

No. 73. 

 POA BOLANDERI Vasey, Bot. Gaz. vii.:?:.' il8S2 . 



Plant i)ereiiiiial, loosely tufted. 



Cnlnt.i (M'CM't, or slightly gciiiculatr below, somewhat thickent-d ;it tlic liasc, sinootli. 

 leafy to the middle or above, 1 to - ft^et tall. 



Lcarex of the radical tufts thin and lax, smooth, •> li> <i inches long: leaves of the 

 culm .'! or 4; shcatiis smooth, dose, closed at the throat, shorter than the rather long 

 internodes; blades tlat, ratiier abruptly i)ointed, thin, smooth, U to 2 lines wide, '2 

 to 4 inches long; ligulo obtuse, l.J tf) 2 lines long. 



Ixflormcoirc an cre<-t, sleniler or at length sprea<ling i)aniele (jterliaps cr)ntra<!ted 

 after llowering), 4 to inches long; rays smooth like the axis, '1 to ;"> at each oi' the 4 

 or.") distant nodes, erect or at length horizontal, spikelet-bearing tf)wards the extrem- 

 ities, the subdivisions and short pedicels appressed, making the spikelets appear almost 

 sessile on tlie ]triniary rays at intervals al>ont cfpialing their own length. 



Spilrlets 1- to 3 flowered, li to 2 lines long; emjity glumes ovate, nearly acute, 

 smooth, the first 1-nerved, 1 line long, the sectuid obscurely 3-nerved and longer than 

 the fir.st but not ecjualing the lower tloret; tloral glume ovate-oblong, obtuse or barely 

 acute, too narrow to envelope the mature grain, scarirms-margined, lu^arly smooth 

 except the slight web at the base, o-nerved, l.J lines long; paletoblong, obtuse, green, 

 nearly smooth, slightly shorter than the glume; grain lanceolate, slightly thittcned, 

 acute at each eml, yellow, nearly translucent. 1 line long; internode of rachiJla smooth, 

 i line long, <'asily disarticrulating between each lioret, leaving the em]tty glumes. 



Platk LXXlll; ((, plant with panicle contracted; /*, plant with open panicle; c, 

 spikelet; d, lh)ral ghime, dorsal view; c, grain. 



('alifcu'uia, in the region of Lake Tahoe, and at a lew ot her hiealities in moist, alka- 

 line soil. 



