 nun. in diameter; spikee - to t. rather long- 



ped uncled, Conning a simple umbel, ovoid or cylindric, dense, tawny yellow green; 



spikelets oblong, maturing 3 to 7 outs; glumes ovate, obtuse, striate, at length 



obliquely spreading, nol caducous; style 3-fid; nul ellipsoid, trigonous, two-thirds 



to three-fourths as long as the glume. 



I USTBIBl n< »\ : Mexico. 

 6a. Mariscus manimae divergens II. B. K C. B.Clarke. 



Cyperus divergent II. B. K. Nov. Gen. cv. Sp. 1: 208. L815. 



Cyperus triceps Nees, Linnaea 19: 697. 1847. 



Cyperus euperrimus Liebm. Dansk. Vid. Selsk. Skr. 2: 30. 1849. 



Spikee sessile or short-peduncled; summit of stem, together with the bracts and 

 leaves, often densely or Bparsely hispid-scabrous. 



1 >i-n:iiu tion: In' »tit i;il America (with the Andes a I Quito) abundant. 



- \ Rican collections: Hoffmann 343; Cartago, altitude 1,400 meters, Tonduz 

 L0756. 



Les common in Central America in many varieties and forms. In my opinion 

 the following belong here. 

 6b. Mariscus manimae apiculatus Liebm. C. B. Clarke. 



Cyperus apiculatus Liebm. Dansk. Vid. Selsk. skr. 2:32. 1849. 



Keels of the glumes excurrent. 



6c. Mariscus manimae hartwegianus C. I'>. Clarke, 

 spike.- crowded into a single head; Bpikelets dark-i 



7. Mariscus jacquinii II. B. K. Nov, Gen. & Sp. 1 



■ > hermaphrodita Jacq. Coll. 4: 17 1. I T * »< » 

 Cyperus thyrsiflorus Jungh. Linnaea 4: 24. L831. 

 ]£ariscus longiradiatus Liebm. Dansk. Vid. Selsk. skr. 2: 



1. 10 to IJ-llowere.l. 



}16. 1815. 



II. - 



o The specific name ligularii is older and unoccupied. Editos 



