PLATE 2698. 
PANICUM PHYLLOPOGON, Stapf. 
GRAMINEX. Tribe PANICE. 
P. (§ Echinochloa) ge a ed (sp. nov.) ; affinis P. Crus 
galli, L., sed duratione bienni, ha stricto, caule compresso, foliis 
basalibus peralte carinatis ad la es basin extus longe denseque 
barbatis laminis longis angustis inferne arcte plicatis diversa. 
Gramen bienne, fasciculatum, 3-4 ped. altum. Caulis stricte erectus, 
6- 7- tact procerus, compressus, ncleielien, levis, superne ramosus, 
. @ vagina an tepenulti ma vel etiam e penultima ramum florentem 
edens. Vagine foliorum sahara e shad latiuscule scariosa an, 
compress, alte carinate (imprimis superne), leves, ad lamine con- 
’ 
vaginee foliorum summorum minus vel vix carinate, omnino glabre ; 
ligule nulle; lamine foliorum basalium anguste lineares, longe 
tenuissime attenuate, inferne peralte carinatez, arcte plicate, 1-1} ped. 
longe, explanate 1-2 lin. late, secundum margines cartilagineos 
asperrime, apicem versus utrinque scabridz ; lamin fuliorum superi- 
orum latiores, ad 4 lin. late, brevius attenuate, basi breviter in 
vaginam decurrentes, magis peeieian tag costa media sii 
raini rhachi civ bt graciles, circiter 12, infimi ad 1} voll nies 
rhachi acute triquetra setosa ; pedicelli fasciculati, brevissimi, apice 
discoidei. Spicule ovoideo-ellipsoidee, 14 lin. longee, tandem fusces- 
2 
ntes. Gluma inferior membranacea, perlata, breviter cuspidata vel 
inter nervos et superne undique spinuloso-scabra vel secundum nervos 
spinuloso-setosa. Valva inferior (sterilis) glume superiori similis sed 
aululo minor, dorso subapplanata, nervis 5 tenuioribus, in merges 
8 lin. longam scaberulam abiens, paleam subzquilongam hyali 
valva superior (fertilis) late sleet, cuspidata, if = 
longa, nitens, a vel grisea, obscure 5-nervis, eisai, cum 
palea simili 2-ne 
Ira.y : in rice fields near Pisa, Arcangelt. 
