Von Esenbeck on new species of Glumaceae. 283 



keeled ; two central prseanal shields largest, placed one behind the 

 other, rest smaller. 



Algira punctata, Gray. Olive-green, sides pale, black- spotted, 

 with two white streaks on each side ; temples scaly, with two small 

 shields. 



Inhab. Shores of the Mediterranean. 



Algira Cuvieri, Gray. Olive-green ; sides black, with three nar- 

 row green streaks ; side of the back black and white- spotted ; ven- 

 tral shields silvery, with a central black spot; temple unequally 

 shielded. 



Inhab. . Mus. Francfurt. 



Psammodromus, Fitz. Nostrils in the suture between two un- 

 equal nasal plates ; ventral shields ? ; scales of the back 



acute, keeled ; prseanal shields, one large, surrounded by many small 

 ones ; collar none ; a band of shields close to the front of the chest, 

 and only separated from them by a series of small scales, which are 

 hidden, except when the head is bent back. 



Psammodromus Hispanicus, Fitz. 



Inhab. Spain. Mus. Francfurt. 



[To be continued.] 



XXXI. — Characters of Nine new Species of Glumacea?. By Dr. C. 

 G. Nees v. Esenbeck, President of the Imperial Academy Naturce 

 Curiosorum. Extracted from a Letter to Professor Lindley. 



Melica colpodioides ; panicula composita et decomposita (ante anthesin 

 contracta), pedicellis nudis scabro-puberulis, spiculis oblongis bi-trifloris., 

 glumis inaequalibus obtusiusculis, superiori flosculos subaequante, valvulain- 

 feriori flosculorum perfectorum apice brevi spatio membranaceo-appendi- 

 culata 7-nervi, flosculo supremo sterili, sublineari, antheriformi ! foliis an- 

 guste linearibus vaginisque scabris. (M. scabrce et pallida H. et K. affinis.) — 

 California, Douglas. 



a, sesquiflora. /3, subtriflora. 



Lophochlcena californica. Ch. Gen. Spiculae multiflorae, rhachilla articu- 

 iata. Glumae 2, membranaceae, obscure 1 — 3-nerves, flosculis breviores, 

 Flosculi callo truncato inserti, omnes perfecti : valvula inferior chartaceo- 

 rigida, plurinervis, apice membranacea, bifida, lobis praemorso-dentatis, inter 

 lobos setigera seta recta ; superior plano-complicata lateribus in medio den- 

 tato-laceris apicem versus serratis ; apice emarginato. Lodiculse truncatae, 

 connatae. Stamina 3 (antheris violaceis). Ovarium oblongo-lineare, gla- 

 brum ; styli breves, discreti ; stigmata parva plumulosa. Inflorescentia : 

 racemus simplex, secundus, Gramma inollia, Folia brevia. Spiculae bro- 



