132 MONOCOTYLEDONER. _ ERIANTHUS, 
triplo longior (14—18 mm. longa), ejus columna castanea secus spiras 
scaberula subulá pallidiore inferne grosse torta 2—4-plo brevior. 
Palea quam gluma IV* 3-plo brevior, ovata, ciliata. 
In Ameriez borealis civitatibus Florida (Chapm. in h. Boiss.), 
Carolina austr. (Ravenel) et bor. (Rugel), Indian Territory (Vasey). 
Hujus subspeciei forma typica à praecedentibus valde distincta ; 
intercedunt tamen specimina nulli rite inserenda e gr. Ravenelii in 
hb. Boiss. et Teinturieri in h. de Cand. 
Subspec. d. angustifolius; spieulze lanam involuerantem canescen- 
tem v. subviolascentem æquantes. Gluma IIe mutica, IV* ex apice 
integro v. minutissime bidentulo aristam imperfectam emittens. Lodi- 
cul:e glabrze. — Er. angustifolius Nees ! Agrost. bras., p. 316 ; Sacch. 
angustifolium Trin. Mem. Acad. Petersb. ser. 6, vol. 4, p. 92; E. sac- 
charoides y Neesii Hack. l. c., p. 258. — Culmi infra nodos ssepe 
pruinosi. Vagin® glabr& v. superne hirtule nodis glabris v. parce 
pilosulis. Ligula 3—4 mm. longa, glabra. Laminse e basi parum 
angustata lineares, plerumque 4—6 mm. late, glaucescentes, subtus 
læves, supra scabr&, glabr&, nervis primariis utrinque 2—4 promi- 
nentibus pereurs&. Articuli ad apicem usque ciliati. Spicule 5—7 mm. 
long, lineari-lanceolatze, pallide virides v. sordide violaceo-variegatze ; 
spiculæ sessilis gluma I= parum acutata, sine nervis intracarinalibus, 
glabra, II** acuta, glabra, nervis lateralibus superne cum medio con- 
junctis ; HF acuta; II“, HF et IV* glabræ. Arista spicula duplo lon- 
gior (12—14 mm. longa). Palea quam gluma IV" '/, brevior. Glumæ 
I: spiculæ pedicellatæ nervus medius brevis v. subobsoletus. 
In Brasilia meridionali (efr. Fl. bras.) et Paraguay (Balansa 299, 
302°). 
Subspec. e. biaristatus (Hack. in Mart. et Eichl. Fl. bras. 2, 
pars 3, p. 258 varietatis nomine); spieule lanam involucrantem ca- 
nescentem squantes v. superantes ; gluma Ill: szpissime aristata ; 
IV: bidentata aristam imperfectam e sinu emittens. Lodieule sæpius 
eiliolate. — Vagins hirtule, nodis barbatis. Ligula 1—2 mm. longa. 
Lamin® e basi angustata sublanceolato-lineares, 6—10 mm. late, 
utrinque pubescentes, basi longius barbatz. Spieule 6—7,5 mm. 
longs, lanceolatze, ex viridi et sordide violaceo variegatz; spieule 
sessilis gluma I"* longius acuminata, nervis intracarinalibus 2—3 
percursa, glabra; Il“ acuminata v. mucronata, nervis lateralibus ut 
in precedente; III* aristam illâ glumæ quartz?» 2—3-plo v. parum 
breviorem exserens, raro mutica (in eadem panicula mutieze et aris- — — 
