566 GRAMINE.E Ammochloa . 



coiivexa ventre plana hilo punctiformi. — Herbfe annuoe spiculis in 

 spicam densam globosam glumis spicularum inferiorum quasi involu- 

 cratam congeslis, facie Ecliinarice vel OreocJiioce. — Genus glumis 

 non secus lineam mediam sed excentrico carinato-plicatis. carina 

 alaiis insigne. 



1. A. subacaulis (Bal. Sched. 1858 sub Seslerid) annua glabra 

 cespilosa, radice fibrosa, capitulis intcr folia radicalia subsessilibus 

 vel culmis crassis foliis brevioribus suffultis, foliis a basi membra- 

 iiacea dilatata anguste liiiearibus elongatis Ilexuosis, ligula brevi, 

 spiculis acuse congestis S-li-lloris, glumis ovatis muticis vel mucro- 

 nulatis, glumella oblonga sub lente scabridula elevatim et obluse quin- 

 quenerviji inter nervos sulcata sensim in cuspidem rectam brevem 

 attenuata margine membranaceo in lobum obtusum apice utrinque 

 abeunle, styjorum basi accrescente compianala demum ovario lon- 

 giore O. A. Palestina Boiss. loc. cit., p. 52. 



Hab. iii arenosis desei"ti Palestiuae ad meridiem Gaza (Boissl), ad Katieh 

 et r.ir es Seba (Barbey I), in Egypto inferiore prope Rosette et in palmetis 

 Maiidara ad Alexandriam (Letourn!), inter Mersina et Pompeiopolin Giliciae 

 (Bal. 747!). 



1'acies Scirpi Michcliani. Alteva generis species A. punrjens (Schreb. sub 

 Dav.tylis) Algeria3 incohx ditrert culmis gracilibus, glumellts in cuspidem 

 lojigam recurvam abeuntibus. 



Ar. Geogr. Regnum Tunetamum, Africa borealis in interioribus. 



SESLERIA (\rduin. Spec. 2, p. 18). 



SpicuUe a latere compressae 2-6-floree, flosculis hermaphroditis 

 superiore iiiterdum sterili. Glumce carinatiB flosculis breviores. Glu- 

 mella membranacea carinala apice 4-3-denticulata, palea bicariuata 

 bifida, Squamulfc bincC apice 2-5-tid«. Stamina tria. Slyli2 brevissimi, 

 stigmata longa plumosa ad flosculi apicem emergentia. Ovarium (in 

 nostrisj apice pilosum. Caryopsis libera obovato-elliptica exlerne 

 convexa iiiterne plaiiiuscula libera hilo oblongo. — Herbtc perennes 

 panicula spiciformi brevi vel elongata, spiculis subsessilibus. 



1. S. argentea (Savi iu Usteri Ann. 1800, tab. I, fig. I, sub Fes- 

 tucd) perennis cespitosa stolonifera, culmis elatis, foliis glaucis rigi- 

 dis linearibus apice scnsim acumiiiatis superne margine scabris, 

 vaginis ad fasciculorum basin iii fibras non solutis, {)anicula spicre- 

 formi cylindrica densa basi l)ractealata brevi subintegra involucrata, 

 glumis lanceolalislonge acuminatis carina scabris flosculos subiequan- 

 tibus, glumella carina scabra apice in setas 2-3 breves aristamque 

 intermediam glumella nmllo breviorem abeunte Tf ■ S. argenlea Savi 

 Bot. Etrusc. 1, p. 68. - S. cylindrica D. G. Fl. Fr. 6, p. 279. — S. 

 alba Sibtli. et Sm. Fl. Gr. 1, p. 56, tab. 72 (glumellcC analysi erroneaj. 



