1084 €C. GRAMINEZE. 
emteris majores, tertia et quarta breves, vacus, mutieze/sepius ad setam reducte. Stamina 3. 
— Reg. Mediter., Amer. extratrop., in aliis reg. inquilina. 
103. AwTHOxANTHUM.  Panicula spieiformis, eylindracea. Glum:e 2 inferiores v. saltem 
secunda czteris majores, tertia et quarta breves, dorso aristate, vacus, Stamina 2.—ZEur., 
"Asia, extratrop., in aliis reg. inquilina, — 
104. Hi; Panieula p idalis, effusa v. eontracta, Glum:e 2 inferiores vacusme 
exteris vix majores, tertia et quarta parum breviores muticze v. arista brevi terminali, florem d 
foventes, Stamina 3 v. in flore fertili 2.— Reg. exiratrop. imprimis mont, v. frigid. hemisph. 
bor. et austr. : x 
s: ** Glume sub articulatione 0 (P: 
105. Cnvrsrs. Spieularum capitulum densum, bracteis 2-3 vaginantibus involucratum, recep- 
taeulolato eonvexiuseulo. Glum:e 4, exaristatz. Stamina 2.— Fieg. Mediterr. 
106, Comwvcorrx. Spieularum capitulum intra invol tubuk p cc-den- 
tatum inclusum, receptaculo subplano.  Glum:e 3, intima florens dorso aristata. Stamina 3. 
Peduneulus fruetifer sub involucro incrassatus, recurvus.— Oriens. 
107. AroPECURUs. Spicule in panicula cylindraeea spiciformi conferti, axi lineari, Glums 
3 y. 4, florens dorso aristata v. mueronata, Stamina 3.—Zur., 4s. temp. 
1 
Tribus VIII. Agrostidece. Spicule 1-flore, rhachilla supra glumas inferiores articulata, 
ultra florem nuda v. in stipitem setamve producta. Glum:e sepissime 3, 2 inferiores vacum, sub 
articulatione persistentes v. sigillatim decidus, rarissime deficientes, tertia florem hermaphroditum 
v. rarissime unisexualem fovens, haud raro aristata, arista terminali v. dorsali Scpius varie torta v. 
genieulata, Palea 2-nervis, rarius 2-carinata, &epe tenuis v. hyalina, interdum minima v. rarius 
deficiens. 
Excepta: Spieule interdum 2-florc in speciebus 2 Sporoboli. 
Glums vacus desunt in. Coleantho. 
Palez nervi in unum coaliti in Cinna. 
Genera pleraque characteribus incertis male definita, et speciebus intermediis sspe connexa, 
Subtribus 1. Stipezs. ;Spicule paniculate (in Aciachne 9 solitarie), rhachilla ultra lorem. 
(excepto Braehyelytro) non producta. | Arista glume florentis terminalis rarius deficiens, Caryopsis 
gluma indurata, v. membranacea, arcte involuta. 
* Gluma fructifera circa, caryopsin rigens v. indurata, 
108. AmrsTDA.  Gluma fructifera angusta, acuminata; arista swpissime 3-flda, ramis latera- 
libus divarieatis rarius abbreviatis erectis v. obsoletis, Lodicule 2,— Utriusque orbis reg. calid. 
109. SrrPA. Gluma fruetifera angusta, acuminata ; arista integra scepius eum gluma articulata, 
varie torta v. flexuosa, rarius continua. Lodieule seepius 3.— Utriusque orbis reg. trop. et temp. 
110. ORvzorsrs, Gluma fructifera obovoidea v. latiusenla, obtusa truncata v, rarius acu- 
minata; arista tenuis, sepius excentriea v. caducissima. —.Lodieuloe 2,—Reg. temp. et. subtrop. 
emisph. bor. et Amer. austr. : 
111. Miu. Gluma fructifera. ovoidea, cum palea indurata exaristata,— Ewropa, Asia 
demp., Amer. bor. 
112. AcracHwE. Spicule dioice, 9: in peduneulo unica erecta. Gluma fructifera in acumen 
angustum producta (spieule d thyrsoideo-paniculate?) ^ Gramen nanum, dense ciespitosum. 
—Andes Amer, austr. 
** Gluma fructifera circa caryopsin tenuis v. membranacea. 
114. BRacHYELYTRUM. Glum: vaeue minimz; fructifera angusta arista longa recta. 
Thachilla ultra. florem in setam producta, Panieula angusta ramulis paueis erectis. Spieule 
longiusculee,— Aer, bor. 
115. Pxmn Omnia Muehlenbergi nisi glumz omnes in aristam longam products, 
Panicula densa, spieiformis v. interrupta. Spiculz minime glomeratee,— Auer. trop. 
