Festucec,] .0€0. GRAMINEJE. 1187 
pedicellate more Ohloridearu;: 9-seriatim subsessiles, rhaehilla continua v. tardius subarticulata. 
Species sequentes inter se sat, dissimiles: E. bifaria, Steud. (Poa bifaria, Kunth, Rev. Gram. t. 80), 
spica terminali longa simpliei T»ipogonis, glumis florentibus obtusis ; Z. Schimperi, Benth. (HanPAcuNE 
Hochst.; A. Rich. Fl. Abyss. ii. 431), spica terminali simplici, glumis florentibus subdissitis aeu- 
minatis; E. brevifolia, Benth. in Hook. Ie. Pl. sub t. 1368 (Dactylis, Roxb., ZEluropus, Trin., 
Fleusine, Br), et E. éwlachyrum, Benth. l.c. (CatAcuymuw, Nees in Linnewa, xvi. 221), spicis 
paucis paueispieulatis in capitulum v. faseiculum terminale confertis, caule humili prostrato 
ramoso ; D. congesta, Oliv. in Trans. Linn. Soc. xxix. 175, t. 115, spicis brevibus sessilibus secus 
rhachin terminalem dissite fasciculatis; E. cynosuroides, Rom. et Schult., spicis brevibus sessilibus 
fasciculatis seeus rhachin elongatam confertis numerosissimis. 
3. Myriostachyja. —Paniculee rami breves, dense spieiformes unilaterales, secus rhachin numerosis- 
simi, panieulam longam angustam densam more Z. cynosuroidis formantes, sed ipsi brevissime 
ramulosi. Spieule 3-6-flore, omnes brevissime pedicellatze, rhaehilla ut in .Ptero?ssa continua, 
glumis inferioribus vacuis seta inatis, florentibus issimis, palea ssepius persistente. 
Caryopsis immatura brevis, maturam non vidimus, Species unica, Indica. — Wall. Cat. Herb. Ind. 
n. 3823 (Leptochloa Wightiana, Nees in Steud. Syn. Pl. Glum. 1.209). Benth.in Hook. Ic. PI. t. 1381. 
4. Pteroéssa, Doll (Eragrostes genuine). Panieula varia laxissime effusa v. contracta. Spieule 
sepius multifl pedicellatee v. sessiles i rhachilla continua v. tardius subartieulata. 
Species numerose in series sequentes distribuendze :— 
a. Cylindrostachye. ^ Spicule anguste lineares, subteretes, glumis arcte appressis, sessiles v. 
brevissime pedicellatee, fascieulatze. Species 3 v. 4, Australiante v. insularum maris Pacifici incol:e. 
Gaudich. i» Freyc. Voy. Bot. t. 25. 
b. Leptostachye. Syieule lineares, plame at angustte tenuesque, pedieellatw, panieula effusa, 
rcmis pedicellisque capillaribus, glumis swpe laxe imbricatis. Hue E. pilosa, Beauv., species fere 
eosmopolitana affinesque. 
e. Megastachye.  Spiculoe planz, anguste v. latze, sessiles v. pedieellat, panieula varia, glumis 
sepius distiche imbrieatis, suleum longitudinalem in utraque facie spiculre swpe relinquentibus, 
interdum vero spicula planissima, Species in utroque orbe imprimis in America numerose, ipsa 
E. snegastachya, Link, et forte E. Brownei, Nees, sub variis inibus fere poli: 
MxcasrAcnya, Beauv. Agrostogr. 75, t. 15, f. 9, genus propositum fuit imprimis ad Poco suero- 
natam, ejusd. Fl. Ow. et Ben. i. 5, t. 4, quie potius ad Centothecam referenda videtur, cui addidit 
species plures Evagrostis (Pteroósse) glumis plus minus aeutis v. mucronulatis. Fournier, Mex. 
Gram. 118, genus Mxcasracirvaw condidit ad species plures e sectionibus Péerozsse v. Platystachye 
spiculis plus minus dioicis, quod in Z. reptante, "Mich., fere constans est, character tamen in aliis 
speciebus valde variabilis videtur. T 
5. Platystachya. Spiculee oo-florze, plans, ovatee v. rotundatz, rhachilla inter flores articulata. 
Glum:e frentes rigide paleacez, distiche imbrieate. Species pauem Africans v. Asiatice hine 
E. (Pteroissc?) unioloidi, hine Demazeriis nonnullis subsimiles. Ben?À. in Hook. Ic. Pl. t.1370. Briza 
geniculata, Thunb., a Munroio ad Eragrostim transfertur ob glumas 3-nerves, etsi a. exteris Pla£y- 
stachijis paullum differt glumarum carinis obtusis, spieula ipsa minus eomplamata, et fere medium 
tenet inter Eragrostii et Brizam. 
6. Selerostachja.  Spieulie oo-flore, planze, lanceolatee v. angustze, rhachilla inter flores articulata. 
Glumze florentes rigide paleacez. Species 3, Africanze v. Asiatiez, perennes, rigidze, foliis nune longis 
juneiformibus nune brevibus divarieatis rigidis pungentibusque. —VaAl, Symb. i. t. 2 (Festuca). 
Kunth, Rev. Grain. t. 190 (Poa). Wall. Cat. Herb. Ind. n. 8898 (Brizopyrum mucronatum, Nees). 
? zpnum, Philippi, Sert. Mendoc. ii. 59. Spicule co-flore, cylind secus 
pai le ramos simpli distichz, rhachilla inter flores articulata. Glume 2 vacus, 
membranace:e, 1-nerves, infima lanceolata, secunda ovata major; florentes a dorso com- 
presse, 3-nerves, breviter mucronate, apice et margine superiore scariosce hyalinz ; palea 
ovata, glumre requilonga, 2-carinata. Stamina . . . Stylus. . . Caryopsis obovata, a 
dorso valde compressa.— Gramen ciespitosum, foliis planis. — Panicula seu spica composita, 
ramulis pluribus angulo aperto patentibus plurispieulatis. | (Char. ex Philippi.) 
Species 1, e Mendoza Americee australis extratropicze, a nobis non visa. Ex auctoris deseriptione ab 
Eragrostis sect. Pterocsse speciebus cylindrostachyis differt imprimis rhachilla fragili et inflorescentia. 
231. 
932. cutandia, Willk. in Bot. Zeit. 1860, 130. —Spicul:e co- (3-13-) florze, paniculate, 
rhachilla inter flores articulata, glabra, floribus hermaphroditis, Glumie anguste, rigidre, 
