98 NORTH AMERICAN FLORA [Volume 25 



8 mm. long, villous with long white hairs; petals white, broadly obovate-cuneate, truncate 

 or slightly emarginate, with a very broad notch, 10-15 mm. long; carpels obovoid, 4 mm. 

 long, with low, ridged tubercles. 



Type locality : Wet places in the Sacramento Valley, California. 



Distribution : Northern and central California. 



Illustration: Mem. Bost. Soc. Nat. Hist. 4: pi. 12, f. 19 (fruit). 



2. Limnanthes floccosa Howell, Fl. NW. Am. 1 : 108. 1897. 



Low annual ; stem sparingly branched or nearly simple, 3-7 cm. high, with scattered 

 hairs, decumbent; leaves 2-5 cm. long, pinnate, with scattered hairs ; divisions entire, linear 

 or lanceolate, or sometimes 3-cleft with lanceolate lobes ; peduncles 1-3 cm. long ; sepals 

 ovate, acuminate, 7-8 mm. long, villous with long white hairs, densely so within ; petals 

 white, oblong or oblong-cuneate, truncate, not exceeding the sepals ; carpels obovoid, the 

 upper half beset with white acute processes. 



Type locality : On gravelly plains, Jackson County, Oregon. 

 Distribution : Oregon and northern California. 



3. Limnanthes rosea Hartw.; Benth. PI. Hartw. 302. 1848. 



Limnanthes pulchella Hartw. Jour. Hort. Soc. London 4 : 79, as a synonym. 1849. 

 Floerkea rosea Greene, Fl. Fran. 100. 1891. 



Glabrous annual ; stems copiously branched at the base, decumbent or ascending, 1-3 

 dm. long ; leaves petioled, 5-10 cm. long, pinnately or bipinnately dissected into narrowly 

 linear divisions; peduncles 5-10 cm. long ; sepals lanceolate, 7-8 mm. long, acute ; petals 

 obcordate.with a broad shallow notch, 12-18 mm. long, pale-rose or nearly white, marked 

 with short longitudinal rose or purplish lines, more or less villous below; carpels obovoid, 

 over 4 mm. long, with very high prominent tubercles with strong side ridges. 



Type locality : Upper Sacramento Valley, California. 



Distribution : California. 



Illustrations : Jour. Hort. Soc. London 4 : 78,/; Fl. Serres 5 : /. 431B ; Baillon, Hist. PI. 5 : 

 /. 50-54. 



4. Limnanthes Douglasii R. Br. Phil. Mag. III. 2 : 70. 1833. 



Floerkea Douglasii Baillon, Adansonia 10: 362. 1873. 



Glabrous annual ; stem much branched, especially near the base, decumbent to erect, 

 1-3 dm. long; leaves long-petioled, 5-10 cm. long, twice-pinnatifid ; primary divisions of 

 the lower leaves 7-11, oblanceolate or oblong in outline, usually deeply divided into nar- 

 rowly linear or linear-lanceolate divisions 1 mm. or less wide ; the upper leaves less 

 divided ; peduncles 4-10 cm. long ; sepals lanceolate, acute, 5-6 mm. long, glabrous ; 

 petals oblong-cuneate, 10-15 mm. long, yellow, with white tips, somewhat long-hairy 

 within, with a deep and narrow notch at the apex; carpels obovate, 3.5-4 mm. long, with 

 prominent longitudinal tubercles, longer than high, which have prominent cross-ridges, 

 making the carpel look honey-combed. 



Type locality : Northwestern America. 



Distribution : Wet places, California. 



Illustrations: Bot. Reg. 20 : pi. 1673 ; Bot. Mag. pi. 3554. 



5. Limnanthes sulphurea Loud. Encyc. PI. 1543. 1855. 



Limnanthes Douglasii Sweet, Brit. Fl. Card. 2 : 378. 1838. Not L. Douglassii R. Br. 1833. 

 Limnanthes sulphurea odorata Loud. Encyc. PI. 1543. 1855. 



Glabrous annual ; stem ascending, branched from the base, 1-3 dm. high ; leaves long- 

 petioled, 5-15 cm. long, pinnatifid ; divisions of the lower leaves 9-17, cuneate, obovate, or 

 ovate, 1-1.5 cm. long, 3-9-toothed or cleft with lanceolate teeth; upper leaves with fewer 

 and narrower divisions; peduncles 3-10 cm. long; sepals lanceolate or ovate-lanceolate, 

 glabrous, 8-10 mm. long ; petals obcordate, 12-18 mm. long, veiny, bright-yellow below, 

 white above, with an open notch at the apex ; carpels strongly and densely tubercled with 

 short conic tubercles, but not honey-combed. 



Type locality : Not given. 



Distribution : Central and northern California and southern Oregon. 



Illustration : Sweet, Brit. Fl. Garden 2 : pi. 37S [as L. Douglasii}. 



