io6 JOURNAL DE BOTANIQUE 



Guinée française : Kouroussa, Pobéguin, 500. 

 Aussi dans les plaines de Nupé, Bar ter , 1377. 



8. Trichopteryx crinita Stapf (sp. nov.), affinis T.gigan- 

 teae Stapf, differt statura multo minus robusta, foliis breviori- 

 bus, spiculis minoribus, staminibus 2. 



Gramen annuum. Culmi inflorescentia exclusa circiter 6 dm. 

 alti, simplices, subgraciles, 2-3-nodi, glaberrimi, laeves. Folia 

 pleraque basalia vel subbasalia; vaginae arctae, superiores ultra 

 10 cm. longae, glabrae, inferiores brèves et saltem in parte 

 superiore hirsutae pilis e tuberculis ortis; ligulae ad marginem 

 reductae; laminae lineares, longe attenuatae, apice tenui acu- 

 tissimae, ad 11 cm. longae, inferiores planae, ad 6 mm. la* le, 

 hirsutae, superiores involutae, glabrae. Paniculae erectae, 

 strictae, contractae, ad 25 cm. longae; rhachis glabra, laevis ; 

 rami 2-4-ni, filiformes, stricti vel flexuosi, cum spiculis (aristis 

 demptis) ad 5 cm.longi, laeves; pedicelli 2-\s > mxxi.\on<g\.Spiculae 

 glaberrimae, angustae, circiter 25 mm. longae, fusco-stramineae. 

 Gluma inferior angustelanceolata, acuta vel subacuta 9-10 mm. 

 longa, 3-nervis, chartacea; superior sublinearis, longe attenuata, 

 acuta, 22-26 mm. longa, 3-nervis, chartacea. Valva ijiferior subli- 

 nearis, longe attenuata, acutissima, 18-20 mm. longa, 3->nervis, 

 tenuiter chartacea jpaleanulla. Valva superior ambitu oblonga, 

 teres cum callo pungente ad 2 mm. longo albo-sericeo-barbato 

 7"9mm. longa, pubescens, demumnigricans, apice breviter 2-loba, 

 7-nervis, nervis tenuibus basin versus evanescentibus; aristae 

 columna stricta, 3-3,5 cm. longa, fulvo-hirsutula, fuscescens, 

 seta flexuosa straminea ad 15 cm. longa. Palea 5-6 mm. longa. 

 Stamina 2 ; antherae 2 mm. longa. 



Guinée française : Kouroussa, Pobéguin, 492-505. 



9. Trichopteryx ternata Stapf (sp. nov.), affinis T.nigri- 

 tianse Stapf, differt spiculis ad ramulorum apices ternatis glumis 

 glandulis setigeris seriatis instructis. 



Gramen perenne. Culmi stricti, teretes, laeves. Folia infe- 

 riora non nota, superiora glaberrima; vaginae arctae, promi- 

 nule multinervosae ; ligulae ad marginem ciliatam reductae; 

 laminae angustissime lineares, setaceo-convolutae, superne 

 tenuissimae, ad 16 cm. longae, basi2~3 lin.latae, scabrae. Pani- 



