98 PROCEEDINGS OF THE ACADEMY OF 



inferiore \ I breviore ; valvulis infra glabris supra scabris inferiore breviter . 

 aristata ; aristis 1 2 lin. longis. 



Northern Texas. May. 



Grows in tufts ; internodes of the rachis \ Ik inches long, longest ray at 

 the base of the panicle about H inches long"; short rays 46 lines in length. 



Festuca reflex a, s. n. Culnio geniculato glabro tereti 1 \\ pedali; 

 vaginis parce pubescentibus marginibus breviter ciliatis ; ligula brevisshna 

 membranacea truncata; foliis glabris tarde convolutis 2 4-policaribus 



1 2 lin. latis ; panicula terminate patente pauci-radiata ; radiis solitariis 



parum ciliatis ; spiculis 3 4-floris breviter pedicellatis tarde reflexis ; glumis 

 inrcqualibus flosculo \ brevioribus superiore 3-nervia subobtusa marginibus 

 albo-hyalinis ; valvulis glabris inferiore aristata, aristis 3 4 lin. 



Upper California. Nuttall. 



Panicle 3 4 inches long; rays about an inch in length, somewhat rigid, 

 having 12 branches. Spikelets about as long as the bristles and 3 4 lines 

 distant. 



Festuca p u s i 1 1 a, s. n. Culmo decumbente geniculato tereti ad basin 

 glabro supra pubescenti (10 12-policari) ; vaginis glabris aut parce pubes- 

 centibus ; ligulis membranaceis ovatis subintegris ; foliis convolutis glabris 

 3_4-poliearibus 1 lin. latis ; panicula terminal! coarctata 2 3-policari 

 longis circum 6 lin. lata; rachi. pubescentibus subangulatis ; radiis 2 3-nis 

 scabris angulatis dense spicatis ; spiculis 6 8-floris ; glumis injequalibus 

 superiore 3-nervia acuminata flosculis \ breviore ; valvulis scabris, inferiore 

 aristata. 



Upper California. Nuttall. 



Bristles 34 lines long, being a little longer than the lower valve ; rays 

 nearly an inch in length and densely spiked ; internodes of the rachis \ 1 

 inch long. 



Bromus breviaristatus, s. n. Culmo erecto piloso simplici \\ 2 pe- 

 dali ; vaginis villosis internodio brevioribus ; foliis plains pilosis 5 6 policari- 

 bus 2 3 ped. latis ; ligula breve membranacea integra vel fissa ; panicula stricta 

 circum 6 policari, et" 6 lin. lata ; radiis geminis vel solitariis scabris erectis 



1 2 spicatis ; spiculis 2 3-fioris oblongo-ovatis ; glumis insqualibus ovatis 



acuminatis obscure nervatis ; valvula inferiore obscure 7 9 nervata pilosa 

 apice integra aristata 2 3 lin. Ion. Ceratochloa breviaristata ? Hook. 



Rocky Mountains. Nuttall. 



"Whole plant pilose, with short white erect hairs ; panicle of few spikes ; in- 

 tervals on the rachis between the branches 12 inches long ; longest ray 

 about an inch in length, erect and 12 spiked, of which the lowest is near 

 the base ; short ray 23 lin. long and 1-spiked ; spikes about \ an inch long. 



Bromus virens, s. n. Culmo erecto aut decumbente glabro (\\ 2 pe- 

 dali) subgeniculato ; vaginis internodium sequantibus vel superantibus fauci- 

 bus marginibusque superioribus villosis ; ligulis 12 lin. Ion. laciniatis ; 

 foliis planis glabris 68 policaribus, 23 lin. latis ; panicula patente 3 4 

 policari, circum 1 ped. lata ; radiis 2 3 nis vel solitariis a basi fioriferis aut 

 breviter nudis scabris ; spiculis laxis 5 7-floris circum policaribus ; glumis 

 ina?qualibus ovato-lanceolatis acuminatis scabris, superiore 5 7-nervia, infe- 

 riore 3-nervia ; valvula inferiore 7 9-nervia scabra margine et apice albo- 

 hyalina; apice subintegra aristata ; setis 4 5 lin. Ion. 



Rockv Mountains and Columbia River. Nuttall. 



Branches of the panicle unequal, the longest 2 3 inches in length and 



erec t 2 2 spiked, near its top spikes on short pedicels ; short branches 3 



lines to 1 inch long and 12 spiked. 



Bromus setaceus, s. n. Culmo erecto 23 pedali ; vaginis inferioribus 



[Feb. 



