6 ARKIV FOR BOTANIK. BAND 10. w:o 1%. 
Andropogon (subgen. Schizachyrium) Juxurians n. sp. 
Tafel 1, Fig. 1; Tafel 6, Fig. 2. 
Perennis, dense cz&spitosus, innovationes, ut videtur, 
intravaginales. Culmi erecti, metrales vel ultra, robusti, in- 
ferne diametro 4 mm, paulo compressi, glaberrimi, leves, szepe 
pruinosi, rubelli, multinodes, e nodis superioribus ramos gig- 
nentes singulos, elongatos, usque ad 4 dm longos, iterum 
iterumque ramulosos, paniculam formantes elongatam, luxuri- 
antem. Folia prsesertim ad basin culmi aggregata, per culmum 
tamen plura breviora disposita: vagin: sat laxe, compress, 
carinate, striate, glaberrime, sicut lamine glaucescentes, 
pruinose, rubelle, internodiis paulo — subduplo breviores; 
ligula 1,5 mm longa, scarioso-membranacea, glabra; lamina 
late lineares, ex foliorum basalium ad 15,5 em longe, 11 mm 
late, culmex 5—7 dm longe, 7—8 mm late, basi rotundate, 
apice obtuse, longe mucronate, in exempl. herb. secus nervum 
medium sepe fisse, forficulate, plane, glaberrime, margine 
scabriuscule, tenuinerves, nervo medio subtus laxe exculpto. 
Spathe proprie anguste, acute, vel obtusiuscule mucronate, 
peduneulo superne in carinulis scabriusculo paulo breviores. 
Racemi graciles, 4—5 cm longi, laxe cano-pilosi, circ. 10-arti- 
culati, articulis quam spicuiam paulo latioribus, 4,5—5 mm 
longis, vix 1 mm latis, dorso scabris, margine altero presertim 
longe pilosis, ipsa basi pilis cinctis argenteo-nitidis, articulo 
6-plo brevioribus, appendice ciliato-scabro, inzqualiter quadri- 
dentato. Spicule sessiles lanceolato-lineares, 5—5,5 mm long, 
glauco-virides. Gluma I. anguste triangulari-linearis, sensim 
acuminata, anguste implicata, marginibus membranaceis, hya- 
linis, distantibus, bimucronata, subcoriacea, glabra, dorso 
scabra, 4-nervis, nervis lateralibus validis, intermediis tenuibus; 
gluma II. primam squans, lanceolata, fere 5 mm longa, sen- 
sim acuminata, cymbiformis, carinata, carina scabra, mem- 
branacea, marginibus hyalinis, ciliatis, 3-nervis, nervis late- 
ralibus tenuissimis; gluma III. oblongo-linearis, 4 mm longa, 
acuta, hyalina, ciliata; gluma IV. usque ad basin fissa, laciniis 
linearibus, fere 3 mm longis, acutiusculis, ciliatis, e sinu aristam 
emittens gracilem, 16 mm longam, columna parum exserta, 
6 mm longa, glabra, subula leviter torta, scabra. Spicule 
