C. Mez, Gramineae africanae. V. 133 
perfectum g eum palea acuta (nec emarginata) paullo breviore, cochlei- 
formi, secus carinas dorsales longe pilosa fovente; gluma 4 quam praece- 
dentes paullo breviore, a latere visa acutiuscula, explanata eum palea haud 
emarginata, glabra, membranacea, straminea, nitidula, paleam superante. 
Congogebiet (Demeuse n. 102). 
P. (8 Rhynchelytrum) longicauda Mez n. sp.; statura absque dubio 
conspicua. Folia (non nísi culmi summa cognita) basi in vaginas haud 
carinatas, dorso densiuscule pilis brevibus e tuberculis parvis prodeuntibus 
obsitas indeque scabridas producta; ligulis brevissimis transverse linei- 
formibus, margine dense pilosis; laminis linearibus, basi haud contractis, 
in apicem acutissimum sensim angustatis, planis, chartaceis, nervo medio 
manifestiore destitutis, utrinque bene pilosis. Inflorescentia oo-flora, erecta, 
secunda, folia longe superans, anguste fusiformis vel caudiformis, dense 
4-pinnatim panniculata, = 250 mm longa, 25 mm diam.; axi valido, ad 
basin paullo undulato, subangulato, glabro, minutissime scabrido; ramis 
striete erectis, usque ad 90 mm longis, inferioribus saltem ipsa basi haud, 
divisis; spiculis erectis, lateralibus quam pedicelli gracillimi, flexuosi, teretes, 
praeter apicem longe setoso-pilosum glabris laevesque bene longioribus, 
dense nec connatim pilis longis suberectis, roseis indutis, cauda perlonga 
glumae 3 computata = 15, absque pilis = 4 mm longis, anguste lanceo- 
latis; gluma 1 minuta, lingulata, apice rotundata erosulaque, aveni, quam 
pili dorsales multo breviore; gluma 2 sequentem aequante, anguste ellip- 
lica, apicem versus acutiuscula demum profunde incisa et in setam gra- 
cillimam longiorem desinente, 5-nervi; gluma 3 priori isomorpha, sed setae 
longitudine sat superante, in axilla paleam (floris abortivi?) non nisi paullo 
breviorem, linearem, secus carinas dorsales brevissime eiliolatam fovente; 
gluma 4 praecedentibus paullo breviore, glaberrima, a latere visa acu- 
liuscula explanata apice profunde emarginata, submembranacea, stra- 
minea, nitidula, paleam isomorpham (vel apice haud emorginatam ? bene 
superante. 
Ost-Afrika: Tanganjika (Trust). 
P. ($ HRhynchelytrum) setinsigne Mez n. sp. 
Perennis, florifera semimetralis. Folia basi in vaginas haud carinatas, 
glabras laevesque producta, ligulis transverse lineiformibus, margine dense 
pilosis; laminis patentibus, linearibus, basi vix contractis, in apicem acu- 
tissimum sensim angustatis, planis, chartaceis, nervo medio manifestiore 
elaberrimis nec ad basin ciliatis, lenti magis quam tactu scabri- 
Culmi geniculatim adscendentes, teretes, 
Inflorescentia sub- 
laxiuseule 3-pinnatim 
60 mm diam.; axi 
destitutis, g 
dis, + 70 mm longis, 5 mm latis. 
praeter nodos breviter barbellatos glabri laevesque. 
multiflora, erecta, quaquaversa, folia bene superans, 
pannieulata, anguste subpyramidata, = 130 mm longa, 
. ! ı longis. 
valido, subtereti, glabro laevique; ramis suberectis, usque ad 50 mn 
