FIGWORT FAMILY 221 



are due to variation or whether they are hybrids between 

 distinct species. A third but unnamed form, with very nar- 

 row, sharply toothed leaves scattered along the lower part of 

 tall stems, has been found in shady, grassy places in the 

 Yosemite Valley. 



2. M. luteus L. Common Monkey-flower. Leaves ovate or 

 roundish, sharply toothed, ^ to \]/ 2 in. long, only the lower 

 ones petioled. Corolla bright yellow, often dotted in the 

 hairy throat with cinnamon, ^ in. or more long, strongly 

 2-lipped, the throat nearly closed. (M. langsdorfii Don.) 



This is an annual, or perennial from slender, creeping 

 stems, with erect, leafy stalks bearing usually several long- 

 pediceled showy flowers. It is often tall and robust, some- 

 times very short, passing into several named varieties. M. 

 implexus Greene, is a form (or distinct species ?) with short 

 stems from many slender rootstocks, broad, rounded, thin 

 leaves, and flowers large for the size of the plant. It grows 

 in moist soil at high altitudes. M. nasntus Greene, is a variety 

 in which the lateral calyx-teeth turn toward the upper one, 

 which in fruit is twice the length of the others and beak-like. 

 It grows at low altitudes and the flowers vary from small to 

 large. 



3. M. laciniatus Gray. Cut-leaf Monkey-flower. Plant 

 apparently annual, much branched, especially near the base, 

 the slender stems 6 to 18 in. high, including the loosely 

 flowered racemes. Leaves 1 to 2y 2 in. long, petioled, lanceo- 

 late in outline, irregularly cleft or pinnately parted into small 

 lobes. Corolla pale yellow, y A to 24 in - long, 2-lipped, the 

 lower lip hairy and often with a brown dot at throat. 



The deeply lobed or parted leaves, which may always be 

 found on well developed plants of this monkey-flower, make it 

 very easy of determination. But dwarfs with merely toothed 

 leaves, such as are likely to occur when the soil is very shal- 

 low, resemble small specimens of no. 2. It is a rare species 

 and is restricted to moist places, especially near the spray of 

 waterfalls, as in Yosemite Valley and Tenaya Canon. The 

 original description was drawn from specimens gathered "on 

 the South Fork of the Merced at Clark's Ranch," by Dr. Asa 

 Gray. This ranch is the present site of Wawona. 



4. M. moschatus var. longiflorus Gray. Musk Plant. 

 Stems erect, 4 to 18 in. high, leafy throughout with basal 

 leaves crowded. Leaves more or less petioled, ovate or ellip- 

 tic, sparingly toothed, ^ to 2 in. long, ^ to 1% in. wide. 

 Flowers conspicuous, usually borne in pairs on long slen- 



