684 CYPERACEAE. 



LIMNOCHLOA. 



obliquis apiculatis; spicula terminali ovata oblusa 2 — 2 1 /,'" multiflora, squamis multi- 

 fariis imbricatis ovatis truncato - ohtnsis saepe emarginatis concavis uninerviis , circa 

 nervnm non excurrentem stramineum incrassatis, lateribus mernbranaceis dilute ferru- 

 gineis, margine subhyalinis; staminibus 3, anlheris linearilms acutis; caryopsi obovata 

 biconvexa iruncata straminea subtilissime striolato-cancellata, tuberculo calyptraeformi 

 compresso fusco caryopsi latiore eaque longiore terminata; stylo profunde 3-fido fusco 

 fibrilloso ; setis 5 caryopsin aequantibus retrorsum ciliatis. — Habitat in Nicaragua 

 (ad Segoviam). 



2. L. (ELAEOCHARIS) EQUISETOIDES Torr. mss. (?) ex A. Gray, Manual of the bol. 

 of the North. Unit. Slaates 521. — Culmo tereti nodosO - articulato , articulis multis 

 decussatis (knotled as if joinlcd by many cross parlilions) hipcdali, pennam anseiinnm 

 crasso; achaenio glabro tuberculo conico-rostrato apiculato; spica pollicari vel longiori. 

 — In America boreali (Michigan, Rhode island). 



VII. SCIRPUS R. Br. 



(Knth. Enumer. II. 157. & 537. — VVlprs. Annal. I. 901 .) 



1. SC. POLYCOLEUS D.e Notaris, Ann. des sc. naiur. (3. Ser.) IX. p. 326. — Annuus : ra- 

 dice fibrosa multiculmi; culuiis tennibus trigono-filiformibus (vix pollicaribus) , vaginis 

 membranaceis lota fere longitudine tectis, basi subbulbiformibus; vaginis inferioribus 

 aphyilis squamaeformibus , supremis longioribus foliolum mucioniforme vcl filiformi- 

 elongalum exserenlibus; spica solilaria, s|mrie lalerali ovata obtusa pauciflora, invo- 

 lucro diphyllo cincta ; involucri foliolo inferiore e basi dilalala filiformi , culmo plc- 

 ruinque longiore, superiori subspathaceo ovalo -lanceolato concavo, nervo viridi ex- 

 cuirenle fuspidato ; squamis ovalis obtusis concavo-carinatis meinbranaceis pallidis, 

 nervo mucronalis; siaminihus sligmatilmsque tribus nucuia obovalo- triqueira , trans- 

 vcrse rugosa nnda. — Crescil in Aegypto. 



2. SC. ULIGLNOSUS C. Koch, Linnaea XXI. 620. f — Repens: culmi ferliles cum slerili- 

 bus erectis aequilongis commixti; vaginae tenuissiiiio membranaceae aph\llae; spiculac 

 ovato-oblongae paucillorae; glumae obtusae magnae, sprculani dimidiam amplectentes; 

 setae hypogynae nullae; slylus bifidus longituditie irium staminum. — Crescit in pa- 

 ludosis prope Artahan alt. 5000 ped. in Oriente septenlrionali. 



3. SC. RRACIIYCERAS Hochst. mss. in A. Richard. Tent. flor. Abyss. II. 496. - Caudice 

 repentc horizontali subterraneo ; culmis ereclis ciespitosis leretibus, 4—8 pedes altis 

 nudis enodibus. basi vaginis 1—2 acuiis, oblique truncatis vestitis glabris glaucis ; 

 spicis ovalibus acutis subsessilibus et quasi umbcllam decompositam ifformanlibus ; 

 bractea parva convoluia acuta , culmo continua ad basin umhcllae ; spicarum multi- 

 florarum squamis castaneis imbricatis ovalibus aculis, apicn apiculatis, margine tenui 

 subintegris ciliolatis, dorso unincrviis subcariuatis ; sctis 6 planis apicc truncatis ; 

 achaenio lenticulari triquetro glabro laevi. — Habital in Abyssiniae rivis et paludibus 

 propc Adoua. 



4. SC. OLNEYI A. Gray, Roston journ. of nat. hist. V. 238. adn. Pc Manunl of the bot. 

 of tbe North. Unil. Staates 526. — Culmo triangulari-alato, faciebus cximie excavalis, 

 rigidis (2— 7-pedalibus), vngina superiore foiiuni breve uiangulaie vcl nullum gercnte; 

 spjois 6 — 12 densc capitalis ovoideis obtusis folio iuvoluci ali basi superatis; squamis 

 orbicularihus glabris, apiculo inconspicuo mucronato qnam apex scariosus hrc\iore (!!)• 

 anihetis apiculo bievissimo obtuso barbato superaiis ; stylo bifido; setis sex, achac- 

 nimn obovntum plano-convexum mucronalum vix aequantibus. — Affinis Sr. triquetro. 

 — Habitat in America boreali (Hhode island, New Jersey etc). 



