216 KEY TO THE FRENCH FORMS OF EUPHRASIA. 
2. Leaves broadly ovate, densel ndular- pubes- 
: «o : E. hirtella, Jord. 
Leaves middle-sized, with obtuse teeth ; pubescence 
short and rough ; stem o subfistulose E. polyadena, G. and R. 
3. So soe exeeding the floral leaf . . . . . . E. campestris, Jord. 
ceeding the floral leaf 
4, oc bidad. porem all with obtuse teeth ; raceme 
interrupted at the paso E. montana, Jord. 
Upper leaves with hortly acuminate ‘teeth ; 
at the 
9. Stem covered with long, soft, abundant glandular 
hairs 3 . E. officinalis, L. 
Stem ee with shorter, less glandular hairs . A. uliginosa, Duc. 
Group ?.—Eglandulose. Stem more or less pubescent, not glan- 
dular ; leaves glabrous or glabrescent, rarely i: not- glandular; 
1. Corolla white, mixed with titus ; lilac, or yellow " 
Corolla very small, "— or "m with “upper 
lip lilac, very dwarf ‘ 
2. Upper teeth of leaves acu SEM t nant. Jacq. 
Leaves very small, with a the teeth obtuse er nor, Jord. 
3. Capsule exceeding the floral leaf 
he fl 
Capsule not exceeding the f floral leaf, ueually shorter 7 » 
.4. Stem slender ; racemes lax ; capsule ee at tip {> a poe pu 
mucronate, oM a at the t 
ck. 
5. Racemes short thi Ey sos nos 1 2. nitidela, Bee 
Dwarf with elongated racemes | pic Pal i 
6. Upper teeth of leaves acute 05 . E. minima, Jacq. 
ves very , with teeth all obtuse cowie « UE. minor, Jord. 
7. Leaves hispid, pubescent E TANE A puberula, Jord. 
Leaves glabrous rescen 
8. on ‘linear, with two eis teeth about their 
per third . E, tricus pidata, L. 
: Loss dentate, with : man 
. Sp , leaves eoe ché upper with 
terminal tooth. always oval " ppe . E, tetraquetra, Arron. 
Raceme close or lax ier are y with teeth all acute 10 
10. Calyx iry or subgland. 
= 13 
or small, ir ipud "sd era d flowers middle-sized 
Leaves es linear, lanceolate ; flowers large, calyx phe, E 
vain . ramosissima, Re 
12. Leaves green, with upper teeth Nisi spreading E. maialis, Jord. 
eeth of u 
j glabrous us or g 
11. Tan aae cak 
Leaves brownish- 
“Breen ; rrect long 
cuspidate,—plant brown or blackich. - . . + « E, euprea, Jord. 
13. Flowers large, corolla tube m uch exserted . . . E. alpina, Jord, 
Flowers small o middleazs 
14 
14. cun oval or oblong, with tee th subobtuse or acute 16 
raresa long, or lanceolate with teeth ` 
min eig acuminate, aristate 15 
15. Stem eat or branched near the middle ; "leaves 
. E. salishurgensis, Ton 
Stem usually branched fon base, leaves lanceolate 
ve. 
$ wor. i . E. Layeri, Timb., Lage! 
16. Teeth of lower leaves 
raceme, capas s med: a da 
All the acute; flowers in close racemes, 
Pérard, in Bull. Soc. Bot. France, vol. xviii, p. 329. 
