. 
DIDYNAMIA. ANGLOSPERMIA. 31 
- Jower lip prominent, Stigma thick and bifid. 
Capsule 2-celled, many-seeded. Seeds minute. 
. ‘Mostly herbaceous plants, with prominently ae de i: 
lar stems and opposite leaves; peduncles solitary and ax- 
ge  illary, 1-fowered, destitute of bractes; colour of the flow- 
| ers blue or yellow. “ : 
Srecies. 1. M. ringens. 2. alatus. Nearly allied to 
the Preceding. — ‘3, luteus. 4. Lewisii. Pu. 
_ A small genus of 6 species, pantiycindigenoyy to both. 
North and South America. — 
Fe , CHELONE. L.. oe 
' = = hal 5-parted, tribracteate. Corolla rin- 
; gent, ventricose. Sterile filament shorter than 
the rest; anthers lanuginous. Capsule 2-celled, — 
2-valved. Seeds membranaceously margined. 
# 
} _.. Herbaceous plants with opposite leaves; flowers subim- 
: _ bricately spiked, terminal; lower lip of the corolla inter- 
4 - _ nally bearded; capsule oval. (C. barbata is a Pentstemon, 
i : "and therefore an exception to the artificial character.) 
. OSes > Gamers: = 42-6, Leaves” ee 
2 acumi nate, ile, smooth. 
sile, under aide pubescent; bra: 
mentsof the calixoblong. Pro! 
2. obliqua. 3. Lyoni. v. v. Near Wi sak, Cc 
es North American genus. % 
;3 439, PENTSTEMON, Z. 
Calix | leaved. Corolla bilabiate, v 
« ‘The lg, sterile fil: 
: and th 
rbaceous and peren ‘ rarely shrubby or 
icose; leaves opposite, entire, flowers paniculate, 
rarely scarlet, or : hr usually bilabiate. 
x and tubular; : 
orifice usually 
