PIPER—-FLORA OF THE STATE OF WASHINGTON. 507 
LIMOSELLA. 
Leaves filiform-linear..............-.-.-.-.------------------------- 1. L. tenuifolia. 
Leaves spatulate or oblong. ........-.---.----.---------------------- 2. L. aquatica. 
1. Limosella tenuifolia Hoffm. Deutsch. FI. 1°: 29. 1804. 
TYPE LocaLity: Germany. 
Rance: Washington; Labrador to New Jersey. Europe. 
SPECIMENS EXAMINED: Kalama, Piper, October 31, 1901; Lake Chelan, Eimer 491. 
Perhaps only a subspecies of L. aquatica. 
2. Limosella aquatica L. Sp. Pl. 2: 631. 1753. 
Tyee cocauitry: “Habitat in Europac septentrionalis inundatis ”’ 
Rance: Alaska to Labrador, south to California and Colorado. Europe. Asia. South 
America. 
SPECIMENS EXAMINED: White Salmon, Suksdorf; Ritzville, Sandberg & Letberg 193. 
MIMULUS. 
Flowers reddish or purple. 
Corolla with a very long slender tube ............------------ 1. M. subunrflorus. 
Corolla with a moderate tube. 
Stigmas funnelform. 
Leaves elliptic, acute; corolla 1.5 to 2m. long....... 2. M. nanus. 
Leaves ovate, acuminate; corolla 2 to 2.5em. long.... 3. M. cusickit. 
Stigmas 2-lipped. 
Flowers very small, about .5 mm. long, pale purple... 4. M. brewer. 
Flowers large, over 2 cm. long. 
Corolla scarlet; stamens exserted......-.-.----- 5. M. cardinalis. 
Corolla rose-purple; stamens included........... 6. M. lewisi. 
Flowers yellow; stigmas 2-lipped. 
Calyx not angled, deeply 5-cleft.......-..--.-.------------- 7. M. pilosus. 
Calyx 5-angled, 5 toothed. 
Perennials. 
flowers solitary on scapes.._...---.--------------- 8. M. primuloides. 
flowering stems leafy. 
Leaves pinnately veined. 
Herbage glabrous............-.------.----- 9. M. dentatus. 
Herbage slimy-viscid, musk-seented..... ~~. - 10. M. moschatus. 
Leaves palmately veined. 
Rootstocks wanting. 
Stems stout or stoutish, 10 to 60 em. high; 
leaves not viscid; corolla 2 to 5 em. 
long. ......-.---------- 22-222 - eee 11. M. langsdorfii. 
flowered; corolla 12 to 15 mm. long; 
leaves small. _....-.--------------- 13. M. microphyllus. 
Rootstocks present. 
Stems 2 to 4 em. high, mostly 1-flowered ; 
plants stoloniferous, densely matted, 
alpine.......-.-..-.--------------- 12. M. alpinus. 
Stems 10 to 20 cm. high, mostly several- 
flowered, arising from slender matted 
rootstocks; herbage slimy-viscid...... 14. M. implerus. 
¢ 
Annuals. 
Corolla rather large; leaves palmately veined... .... . 15. M. nasutus. 
