46U 



CONTRIBUTIONS FROM INI. NATIONAL HERBARIUM. 



9. SCIRPUS I 



n.it 



a a mint us. 

 nthus. 



Spikelets with several or many perfect flowers; lowest one or two glumes sometime! 

 empty, those next succeeding bisexual, perfecting nuts, the uppermost imperfect; 

 glumes in several spirals, glabrous except marginally; style 3 or 2-fid, its h 

 enlarged, but passing gradually into the t"|» of the ovar) Sheaths of tl 

 *" ciliate or bearded al the orifice. 



ies 136, diffused all over the world. 

 Style persistent, its branches 3, rather Long 

 Style deciduous, its branches -. very short 



1. Scirpus iniindatus I'-'ir Encyc. Suppl. 5: l<>; 1817. 

 Ttolepu inundate R. Br. Prod. Fl. Nov. Boll. 1: L , - , •- , . 1810. 



• II B K. Nov. Gen. & Sp. 1: 220. L815. 

 ant Poir. Encyc. Suppl. 5: lot 1817. 

 - m 2 i" 20 cm. long, monocephalous; spikelets 2 to 1 1, capitate, 4 to 8 mm. long 

 hypogynous bristles none; style 3-fid; nut oblong-obovoid, minutely conic-rostrate 

 smooth, yellow brown. 



DisTRiBt pion: Australia, New Zealand, and western South America 

 Costa Rican collections: Poas, altitude 2,500 meters, Pittier, 

 L0760; lra/u. altitude 2,300 meters, Pittu - 



2. Scirpus niicranthus Vahl. F.niim. 2: 254. L806. 

 Tsokpis micrantha Roem. A Schult. 2: 110. L817* 

 Hcviicarpha rubsquarroM Nfees in Man. Fl. Bras. 2 1 : 61. pi. ;./. /. l- 

 TtoUpit cutspitiila Liebm. Dansk. Vid. >d>k. Skr. 2: n». 1849. 

 Distribi n<>\: Angola; also frequent in almost all parts of America. 

 Costa Rican collection: Talamanca, altitude 100 meters, Tond\ 



common. 



Tondui 



M - ''I -■ [RPUS TO UK LOOKED Ful! I\ < OSTA RI< \ 



s. [rpi - i i bensis Kuntli. Enum. 2: 172. 1837. 

 Anosporum eubenn Boeckl. Linnaea36: 413. L869 70. 



idocarpus cubentu Klotzsch; B<><-ckl. Linnaea 36: 414. L869 70, .^ synonym. 

 Tsolepis echinocephala Oliver, Trans. I. inn. Soc. 29: L67. pi. in: . 1875. 

 Spikes globose, dense ; loosely umbellate; bypogynous bristles none; style bifid. 

 Distribution: Tropical Africa and America, frequent. 



10. FUIRENA Rottb. 



< Iharacters of Scirpus except as to the 3 inner hypogynous bristles, i li<>«* being obovate 

 and shaped like petals. — Stems nodose above the base and leafy. Inflorescence not 

 umbellate. Glumes aristate, hispid-pi] 



Species 35, dispersed in the warmer parts of the whole world. 



I. Fuirena umbellata Rottb. Descr. & Icon. 70 pi. /'> [i. »■.. second pi. />'|/. •'. 

 177:;. 

 Dibtribi won: Common in almost all warm countri< 



< -i-i \ Rn w i Di. i i.i noNs: Talamanca, altitude loo meters, Fondm *»l?l?J : Matina, 

 Pittier L0316. 



11. DULICH1UM I.. C. Rich. 



Spikelets 5 to 8-flowered ; glumes in 2 ranks; hypogynous bristles 6 to-8; style long, 

 it- base passing gradually into the summit of the ovary, its branches 2, short; nut 

 oblong, plano-convex. Stem rather Btout, closely jointed throughout; the lower 

 sheaths ending in a leaf, the upper in a bract. Rachilla as in Torulinium breaking 



