aid 
posteriorly; pubescent within at base 
of anterior lobes. No bractlets below 
1 
Perfect stamens four, with slender straight 
filaments. Corolla 15-30 mm. long, 
its orifice nearly closed by the raised 
anterior lip; the posterior lobes round- 
ed and nearly equaling anterior. Style 
without tubercle-like base. Capsule 
loculicidal, tardily 
Sepals united over one-half length. 
Perfect stamens two; the antero-lateral 
filaments fused with corolla ridges, 
from near apex of which abruptly 
upcurving. Corolla lavender, 2-10 
mm. long, its orifice open; the pos- 
terior lobes acute and shorter than 
the anterior, or else wanting. Style 
with white tubercle-like base. Cap- 
sule septicidal, the thin plate-like 
septum persisting. 
Corolla 6-10 mm. long, with two pos- 
terior lobes developed. Postero- 
later: stamens perfect, antero- 
lateral filaments without anthers. 
Sepals five, united at base. Plants 
erect or ascending, with leaves I-3 
cm. long. 
Corolla 2 mm. long, with two posterior 
lobes lost. Postero-lateral stame 
lost, antero-lateral filaments with 
anthers. Sepals four (the posterior 
lost), united nearly four fifths their 
length. Plant repent, with leaves 
septicidal 
.3-.5 em. lon 
DD. Leaves alternate. Cue = a spur at 
adjacent capsule-wall persisting, the remaining 
wall splitting irregularly. 
AA. Corolla with the anterior lobes external in the bud. 
(Rhinanthoideae.) 
B. Stamens two, the postero-laterals presentz the 
antero-laterals completely lost. Antero-lateral 
Sepals four, the posterior lost. Posterior lobes of 
corolla completely fused. 
7. Mimulus. 
8. Ilysanthes. 
9. Hemianthus. 
V. ANTIRRHINEAE 
10. Linaria. 
VI. VERONICEAE. 
