1 
714 BULLETIN DE L'HERBIER BOISSIER (2M® SÉR.). (18) 
nervis lateralibus in medio latere sitis prominentibus, glaberrimis. Palea 
glumam ferlilem æquans, oblonga, obtusa, curvula, bicarinata, carinis 
paullo infra medium auriculo conspicuo obtuso vel acutiusculo chartaceo 
(0,5 mm longo) glabro munitis. 
Deutsch-Südwest-Afrika : Gross-Namaland, Inachab in arenosis, 
Dinter 1095; Hereroland, Tsoachaub, Dinter 57. 
Remote affinis E. obtusæ Munro, qu& differt panicula fere orbicu- 
lari patentissima laxa, spiculis minime imbricatis sed in apice ramu- 
lorum (basi denudatorum) subconfertis pedicellis iis æquilongis suf- 
fultis sæpe nutantibus, orbicularibus, glumis omnibus obtusis, steri- 
libus quam florentes subduplo brevioribus, palea exauriculata carinis 
ciliolata. 
Appendices auriculiformes in paleæ carinis sitæ hanc speciem præter 
omnes distinguunt. 
Eragrostis (sect. Pteroëssa) crassinervis HACK. 
Perennis, dense cæspitosa, innovationibus plerisque extravaginalibus. 
Culmi humiles (sine panicula 2—A cm alt), erecti, binodes, glaberrimi. 
Vaginæ tereles, arctæ, internodiis breviores, glaberrimæ, paucæ infi- 
marum squamiformes. Ligula brevis, ciliaris. Laminæ lineares, obtusæ, 
convolutæ, patentes, rigidæ, 1—3 cm Ig., convolutæ 0,7 mm It., extus 
læves, intus scabro-puberulæ, virides, nervis crassis intus prominen- 
tibus percursæ. Panicula 2—5 cm Ig., lineari-oblonga, compacta v. basi 
interrupta, rhachi lævi, ramis brevissimis, demum patentibus a basi 
spiculiferis, spiculis in singulo ramo 3—6, ita dense fasciculatis ut 
glomeratæ videantur. Spiculæ subsessiles, lineares v. lineari-oblongæ, 
dense 5—25-floræ, longitudine valde variabiles (cum 19 floribus 9 mm 
longæ, 2 mm lalæ), pulchre rubro-violaceo-variegatæ, rhachi persistente. 
Glumæ steriles subæquales, ferlilibus '/s breviores, late lanceolatæ, 
acutæ, Carina denticulato-scabræ ; glumæ fertiles late ovatæ, obtusæ 
(fere truncatæ, sepe erosulæ), nervis 3 valde prominentibus medio et 
interdum lateralibus in mucrones brevissimos productis, glaberrimæ, 
cire. 2 mm longæ. Palea glumam subæquans, oblonga, obtusa, carinis 
valde curvatis aculeolato-scabra. Antheræ 0,8 mm longæ. 
Deutsch-Südwest-Afrika (Gross-Namaland): Inachab, Dinter 1099. 
Nulli arctius affinis; paniculæ spicularumque forma structuraque ad 
E. sarmentosam Nees et E. elatiorem Stapf accedit, ceteroquin rhizomate, 
foliis, glumis subacutis etc. diversissimas. 
