308 Tribus XI. Aveneae. 



divisis rigidulis eglandulosis laevibus, spiculis niagDis bifloris, Ho- 

 sculis gluma plus duplo brevioribus oblongis striatis undique patulo- 

 pilosis profunde bifidis, laqinulae interioris sela valvula paulo bre- 

 viore, lacinula exleriore parva acuta incumbenle, arisla glumas vix 

 excedenle. 



Danllionia speciosa Lehm. in Herb. Colsm. 



In apricis rupestribus montis ad Gnadenthal solo sabuloso-hu- 

 moso alt. 2000 — 5000', (Stellenbosch), et in Dutoitskloof alt. 

 '2S00— 3000', (Drege). Octobri. 2^. 



Post Danthoniam macranthara huic spiculae maximae sunt. 

 Proxiroa aulem structura Danlhoniae distichophyllae. Culmi e 

 rhizomate squamoso fasciculati, erecti, stricti, pedales- sesquipeda- 

 les, inferne crassilie pcnnae gallinaceae, arcte vaginati, superne 

 altenuali, vaginis minus dislanlibus. Vaginae inferiores breviores, 

 dislichae, glabrae, obsolete striatae, leretes; snperiores sensim 

 longiores et circa margities sparsim pilosae. Os vaginarum barba 

 densa villorum alborum in basin folii assurgit. Ligula setulosa. 

 Folia infiuia brevissima subulata, reliqua a 4 — 8 pollices crescen- 

 tia et decrescentia, cuncla rigida, incurva, convoluto-teretia, lae- 

 via, apice duriusculo, facie superiori canaliculata canali clanso, 

 pallida, glabra. Panicula 5 — 4 poll. longa. Rami paniculae ge- 

 mini, flexuosi, angulati, fere a basi Irifidi nec multum ramosi, lae- 

 ves. Ramificatio prima paniculae barbata. Pedicelli Inngi, incras- 

 sali. Glumae 8—9 lin. longae, lanceolatae, exquisile acuminatae, 

 uninerves, laevissimae, charlaeeae, stramineo-fulvae basi pallide 

 livescente. Flosculi cylindraceo-oblongi; valvula inferior 3 lin. 

 longa, ovalis, convoluta, rigidula, densiuscule albo-pubescens, no- 

 vemnervis nervis superne magis conspicuis immersis ; lactniae Ii- 

 neam longae, in setam violascentem ^y^ lin. longam abeuntes, 

 margine exteriori fulvo -membranaceo inflexo in lacinulam exterio- 

 rem parviim acutam incumbentem dehiscente. Arisla 6 lin. longa, 

 valida, plana, inferne torta, fusca, exlus aureo-sericans, apice pal- 

 lescens; valvula superior linearis, inferiore longior (4 lin. longa), 

 apice bidenlula subbarbala, margine inferne ciliata. Lodiculae 

 lalae, ovarium ambientes, dense floccoso-lomenlosae. Styli breves. 



