13 



TiiiiJE XI. — restuce(P. 



Spikelets two- to many-flowered, usually hormaplirodite, jirdicd. 

 late ill TiK^emes or paTiiclcs, the hitter sometimes deuse and spike- 

 like; flowering glumes usually longer than the empty ones, 

 awuless or with on<- to seveial straij^lit (rarely bent) awns which 

 arc cither terniiiial nr Ijornc just below th<; api-x. 



This is the largest tribe in the order, numbering 

 seventy-six genera and about seven hundred and 

 twenty-five species. It contains the most imi)ortant 

 meadow grasses of tlie temperate regions as well as the 

 more prevalent grasses of the higher mountains within 

 the Tropics. The genus Poa, wliich includes Kentucky 

 blue-grass, Texas blue-grass, etc., numbers one hundred 

 species, and an equal number of sjtecies are included in 

 the genus Emr/rostis. The I'escues number eighty 

 species, and the tribe Takes its name from this genus — 

 Fefituca. Orcliard grass, Uaetylis (jlomerata, is a well- 

 known example of this tribe. 



Pappophonim Schreb.* 

 Cottea Kunth. " 

 Cathestecnm Trr-sl.* 

 Sclcropogoii I'hilippi.*' 

 Mouanthochloe Engelm, 

 MunroaTorrey.* 

 Orcuttia Vasey.* 

 Gynerium HBK. 

 Arnndo Linn. 

 Phraj:mitcs Trin.* 

 Bhpharidachue Hack. 

 {Eremochloi! S. Wats.) 

 Triodia K.Br.* 

 Siegliugia Bernh. 

 Redfieldia Vasey.* 

 Dissanthelium Trin. 

 Moliuia Schrank. 

 Eragrostis Host.* 

 Eaton ia IJaf. * 

 Koeleria Pers.* 

 Catabrosa Beauv. * 



Melica Linn.* 

 Korycarpus Zea.* 

 (Diarrheva Raf. ) 

 Plcuropogon K. Brown. 

 Uniola Linn." 

 Distichlis Kaf.* 

 Briza Linn.* 

 Dactylis Linn.* 

 Cynosurus Linn.* 

 Lamarckia Moench.* 

 Poa Linn.* 

 Colpodium Trin. 

 Dupontia K. Br. 

 Scolochhja Link. 

 Grai)lieph<>runi Desv." 

 Panicularia Fabr.* 

 {Ghjcei'ia R. Br.) 

 Puccinellia ParL^ 

 Festuca Linn.* 

 Bromus Linn. 



