[ 75 .1 
C. Flowers Jcattered, feveral In eaeh calyx. 
Uniola. C«/yjc many valved, carinate. 
Rdt-i . Calyx a-valved: corol ventricofc, the "vaWes 
heart-fliaped, obttife. 
C’fl/y;c a-valved: re ru/ ovate, the valves acut- 
ilh, awnlefs. 
Calyx 2-valvecl, moftly 3-flovvered, aWneci; 
cere/ e -toothed. 
Calyx 2%aved: fplielet oblong, roimdilli, 
with pointed glumes- 
Calyx 2-valved. ccrol eblong, the valves 
awned from below the tip. 
Calyx a-valvcd : coral oblong, the valves with 
a twifted awn on the back. 
_ Calyx 2-valved: corol woolly at the bafe, 
awnlefs. , 
H6 . PappophorUM. C«/ya: 2-valved: rsra/ 2-valved, many-awned. 
* 54 . Lappago. Calyx moftly 3-valved: corol 2-valved, re- 
verfed. 
+ Diilylis glomenta. 
D. Flowers /piked, on a long Jlender receptacle 
'iQ- Rottboellia. Calyx i-flowered, appreffed to 
!Si. Secale. 
0 /» PilKJL/ 
*36. Briza. 
*3S* PoA. 
*34- Sesleria. 
*4o. Festuca. 
Hi. Bromus. 
*43. Avena. 
Hs. Arundo. 
llender receptacle 
- • Cu/y.v 2-flowered. 
‘ 53 - Triticui^. Calyx many-flowered- 
ippreffed to the jointed 
H2. Hordeum. 
*50. Elymus. 
H8. Lolium. 
H9. Cynosurus, 
Involucre 6-\ezvtd, 3 flowered: Jlower iimpiC. 
Involucre 4-leaved, 2-flawered : fiower com- 
pound. 
/«w/irrre I -leaved, i-flowered: /owrr com- 
pound. , 
Involucre i-leaved, lateral: /sarr compound. 
ORDER III. TRIGYNIA: 3 
A. Flowers beneath. 
5 o- H olosteum. Corol 5-petallcd : calyx 5-leaved: eapjule 
.r opening at the top. 
0 . Polycarpon. Cura/ 5-petalled: ra/yv 5-leaved : capjule 
,c valved. 
®S. Leqhea. Cffro/ 3-petalledr ra/y.v 3-leaved : capjule 3- 
celled, 3-vaIved. _ 
* 55 " EriocaulON. Carol 3-petalled: calyx an imbricate head: 
Jeed I, crowned with the corol. 
*56. C«r»/ i-petalled: ra/y^: 2-leaved; capfule -y,-" 
valved, 3-feeded. 
K 2 
