NORTH AMKRICAN SPECIES OF LErTOCHLoA. 15 



B— Intormediato between LejittMhlmi and l>ipliuhn)\ 



LEPTOCHLOA VISCIDA Beul. Grasses N. A. 2: 4:?4. IsjXi. Tiatisf.rs 



Diphtchne viscidtt Scribn. (Fl. I. fig. 2: text fiK- '•'• > 

 DiphichiK- risciild Scrilm. B\ill. Torr. Bot. Club. 10: .!ti. 1SH;{. " Sautu Cruz 



Valley, near Tneson. Arizona." Colleeted by Pringle. 

 Growing? in tufts in moist places, 1 to 3 dm. high. Leaves a few cm. long. 2 to 3 



mm. wide. Panicle short, 1 to 4 cm. long, more or less enclosed in the sheaths. 



Spikelets 3 to 4 mm. long. 5 t<^ T-flo\vered. First glume ab )ut one-half llie 



second, j mm. long. Flowering glumes short awned, somewhat viscid on the 



back. 



Fifi. 9. — L. visrifla. 



DlSTRiBl-TioN: ArizoiKi: Pringle: Meanis T<.»3, H33; Griffiths 19S8. Xcir Mc.vico: 

 Wright 2041. 2044. Me.vivo: Pringle 814: Palmer T4H. 74Mi. 092, 1TS!»: 

 Brandegee o; "Wright 1086. 



LEPTOCHLOA DUBIA Nees in Syll. Ratisb. 1 : 4. isi4. In an article entitled 

 •• Xovif plantarum species in horto botanico Bonnensi cultie." Nees al) Esen- 

 beck. who .signs the portion relating to Lvptoddoa. describes L. jirocera. and 

 .states that it differs from •■ Leptochhxt gnicile, Humb. et Kunth n. gen. et 

 sp. I. p. 108 (sub chlori).vaginisglabris,valvuliscorollinisnudis,necciliati3, 

 apice integris. nmcronatis, nee aristatis, flosculoruni nuniero niinore . . . 



A Leptochloa (Chlori) dubia Hunil). et Kunth 1. c. p. 101); panicula aequali. nsc 

 subfastigiata, flosculorimi numero minore, valvulis nudis,nec ciliatis . . ." 

 He thus incidentally transfers these two species of Chloris to Leptochloa. 

 (Fig. 10.) 



Fig. 10. — L. dubia. 



Chloris duhia H. B. K. Nov. Gen. 1 : 169. 1815. '• Crescit in apricis subhumidis 



prope rupem porphyriticam el Penon, in convalle Mexicana, alt. 1168 



hexap." 

 Lejitostachys dubia Mey. Fl. Esseq. 74. 1818. Refers Chloris dvbia donhttnlly 



to Lepiostachys. 

 Festuca ohtusiflora Willd. in Spreng. Syst. 1: 356. 1835. "Mexico." Type 



seen. 

 Uralepishrevispicata 'QwcWey. Proc. Acad. Phil. 1862:93. 1863. "Northern 



Texas." I have examined Buckley's specimen in the herbarium of the 



Philadelphia Academy. 



