347 
Fig. 
Silvery hair-grass 152 
oat-grass 163 
Sitanion anomalum J.G. Smith pe 
ith 
ps weed n 101 
ic- --- 52 
V 156 
Bar Bog... Peon eee 
V 477 
oe Batata MES 1l 
meadow-grass. ......... 512 
sro, rum seta 531 
Uer. a aS 
5 FFF 39 
CCTV 26 
rat-tail grass ............ 307 
sh- 5 469 
e ee ssl 404 
Spear-grass.......... 535, 554 
PAO EEE E a oil 505 
wheat-grass ............. 593 
woolly grass ............ 343 
Slough-grass 208 
Small can 353 
8 melic-grass . 518 
mountain rice... a 
glumed drop-seed ...... .. 
Pg ON ee is 
jointed Panic-grass . ...... 46 
n et f 520 
URSUS Tie wea 442 
ned "inta Mau dro or BM 
itch- 
Smith’s melic- grass. 527 
%%% 0 
FVV 180 
crab-grass: 31 
BEN oou oou Oe 
Smu — ee MEER 26 
Soft weer Crabs eo 7 
aceon ag ou oor 
Sorghum avenaceum Chapm..... 15 
halep Pore: o i 
nutans Chapm | od 5 
ucifiorum Chapm.... 17 
: secun 
Son: sume hapm ...... 
Southern sand-bur. .............. 405 
reed-grass 
174 
ial in (Michx.).. 172 
ora 
stricta  alternifl 
N 177 
mariti 
(Wa dO * 2 
Spider bent- grass 
% o S a 
| Spike-like poverty grass. 417 
airoides Torr........ 
as olius 
BE UNE RIR , 464 
buckleyi Vasey. --.-. 459 
. 126 
confusus (F burn) -. 129 
eryptandrus (Torr.) 456 
poni 
Thurb. 456 
curtissii (Vasey) .... 124 
be bis (?) 
Sc ae 3 445 
omingensis (Trin.). prd 
filiformis (Thurb.).. 
floridanus Chapm.. 
curtissii 
ase 
im b .. 468 
heterolepis A. Gray 121 
indicus (Linn.) ...... 126 
interruptus Vasey .. 122 
jonesii Vasey........ 460 
junceus ( Michx.).... 455 
N Vasey 
alen b (Torr. Y. 
weno de iden ecd ... 454 
simplex Scribn ...... 
texanus Vasey....... 463 
thurberi Scribn ..... 465 
uniflorus 3 ks 
