ELIONURUS. ^  ANDROPOGONEJE (AUCT. EDUARDO HACKEL). 343 
fragillime articuli demto appendice spiculam sessilem dimidiam 
sequantes, erassiusculi, subtrigoni, obliquissime disjungentes, dis- 
juneti cicatricem oblongam scarioso-marginatam, margine in ligu- 
lam ovato-oblongam rufam ciliolatam producto exhibentes, margine 
exteriore accrescendo-pilosi, pilis rigidis, summis subfastigiatis arti- 
culo longioribus, altero margine breviter ciliati, angulo antico etiam 
pilosi. Spiculæ sessiles cum callo obeonico 0,8 mm. longo glabro 
(aristis non computatis) eire. 5 mm. longze, ovato-lanceolat& : gluma 
I" chartaceo-acuminata, bifido-aristata, aristis porrectis 1—2,5 mm. 
longis seabris basi extus ciliatis, utraque carina incrassata serie tuber- 
culorum 12—14 cylindraceorum apice subelavatorum obsita, qui tu- 
bereuli fasciculo pilorum albo-sericeorum erecto-patulorum glumze 
latitudinem zequantium ornati inter se foveas relinquunt, dorso secus 
medium appresse strigoso-pilosa, enervis; gluma IH“ lanceolata, 
acuminata v. mucronata, carina depressa puberula, subtrinervis, 
margine glabra, apice hispidula ; HPF paullo brevior, lanceolata, acu- 
minata, enervis, margine implicato glabra; IV* quam II?» duplo bre- 
vior, oblonga, obtusa, sepe minute trilobula, subuninervis, glabra. 
Palea 0. Antherz 2 mm. longa. Spicule pedieellatze pedicellis arti- 
culis similibus sed rectiuscule disjungentibus infixæ, demtis aristis 
3 mm. longe, oblique ovato-lanceolat&, anthesi valde apertæ ita ut 
glums Im“ fere angulo recto pateant omnesque ad unum latus 
vergant'; gluma I"* late lanceolata, contorta, acuminata, integra, 
uniaristulata (arista 1 mm. longa), insquilatera : altero margine 
latiuscule inflexa, flexura late scarioso-marginata minute ciliolata 
etubereulata, altero margine plana, glabra, juxta marginem implica- 
tum incrassatum stria oleifera notata, dorso subtrinervis, glabra, 
scabra ; II“ I^» equans, ovata, secus carinam scaberulam complicata, 
scili 1,5 mm. longa, subtrinervis, glabra ; III* et IV* ut in spiculis 
sessilibus. Flos g, antheris 2 mm. longis. 
In arenosis Senegalie (in h. Kunth; Perrot. 897); pr. Dagana 
(Leprieur n. 30); pr. Nupe ad fl. Niger (Barter 993). 
15. E. Royleanus (Nees! in Schimp. Pl. Abyss. un it. 1842 n. 
195); annuus; racemis superne corymboso-congestis, vaginis spathi- 
formibus omnino v. basi saltem amplexis; spiculæ sessilis gluma Ir 
in rostrum ipsam duplo superantem ad medium usque bifidum (laci- 
* Id quod Kunthium induxit ut spiculas « steriles per unam seriem dispositas » 
. descripserit. i; 
