lxvili INTRODUCTION. 
f No leaves. Stems thread-like, adhering to other plants. 
CUSCUTA at “2 
67 Leaves alternate or radical ‘ ; 
Leaves opposite. ; : 4 : ; 7 i 
gg J Shrubs with evergreen eave = : ‘Tnex (p. 98. 2 
\ Herbs . ; 
Corolla scarious, deeply four-lobed. Stamens longer than the 
gg) _. corolla. . PLANTAGINEZ (p. 366.) 
°°") Corolla of the consistence of petals, Stamens shorter than the 
corolla. : ; ‘ . §O 
705 Leaves narrow, entire . : ; LIMOsELLA (p. 332.) 
\ Leaves orbicular, crenate : . : .  SIBTHORPIA (p. 332.) 
mJ Leaves entire ; : . : : . GENTIANACEE (p. 300.) 
| Leaves toothed or cut . ; : ; : . VERBENA 4 (p. peel 
79 f Fruit a berry : : ’ 2 2 sae 
{Fruit acapsule.. : ; e 
af Shrubs with evergreen leaves ‘ : : ; | Inex (p. 98.) 
| Stem or branches herbaceous ; .  SOLANACER (p. 317.) 
v4 J Leaves opposite, entire : ; : : : ; . a 
\ Leaves alternate, or none, : . 1 
Trailing plants, with evergreen leaves. ‘Two ovaries} joining at the 
top into one style. ; ‘ VINCA (p. 299.) 
75< Small procumbent shrubs, with ver y small evergreen leaves. 
Ovary single . ; ; , : . LOISELEURIA (p. 282.) 
Herbs. Ovary single . : : ; . GENTIANACEZ (p. 300.) 
76 { Leaves divided : : : : ‘ : : RPE. 
Leaves undivided or none . ; : : : 88 
Leaves of three leaflets, Corolla hairy within. Aquatic plant. 
rk MENYANTHES (p. 304.) 
Leaves pinnately cut. Corolla smooth. Erect herb. 
PoLEMONIUM (p. 305.) 
A juatic plant, with floating orbicular leaves. LIMNANTHEMUM (p, 304) 
98 Tvining or procumbent plants. Corolla campanulate. Seeds 2 
or 4 in each capsule . 3 : . CONVOLVULACEE (p. 805.) 
Tall erect plants. Seeds numerous ; ne 
f Corolla nearly rotate, the upper lobes overlapping the lower ones, 
79 VERBASCUM (p. 325.) 
le ee ene or with a distinct tube, the lobes folded in 
the bud. : ; ; : : SOLANACEZ (p. 317.) 
| Stamens 5, free. fo 
80, Stamens 38. Small plant with minute white flowers. Montza (p. 77.) 
- ei SL 
Stamens 2 OBA 9°; ‘ : : ; : : ; 
81 WOR ae with a spur ; : : - : ; een ~ 82 
~~ Corolla without a spur . : : . 83 
89 eee stamens. Capsule one- celled” ; | LENTIBULACER (p. 295.) 
Four stamens. Capsule two-celled | SCROPHULARINER (p. 323.) 
One or two seeds in the,ovary or capsule . WERBENACEZ (p. 362.) 
83, Several seeds in the capsule, or at least several ovules in the 
| ovary , 84. 
it Plant leafless, except scales of the colour of the stem. Capsule 
one-celled ; OROBANCHACEZ (p. 320.) 
eres green. Capsule, ‘two-celled. . MSCROPHULARINEE (p. 323.) 
