298 
13-2 lin. longa, pubescens, breviter bifida, callo villoso barbato 
gracili acuto, arista hispidula eer ies 1 poll. seta 3-4 poll. longa ; 
palea linearis, subobtusa 1} lin. ga. Stamina in utroque 
flore 2 ; antherae 1} lin. 
UPPER GUINEA. Niger region: Nupe and Borgu, Barter, 954. 
Barter states that in Borgu the inner plains covered with this 
gregarious species resemble barley crops. 
591. Trichopteryx annua, Stapf [Graminese-Avenese]; proxi 
T. hordeifori mi, Stapf, (vide supra), sed foliis brevibus et aparer 
laxiuscula minore multo pauperiore distincta. 
Culmi solitarii vel 2 3 fasciculati, stricti, 2 ped. alti et ultra, 
leves, 3-no E. L hate um vagine arcte, glabre vel tuberculis 
ongona par aspersæ ; ligule ad seriem pilorum reducte ; laminæ 
P e Aa o atenante, 21-4 poll. longæ, 1-2 lin. latæ, 
ds vel marginibus revolute, sepius horizontaliter patentes, 
subrigid:e, glauce, tuberculis setigeris We negem secundum mar- 
ginem instructe. Panicula wie sagnste ad 5 poll. longa, 
laxiuscula, rhachi inferne tereti glabra, ramis sem iverticellatis 
geminatisve filiformibus l Perin e vel '2-3-spiculatis, brevibus. 
Spicule flavidæ, ad 74 lin. long, glanduloso-setose ve sub- 
glabr:, rarius glaberri æ; gluma i. ovato-oblonga, obras, 24-3 lin. 
longa ; ii. lanceolata, reni to-acuminata, obtusa vel truncata, ad 
T} lin. longa ; iii. quam secunda multo brevior, truncatula. 
SUDAN. Jur: Ghattas’ chief seriba, Schweinfurth, 2007. 
spikelets are too young for complete description ; but the 
pli. is so well marked, that it is easily recognisable from the 
characters given Mn "The awns are 1- -l] in. long in the most 
advanced spikelets. 
ze Trichopteryx pa ea aa l aeiae att affinis 
T. simplici, Benth., sed vaginis infimis latiusculis albidis longe 
is haud in fibras solutis, ponner aulo minoribus pro 
oo latioribus, gluma i. longiore acutissima, iv. 9-nervi 
dist 
ded Culmi erecti, ad 13 ped. alti, glabri vel papon pilosi, 
3-nodi. Foliorum vaginæ , infime basi latiuscule atque longe 
albido-villosz, subpersistentes, haud in fibras solute, superiores 
Panic gd subflexuosa, angusta, 3-6 poll. longa, rhachi 
interdum pilo ramis paucispieulatis filiformibus scabridis, 
S natis Spicul Mk idm, 4—5 lin. longae, glabre ; gluma i. ovata, 
peacit , 24-3 onga ; ii. eas olata, truncata, 4—5 lin. longa ; 
^pa t ot li. subzequalis ; iv lineari-oblonga, 2 lin. longa, 
á atic ad ariste insertionem pubescens, 9-nervis, bifida, callo 
rvo pungenti-villoso barbato, arista gracili infra medium geni- 
vagus 1 poll. longa. Stamina in utroque flore 2; antheræ 1 lin. 
H AFRICA. Transvaal: Pretoria, Rehmann, 4730; Magalies 
esa ots Derde Poort, Nelson, 75. 
593. Trichopteryx ramosa, Stapf Lieder ig Xon inter 
m ene species generis habitu suffrutescente ramoso insignis. ; 
