410 



arctae, tenuiter nervoso-striatae, basales haud persistentes, caeterae 

 glabrae vel superiores magis minusve hirsutae imprimis superne 

 secundum margines ; ligulae scariosae, ad latera haud herbaceae 

 truncatae, brevissimae ; laminae lineares, longe setaceo-attenuatae, 



mm 



planae, basi supra ligulam pilis longis albis barbatae, aliis hinc 

 inde praesertim secundum margines asperas additis, costa tenui, 

 nervis lateralibus primariis utrinque circa 5 supra a secundariis 

 interjectis vix distinctis. Eacemi geminati culmos et ramos 

 foliatos terminantes, graciles, circiter 10 cm. longi, longe e spatha 

 propria laxiuscula laminam brevem angustam gerente exserti, 

 superior pedunculo circiter 5 mm. longo glabro suffultus, multi- 

 nodi, flaveacentes ; articuli pedicellique 5 mm. longi, similes, 

 clavati, dorso alte convexi, truncati, basi angusti, et breviter 

 barbati, caeterum glabri, nitidi. Spicula sessilis inter articulum 

 pedicellumque nodi sui arete cuneata, a latere compressa, ad 

 7 mm. longa, callo 1 mm. longo glabro sulcato incluso ; gluma 

 inferior anguste lanceolata, tenuiter acuminata, acumine 2-dentato, 

 dorso profimde canaliculata, superne in carinis subscabrida! 



bcarinali 

 , gluma superior 

 cymbiformis, acuta, quam inferior vix brevior, chartacea, 

 ciliolata, carina sublaevi, nervo utrinque 1 submarginali ; valvae 

 hyalinae, inferior oblonga, acuta, 5 mm. longa, ciliolata, 2-nervis, 

 superior oblonga, bifida, 3 mm. longa, eciliata, arista geniculata 

 gracili, columna 7-8 mm. longa, seta aequilonga ; palea quam 

 sua valva duplo brevior, alte bifida, enervis. Spicula pedicellata 

 lanceolata, acute acuminata, 6-6*5 mm. longa, viridula ; gluma 

 inferior mucronulata, nervis arctissimis circa 9 tenuibus intermedio 

 paiilo validiore ; gluma superior 5 mm. longa, acutissima, 

 3-5-nervis, ciliolata; valvae anguste oblongae, acutae, hyalinae, 

 inferior ad o mm. longa, 2-nervis, ciliolata, superior brevior, deli- 

 cate 1-nervis, eciliata, cum palea alte bifida duplo breviore. 

 Stamina m utraque spicula 3; antherae aurantiacae, spiculae 

 sessilis 1 mm. longae, pedicellatae 3 mm. longae. Garyopsis 

 oblonga 2-2 mm. longa. Ischaemum chrysatherum, K. Schum. 



caeterum laevis, chartacea, nitidula, nervis utrinque 3, su 

 virirti, interiore salcum comitante brunnescente ; gluma 



vm&. vegei. vera, usaraoeira, pp. 14 and 28 (name). 

 East Africa. Usambara, in bush near Muoa, Hoist 

 jo near Amboni, Hoist (according to Engler, I.e. p. 28). 



r 



379. Andropogon (§ Arthrolophis) perligulatus, Stapf [Gramin- 

 aceae] ; affims A. canaliculate, Schum., sed ligula 1 cm. (vel 

 ultra) longa, articuhs pedicellisque vix tumidis, aristis validioribus 

 ad 2» mm. longis distinctus. 



Culmi (partes superiores tantum extantes) graciles, glabri, 

 laeves, teretes, ad nodos albido-pruinosi. Foliorum vaginae 

 superiores subtumidae, ad o mm. latae, subcarinatae, glauco- 

 vindes vel rubentes, glaberrimae, laevissimae ; ligulae ad 13 mm. 

 longae, scariosae praeier latera firme herbacea nervosa in lobos 

 acutos producta ; lamina anguste linearis, inferne longe attennata, 

 ultra 20 cm. loi^ga, 3-4 mm. lata, superne aspera, caeterum laevis, 

 glabra, costa albida valida, nervis lateralibus primariis utrinque 

 2-3, paucis secundariis interjectis. Inflorescentia spuria foliata, 

 2-noda ramo soliteno e nodo inferiore ; pedunculi communis 

 graciles, u-9 cm. longi, m spatha propria angusta vel dilatata 



