. 128 MONOCOTYLEDONEJ. ERIANTHUS. 
longz, apice pilosule, basi fimbriate, subtus glaberrim&, supra 
minute puberulz, margine læves, costa media uninervi munitæ, nervo 
laterali primario utrinque uno, valde prominente, secundariis 2 vix 
prominulis percurs:e. Panicula anguste linearis, 4—6 cm. longa, sub- 
spiciformis, pauciramea, ferrugineo-nitens, rhachi communi compressa 
superne pilosula; rami solitarii, brevissimi, arrecti, simplices. Racemi 
subsessiles, 1,5—2 em. longi, 2—4-articulati, crassiusculi, laxiflori ; 
rhacheos internodia spiculis duplo brevioria laxe breviterque rufo- 
ciliata; pedicelli 1—2 mm. longi, lineari-elavati, crassiusculi, toto 
dorso marginibusque pilis ipsos s:equantibus rufis tecti. Spiculæ late 
laneeolatz,, 6—7 mm. longæ, villos involucrantes rigidulos ferrugi- 
neos densos duplo superantes, ceterum pallide viridule, opacse; 
gluma I»: membranaceo-chartacea, a medio aeutata, obtusiuscula, 
integra, flexuris tota longitudine pilis mollibus ferrugineis gluma 
2—3-plo brevioribus ciliata, dorso inferne et ssepius supra medium 
breviter ferrugineo-pilosa, apice brevissime albo-penieillata, praeter 
nervos earinales manifeste 4-nervis, nervis percurrentibus, superne 
sæpe nervulis interjectis brevibus auctis ; II membranacea, late lan- 
ceolata, acutiuscula, vix carinata, margine dorsoque breviter ferrugi- 
neo-pilosa, 5-nervis ; II quam I= paullo brevior, lanceolata, acuta, 
enervis, dorso margineque pilosula ; IV* HI" simillima; palea minu- 
tula. Stigmata 2,5 mm. longa, prope medium spiculæ exserta. 
Paraguay : Caaguaza in pratis uliginosis ; Balansa 231. 
V. ERIANTHUS Michx. Fl. bor. am. 1, p. 54. — Kunth. Revis. Gram. 
l, p. 160, Enum. 1, 478. — N. J. Andersson in (Efvers. K. Vet. 
Akad. Fórhandl. Stockh. 1855, p. 160. — Benth. et Hook. Gen. 
Pl. 3, p. 1126. — Ripidium Trin. Fund., p. 169. — Spodiopogon 
Fourn. Pl. Mex. 2, p. 52 non Trin. 
Racemi subcompositi in paniculam axi commune plerumque elon- 
gata racemos inferiores multo superante dispositi, sessiles v. inferio- 
res pedunculati, pluri—multiartieulati, rhachi articulata sæpissime 
fragili raro tenaci. Spiculze ad quemvis rhacheos nodum bins, prima- 
ria longiuseule pedicellata, à pedicello demum soluta, secundaria 
sessilis et cum rhacheos articulo aecumbente demum decidens v. 
rarissime breviter pedicellata a pedicello solubilis, utraque uniflora, 
2,a dorso leviter compressa, aristata. Gluma I** et IE sequales, 
muticz : I^^ dorso plana, marginibus inflexa (inde bicarinata); II“ 
carinata, 1—3-nervis ; II vacua, mutica v. mucronata ; IV* ex apice — | . 
