xlii | TABLE OF GENERA. 
. Lycorsis. Corolla-tube slightly bent. 
_Sympnyrum, Corolla cylindrical, bell-shaped, straight. 
. Boraco. Corolla rotate. Filaments bifid. 
*** Nuts attached to the base of the style. 
9. Asperuco. Calyx with unequal valves. 
10. Cynoguossum. Calyx equally divided. 
Order LIX. SOLANACEAS. 
. Datura, Fruit a prickly 4-valved capsule. 
. Hyoscyamus. Fruit dry, opening with a transverse lid. 
. Arropa. Fruita berry. Anthers distant. 
. Sonanum. Fruit a berry. Anthers close together. 
Order LX. OROBANCHACE Ai. 
1. Orosancuz. Corolla 4- or 5-cleft, the base persistent. 
2. Larnr#a. Corolla 2-lipped, deciduous. 
Order LXI. SCROPHULARIACEAL. 
. Veronica. Stamens 2. 
* Stamens 4, calyx 4-cleft. 
. Barrsta. Upper lip of corolla entire, not flattened laterally. 
. Evenrasta. Upper lip of corolla bifid, not flattened. 
Rutwanrnus. Upper lip of corolla laterally compressed. Calyx inflated. 
Me.ampyroum. Upper lip of corolla laterally compressed. Calyx not inflated. 
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** Stamens 4, calyx 5-cleft. 
; stare ne a Calyx inflated. Corolla 2-lipped; upper lip compressed la- 
terally. 
. ScrornunariA. Corolla nearly globular. 
. Diarrauis. Corolla bell-shaped, unequal. Capsule 2-celled. 
. Antirrminum. Corolla-mouth closed by the lips meeting, with a rounded pro- 
jection at the base. 
10. Linarta. Corolla-mouth closed by the lips meeting, with a spur at the base. 
11. Limosetza. Corolla bell-shaped, equal. Capsule 1-celled. 
12, Srstuorria. Corolla rotate, regular. Capsule 2-celled. 
*** Stamens 5. 
15. Versascum. Corolla rotate, petals unequal. 
Order LXIT. LABIATA, 
* Stamens 2. 
1. Lycorus. Corolla nearly equal. Calyx with 5 segments. 
2. Sanvia. Corolla lipped. Calyx 2-lipped. 
Oo os Oo 
** Stamens 4, nearly equal. 
. Meyrua. Corolla 4-cleft, nearly regular. 
. Tuymus. Corolla 2-lipped. Flowers in whorls. 
- OrtcaAnuM. Corolla 2-lipped. Flowers panicled. 
or H Go 
*** Stamens 4, 2 longer than the others. 
+ Upper lip of coroila very short. 
. Tevcrtum. Stamens projecting beyond the upper lip. Upper lip cleft. 
. Asus. Stamens projecting beyond the upper lip. Upper lip nearly entire. 
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