575 
involntis tabeseentibus; earyopsi majuscula oboyata biconvera 
turgida transversim subtiliter undulato-rugosa Iuteo-fer- 
rugineaz vsostro partem fructus tertiam aequante et cum eo 
subeontinno ahbreviato -canico (haud compresso) gramulato- 
asperato suhalbio; stylo exserto, sed non elongato, profunde 
bifido; setis 6 antrorsum hispidulis earvopsi multo hrevi- 
oribus. 
‚R. pungens Liebm. Halver. p. 65 (con. n. 622.) 
Mexico. 
59. BR. Schaffneri Bcklr. - 
Pallide viridis; rhizomate elongato obliquo tenui fusco; 
culmo pergracili fliformi bipedali apiee 'submutante, inferne 
tiangulari, superne obsolete angulato, latere uno anguste 
eanalieulato, basin versus plnri- (6-) foliato; foliis herbaceo- 
vigidulis carinato-planis 1 lin. latis breviter acuminatis, 
marginibus earinaque prominente superne dentato-seahris, 
apice triquetris obtusinseulis, 5— 3 poll. long.; corymbis 5 
parvis eompositis compactis suhhiramosis, lateralibus remo- 
tissimis, pedunculis setaceis suhnutantihus pollicem eire, 
longis; braetea infima quadripollicari Iineam lata, superiori- 
bus gradatim brevioribns ar angustioribus; spienlis trihus 
pluribusve in ramulis brevissimis dense fascienlatis parvulis 
ovalis acufis monoearpis, sesquilineam circ. longıs:; squamis 
vvato-Janceolatis acufatis carinatis, interdum obsolefe mucro- 
nulatis, ferrngineo-brunneis opaeis; earyopsi minuta ohorato- 
orbieulata Ientienlari- compressa subliliter rugosa stramineo- 
v. Iuteo-fuscescente, rostro illa duplo breviore trianguları 
vix parım compresso ruguloso albido; setis subtilissimis 
earvopsi erostri aequilongis, non rare tabescentibus aut 
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