562 GRAMiNE.E Liplachnc. 



2. D. serotina (L. Sp.lII sub Festucd) perennis cespitosa, rhi- 

 zomate diiro nodoso siibrepenfe, culmis rigidis erectis ad apicem fere 

 vaginis folioriim tecto, foliis brevibus rigidis liuearibus acuminatis 

 planis dein subconvolutis, culmeis patentibus crebris sensim abbre- 

 vialis, paniculje rectce brevis rigidse ramis solitariis brevibus erecto- 

 patnlis, spiculis nigricantibus laxiuscule 3-5-floris oblongis, glumis 

 oblongis aculis membranaceis valde inapqualibus llosculis multo bre- 

 vioribus glumella lanceolata quinquenervi paulo sub apice mucro- 

 iiata 2[. D. serotina Link — MoUnia serotina AL K. Deutsch. Fl. I, 

 p. 585. — Host Gram. II, tab. 92. — Rchb. Germ. lig. 432. 



Hab. in rupsstribus Macedoni?e australis (Friv,), Tauri Cilicici ad Gulek 

 Boghaz (Bal!), Tauriai (Stev!), Caucasi (M. B. Kehm !), Transcaucasise in 

 Iberiii, Armenia Rossica, prov. Karabagh (Hoh. Szovl). Fi. Sept. Oct. 



Ar. Geogr. Gallia, Helvetia et Germania australes, Italia, Dalmatia, regio 

 Dauubialis, Rossia austraHs. 



3. D. nana (Nees Gram. Afr. Austr. p. 259) annua nana, culmis 

 conferlis geriiculato-ascendentibus foliatis, foliis anguste linearibus 

 acuminatis flores cTquantibus et superantibus, vaginis crcbre slriatis 

 ciliis longis basi tuberculatis obsilis ore barbatis, pauicula in capitu- 

 lum ovatum densum contracta, spiculis breviter et stricte pedicella- 

 tis oblongis 5-6-floris, glumis glabris lanceolatis uninerviis inferiore 

 acuta, superiore e.t apice retuso mucronata sublongiore, glumella 

 oblonga trinervi lateraliter patentim hirsuta nervis lateralibus apice 

 in setas binas breves terminali in setam glumelloe a?quilongam abeun- 

 tibus ©. 



Hab. in Egypto mari Rubro finitimo ad Ouadi Toundabah, Ouadi Gadireh 

 inter Kosseir et Ras Benass et Ouadi Etit prope Mirza Ouadi Lechuma 



(Schweinf!). 

 Plantula 1-2-pollicaris. Gapitula avellanA minora. 

 Ar. Geogr. P. B. Spei. 



SuBTR. III. Aruxdine.^ B"'. — SpiculfB, rhachilla sub glumellis et 

 seepe g-Iumellse longe pilosae apice saepe 2-3-denticulata3. 



AMPELODESIHOS (Link HorL BeroL I, 136). 



Spiculae 2-5-flora3 a latere compressae, flosculis liermaphroditis 

 supremo abortivo. Glumre bina^ membranacege subcequales lanceolatae 

 mucronato-aristatcnc flosculis subbreviores. Rachis hirsuta. Glumella 

 et palea subcTquilongtc ianceolatre illa 5-nervis acuta vel ex apice 

 brcviter bifido mucronata e.\tus inferne pilis sericeis obsita, palea 

 bicarinata bidentata. Stamina tria anthcris linearibus longis. Squa- 

 muhe biucne lanceolatcT ciliat.T. Styli 'i termitialcs brevissimi, stigmata 

 plumosa pilis ramosis suprabasinfloris emergentia. Caryopsis lineari- 



