719 
79. 8. dioeeus Bcklr, 
Flavo-virens v. glaucescens; culmis numerosis faseien- 
latis subvalidis ereetis inaequalihus ex (ereti compressiusculis 
20—8 poll, alt,, versus basin inerassatis ibique vaginatis; va- 
ginis approximatis totis membranaceis onge apertis perfecte 
nudis testaceo-hrunnescentibus; eapitulo vnico laterali globoso 
5— 10 bin. diam,; involuero monophyli culmum continnante 
strieio teretinsculu acuto suhpollicari; spieulis diescis densis 
cylindraceo-oblongis teretibus obtusis 2 —3 Fin. long.; squa- 
mis membhranaceis (plurifariam) arcte imbricatis obovatis v. 
oblongis ohtusis mutieis obiuse carinatis subtiliter nerratis 
stramineis v. luteis castaueo-variegalis; (varyopsi minnta squa- 
mae partem tertiam vix superante orhiculato-obovata (rare 
ovali) acuminato-mucronata hine subangulato-convexa inde 
plaua, augulis obtusis, subeiliter reticu, ata cinereca nitidula; 
stylo longe exserto profunde tri-v. interdum bißdo, villosulo; 
stamin. 3. — Setae nullae. 
Isol. dioeca Kunth, 199. Z. nudo:a var. Nees, herb. 
£. Macrocephalus; culmo elatiore ec validiore, capitulo 
maximo 2 poll. crasso spienlisque pollicwribus eylindraceis. 
Prom. bon. spei (Eckl. et Zeyh. — Drege). 
80. 8. Thunbergii Beklr. 
Glancescens; rhizomate perbrevi v. quandoque elongato 
repente crasso nodoso (e culmorum hasi subconfluente con- 
structo), fibrillis radicalibus validis; culınis multis fascieulatis 
v. seriatis erectis inaequalibus 10— 15 poll. altis ex tereti 
compressis, ima basi tuberoso -incrassa is; vaginis pluribus, 
antice scariosis, tenniter nervatis cinnamorıeo-ferruginescentibus, 
inferioribus deerescentibus imncronatis fissis, suprema parum 
elongata subclausa ohlique trunoata fo.o terminata rigido 
subpollicari filiformi canaliculato, marginibus involutis sca- 
