400 MONOCOTYLEDONEJE. ANDROPOGON. 
Sect. B. PSEUDANTHISTIRIA. 
Racemus spieulas fertiles 2 continens; gluma II: 0, IV” stipitiformis. 
— Annui. Culmi basi deceumbentes, dein ascendentes, multinodes, gla- 
berrimi, estriati, ad '/, v. */, usque simplices, superne panieulato- 
ramosi. Vagins teretiusculz, subcarinatz, arcte, internodiis brevio- 
res, sursum decrescentes, summa laminifera. Ligula brevis, membra- 
nacea, truncata, glabra. Panicula foliosa ramis tenui-filiformibus, 
parte vaginá non inclusá nutantibus, ramulosis, ramulis (secundariis 
y. tertianis) brevibus 3—5" zequalibus, singulis racemum singulum 
spatha propria indutum ferentibus, racemis itaque subumbellatis 
umbella spatha communi superata. Spathe proprie lanceolate v. 
lineari-anceolatze, acuminatze, carinate, carina scabro-ciliolatz, 
livide rufescentes. Racemus intra spatham subsessilis v. breviter 
icellatus ; articulus inter spieulas 2 fertiles his 4-plo brevior, 
lineari-filiformis, rectiuscule disjungens. Spiculæ sessiles parvze, callo 
minuto obtuso breviter albo-barbato, livide virides v. superne subvio- 
lascentes : gluma I"* chartaceo-membranacea, parum angustata, 
truncata, marginibus infra apicem angustissime inflexis, inferius late 
involutis, dorso subeonvexo scabra, tenuiter 4— 7-nervis, nervis ver- 
sus apicem tantum manifestis; II^ I zequans, lanceolata, acutius- 
eula, membranacea, glabra, 3-nervis, subcarinata ; IV* e basi stipiti- 
formi mox in aristam gracilem abiens, columná fuscä hirtulá medio 
+ geniculatà quam subula recta scaberrima pallidior parum breviore. 
Lodieule majuseule, cuneato-lunatz. Stigmata stylos æquantia. 
Spieulse pedicellatze pedicellis ipsis 3-plo brevioribus filiformibus cilia- 
tis insidentes, sessiles subsuperantes, lividze : gluma I»: membrana- 
cea, acuta, marginibus inflexa, flexuris scabro-ciliatis, dorso plana, 
glabra, multinervis; II“ lanceolata, acuta, non carinata, 3-nervis, 
glabra ; III* et IV: 0, sed lodiculze et antherze (2 mm. longæ) ut in 
spiculis sessilibus. — Habitus Themed& (Anthistirie), sed spieulse 
illa involucrantes, huic generi proprie omnino desunt (n. 30—31). 
30. A. heteroclitus (Nees Fl. Afr. austr. p. 115); laminis e basi 
parum angustata linearibus, ultra 8 cm. longis, utrinque secus nervos 
pilis basi tubereulatis adspersis, nervis lateralibus primariis a seeun- 
dariis bene distinctis. — Anthistiria heteroclita Roxb. Fl. Ind. ed. 
Carey 1, p. 249. 
Culmi graciles, 50—80 em. longi, teretes. Vagin® glaberrimze. 
