234 MONOCOTYLEDONEE. ISCHJEMUM, 
** Spicule pedicellatz aristatz. (N. 28—31.) 
i Khachis fragilis, articulis crassis v. erassiusculis, acute trigonis. — Culmi erecti v. mri ipti 
ken 40—400 cm. alti, multinodes, teretiuscnli, superne breviter nad, able rassatique. Vagine 
retiuseul» ; summa cuin lamina brevi. Ligula brevissima (vix 1 mm. longa), Len membrana- 
. cea, — eni sublanceolato-lineares, SeU goumin; medi ie 10—18 m. longz, 8— 
16 mm. latz li, haud A 
angulo dec in ves rigidulis fülvo-griseis erecto ile ciliati, interioribus glabri v. pilis brevi 
mis erispulis mollibus albis arts ceterum lzves. Spiculæ sessilis gluma I"* ad latera partis ie 
rioris latiuscule rotundato-inyoluta ; 1I** I^» sium. in 4/2 superiore —— carina leviter 
sinuata ; III* I= subzquans, membranacea, paleam similem marginibus late implicatem includens : 
IV* quam Ilè 4/4 — subduplo brevior, in 1/2—1/2 superiore bifida, lobis ee wei € 
vis, prope ariste ortum membranacea, ceterum hyalina, aristam gracilem perfec. ; ejus 
palea glumam pee sem subulato-lanceolata, hyalina. Stigmata linearia, stylos par ps 
læ pedicellate gluma p 28—30). 
o Articuli pedicellique prp eask Pie Bee ment LÀ r. Spieule a wien sessilem nec non 
28. I. intermedium (Brogn. Voy. Coqu. Bot., p. 73); Andropo- 
gon medius Steud. Synops. 1, p. 382; A paniceus Steud.! l. c., 
p. 375. 
Culmi 30 em. v. ultra alti, simplices, glabri, vaginis foliorum teeti. 
Vaginze preeter nodos villoso-barbatos glaberrimze, internodia zequan- 
tes, superne subbiauritze. Ligula glabra. Laminæ ad basin prope mar- 
gines pilis raris longis albicantibus adspersæ, margine scabrze. Racemi 
5—6 (in specim. herb. Steudelii bini), erecti, approximati; articuli 
pedicellique spicula duplo breviores, angulis interioribus glabri. 
; Spiculæ sessiles cum callo oblongo 1,5 mm. longo basi pilis ipso bre- 
vioribus barbato 5,5—6 mm. longse, alutacez.. Gluma Ir: coriacea, 
acuminata, integra, carinis anguste marginatis scabris, in parte supe- 
riore elevato-7-nervis, glabra, scaberula ; II“ ovato-lanceolata, acu- 
minata, mucronata, carina infra apicem marginata, 3-nervis, glabra ; 
II elliptica, acuta, sub-3-nervis, glabra; palea 2-nervis; antheræ 
2,5 mm. longe; IV* glabra, aristam exserens 10 mm. longam colum- 
nå glaberrimä quam subula breviori. Spiculæ pedicellate subovat& 
glabre gluma I™ acuminata, acumine recurvo, 13—15-nervis; II^ 
5-nervis, mucronulata; IV** arista 6 mm. longa. 
alan Carolinarum eu vidi spiculas specim. authent., 
ER ex deser. 
vo Articuli pedicellique poros nullos v. indistineios inter se et inter spieulam sessilem formantes: 
7—8 mm. longs, pice ME: 52 nmi longo pi fma: SE iie barato 
ores, € ca, oda ma lineari-lanceolata. 
superne anguste marginata, 7—9-nervis, nervis extus dead ud 
29. I. fasciculatum (Brogn. Voy. Coqu., Bot., p. 73) ; spieulis 
