/4, Mimulus 1.  Nonkty flower: 
Annual or perennial herbs with opposite usually dentate leaves. Flowers 
perfect, axillary or in racemes or panicles. Calyx distinctly 5-angled, the 
lobes mostly unequal, the orifice consequently more or less oblique. Corolla | 
yellow or purple, two-lipped, the throat either open or closed, bearing two 
ridges on the lower surface within. Stemens 4. Style glabrous, the stigma 
two-lobed. Fruit a loculicidal capsule. 
© Corolla yellow; anthers glabrous or sparsely pilose; dehiscence 
hie capsule not cleaving the septum; seeds ellipsoid@ 
4)“ orbicular 
Z,Corolla not obviously two-lipped, the throat open 
4 Corolla 16-21 mm. long, deep-yellow, somewhat 
g streaked with purple within at least on the 
Ge ari lobes [- Ms moschatus 
——- 
Corolla 8-11 mm. long, pale-yellow, sanetimes 
g purple-spotted within anteriorly but not 
: \crociea 
( Stems and pedicels villous with viscid 
/o hairs; corolla tube 10 mn. long 2, Me. floribundus 
Stems and pedicels puberulent; corolla 
fotube 7 mn. long 3 Me breviflorus 
_, 
A Corolla strongly two-lipped, the throat nearly 
Gor quite closed by the palate-like lower lip 
4 Flowers usually numerous in elongate racemes; 
6 pedicels usually shorter than the corollas 4. Me guttatus 
ep 
4 Flowers commonly three to five rarely seven; 
8 pedicels usually longer the the corollas & Me Tilingi 
O Corolla purple-reds; anthers densely white-hispid; dehiscence 
of cavsule cleaving the septum distally; seeds oblonge> 
\lanceolate 
2 Corolla tewpse, 40-45 mm, long, deciduous; moture cavsule 
¢ genelosed within the calyx-tube 3 vedicels longer than 
the calyces 6 it. Lewisii 4 
2. Corolla Sted, 12-15 me lox, shriveling ond semi-versis- ‘ 
/ tent; mature cavsule exserted bevond the Calyx; ned- 
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