8 ARKIV FOR BOTANIK. BAND 10. w:o 17. 
carinat®, striate, glaberrime, livido-virides, internodiis sub- 
duplo breviores; ligula 1 mm longa, truncata, glabra, margine 
fissula; lamine lineares, usque ad 15 cm longe, 2—4 mm 
late, breviter acutat®, mucronulate, rigidule, plane vel sice. 
complicate, leves, glaberrime, margine scaberule, subtus 
pallide glaucescentes, tenuinerves. Spathze proprie acutiu- 
scule, superne dilatate, membranacee, striatule, glaberrime, 
pallide brunnez, pedunculo glabro, apice clavato, albido lon- 
giores. Racemi breves, ad 3 cm longi, laxi, basi vaginati, 
graciles, primo subrecti, deinde valde flexuosi, insigniter longe 
crebriterque albo-pennato-pilosi, qua re species primo intuitu 
recognoscenda, 5-articulati, articulis tempore, quo cadent, 
valde curvatis, gracilibus, 6 mm longis, superne 0,8 mm latis, 
junioribus albido-rubellis, denique pallide brunneis, dorso 
glabris, marginibus longe patenter crebriterque albo-pilosis 
pilis 3—4 mm longis, ima basi leviter barbatis, appendice 
insequaliter bifido, ciliato. Spicule sessiles lineares, articulis 
paululo breviores vel eos zquantes, 5—5,5 mm long, pallide 
fusco-virides. Gluma I. lanceolato-linearis, 5,5 mm longa, 
margine anguste implicata, sensim acuminata, vix mucronu- 
lata, membranacea, dorso glabra, subnitida, in carinulis scabra, 
inter nervos 2 carinales validos tenuiter 2- vel 4-nervis; gluma 
II. primam subequans, lanceolata, cymbiformis, acuta, cari- 
nata, carina crebriter scabro-ciliata, margine ciliata, 3-nervis, 
nervis lateralibus tenuissimis; gluma III. secunda paulo bre- 
vior, 4 mm longa, lineari-oblonga, ciliata, 2-nervis, nervis 
tenuibus; gluma IV. ad basin usque fissa, laciniis lineari- 
lanceolatis, 3 mm longis, acutiusculis, ciliolatis, e sinu aristam 
emittens pergracilem, ad 15 mm longam, columna vix exserta, 
5 mm longa, subula vix torta. Anthere 3, una reliquis magis 
evoluta. Spicule tabescentes pedicellis insidentes gracilibus, 
fere 6 mm longis, primo erectis, denique valde recurvatis, 
dorso glabris, pallide violascentibus, marginibus sicut articuli 
pilosis, ad glumam primam redacta scabram, viridem, 1,5 mm 
longam, subula 2 mm longa instructam. 
Prov. Rio Grande do Sul, Junccäo ad oppidum Rio Grande, 
in campo arenoso cum Androtricho et aliis sparsim occurrit, 
legit G. O. MALME, 3. 4. 02, sub numero 1590 Exp. II Regn. 
Es sind bisjetzt drei unsrer Spezies nahe verwandte 
Andropogon-Arten aus Brasilien bekannt: Andr. consangui- 
neus Kuntu, Andr. condensatus H. B. K. und Andr. gracilipes 
