ANDROPOGON. ANDROPOGONEE (AUCT. EDUARDO HACKEL). 407 
‚a. Monandri, stamine 1 antico. — Racemorum pedunculus communis apice 
sepius barbatus. Spiculz sessiles lineari-lanceolats v. lineari-oblongz, 
parve; gluma I"* chartaceo-membranacea, prster nervos carinales 
enervis (rarissime in A. arctato nervulis 2 aucta) ; és lanceolata, acuta, 
l-nervis, carina superne scabra; III* ea paullo brevior, lineari- -oblongs 
v. neari Dncegln t. enervis, sepius ciliolata ; IV* quam IIda paullo— '/s 
brevior, breviter bidentata v. ad ifa usque bifida, lobis acutis, 1-nervis, 
inter denied aristata; palea minuta v. obsoleta. Stigmata anguste lan- 
ceolata, brevia, Pedicelli uds spiculam sessilem zquantes v. supe- 
rantes, lineari-filiformes, aut rudimentum spicule uniglume vix ] mm. 
longum ferentes aut sine ullo. — Neogsi (n. 34—40). pro 
Ld . A y 
a. Anthera parvula (0,6—1,5 mm. longa). Gluma I"^ preter nervos carinales enervis 
4—39). 
* Racemi multi-(10—20-)articulati. — Species n. 84—38, quarum 4 priores inter se valde 
affines, formis intermediis conjunct®. 
34. A. macrourus (Michx. Fl. bor.-amer. 1, p. 56); racemis binis 
spathis inclusis v. ex illis + exsertis in paniculam ramosissimam nunc 
caudatam densam, nune abbreviatam compactam superne dilatatam 
dispositis; vaginis eulmeis superioribus valde approximatis (nec vero 
equitantibus neque fastigiatis) glabris v. plus minus pilosis, laminas 
sensim breviores paniculam squantes v. superantes ferentibus, ex 
axillis ramos floriferos binos—quinos repetite ramulosos gignentibus ; 
racemi gracillimi articulis pedicellisque laxius villosis ipsa basi nudis ; 
gluma I"* inter carinas planiuscula, callo breviter piloso; arista 
imperfecta; spicula tabescente ad rudimentum 1 mm. longum redacta, 
raro 0. — A. spathaceus Trin. Fundam. p. 186 ; Cinna glomerata Walt. 
Carol. p. 59; Anatherum macrourum Griseb. Fl. Westind. Isl. p. 559. 
Culmi 60—150 em. alti, plerumque robusti. Vagin® innovationum 
atque foliorum eulmeorum infimorum subflabellato-confertze, compla- 
nato-compress&, inferne dilatatze et equitantes, superne angustatz et 
ab invicem v. a culmo distantes, ibique singule secus carinam ad 
dimidiam latitudinem usque connatæ, laeves v. carina v. omnino sta- 
br&. Lamin® innovationum 20—50 cm. longs, culmeæ sensim bre- 
viores, 4—10 mm. latze, breviter acuminatze, virides v. glaucze, utrin- 
que margineque scabrze v. seaberulze, glabrze v. basi fimbriatæ. Pani- 
eula 10—50 em. longa; rhacheos communis internodia superiora valde 
abbreviata ad nodos sepius barbata; rami erecti, appressi, summi 
valde conferti subfastigiati (raro etiam inferiores fastigiati), in specimi- 
