MEADOW-FOAM FAMILY 47 



glabrous, 1-2-pinnatifid, the divisions of the lower oblong, those of the upper lanceolate or linear- 

 lanceolate ; sepals lanceolate, 6-10 mm. long, glabrous ; petals yellow toward the base, white 

 above, 10-15 mm. long, emarginate or sometimes truncate; nutlets smooth or slightly wrinkled 

 and often crowned with a few conical tubercles. 



Wet places, Upper Sonoran Zone; Humboldt County to San Luis Obispo County, California. Type locality: 

 probably in central California. Collected by Douglas. April-May. 



2. Limnanthes Striata Jepson. Foothill Meadow-foam. Fig. 3071. 



Limnanthes striata Jepson, Fl. Calif. 2:411. 1936. 



Stems several-branched from the base, 10-30 cm. high, glabrous. Leaves glabrous, the lower 

 4-10 cm. long including the petiole, odd-pinnately divided, the divisions 5-9, incisely toothed or 

 lobed, rarely entire ; sepals linear-lanceolate, 6-7 mm. long, glabrous ; petals white above, green- 

 ish yellow toward the base, striate nearly to the summit with usually 7 brownish purple veins, 

 obovate-spatulate, 8-12 mm. long, the claws with 2 vertical rows of hairs on the inner surface ; 

 nutlets brown, sparsely beset at summit with short triangular scale-like protuberances, otherwise 

 nearly smooth. 



Open moist ground. Upper Sonoran Zone; foothills of the Sierra Nevada, Eldorado County to Tuolumne 

 County, California. Type locality: Willow Springs Station, Amador County, California. March-May. 



3. Limnanthes Bakeri J. T. Howell. Baker's Meadow-foam. Fig. 3072. 



Limnanthes Bakeri J. T. Howell, Leaflets West. Bot. 3: 206. 1943. 



Plant glabrous and flaccid, stems erect, 8-20 cm. high, simple or rarely with 1 or 2 shorter 



branches from near the base. Basal leaves few, 3-5 cm. long, often withering at flowering time, 



those subtending the peduncles similar ; leaflets 3-5, ovate to oblong-elliptic, entire, 6-10 mm. long ; 



peduncles, at least the lower elongated, 6-8 cm. long; sepals broadly lanceolate, 6-8 mm. long; 



petals cuneate, 6-9 mm. long, pale yellow with white tips and pellucid veins; stamens 2.5-5.3 



mm. long ; nutlets 2-3 mm. long, the summit covered with small acutish tubercles. 



Wet meadowlands. Humid Transition Zone; Mendocino County, California. Type locality: about 3 miles 

 north of Willits, Mendocino County. March-May. 



4. Limnanthes versicolor (Greene) Rydb. Shasta Meadow-foam. Fig. 3073. 



Floerkia versicolor Greene, Erythea 3:62. 1895. 

 Limnanthes versicolor Rydb. N. Amer. Fl. 25: 99. 1910. 



Plants glabrous throughout, stems 1 to several from the base, firmly erect, 1-3 dm. high. 



Basal leaves erect, 3-5 cm. long, those subtending the pedicels similar but smaller ; leaflets 2-7, 



linear to narrowly oblong, acute at both ends, 5-12 mm. long, entire or those of the smaller 



uppermost leaves fewer and toothed ; flowers almost corymbose, the lower pedicels spreading and 



3-5 cm. long ; sepals broadly to rather narrowly lanceolate, 6-8 mm. long, slightly acuminate at 



apex, glabrous; petals 12-15 mm. long, cream-yellow with lilac-colored tips; nutlets wrinkled 



on the summit, without tubercles or scales. 



Moist places along streams. Upper Sonoran Zone; Shasta County, California. Type locality: Cedar Run, 

 Shasta County. April-May. 



Limnanthes versicolor var. Parishii Jepson, Fl. Calif. 2:412. 1936. Pedicels ascending rather than 

 spreading; sepals all broadly lanceolate, less acuminate; wrinkles on the summit of the nutlets finely granulate. 

 Cuyamaca Mountains, San Diego County, California. Type locality: Stonewall Mine, San Diego County. 



5. Limnanthes montana Jepson. Mountain Meadow-foam. Fig. 3074. 



Limnanthes montana Jepson, Fl. Calif. 2: 412. 1936. 



Stems 1 to several from the base, 10-25 cm. high, slender, glabrous. Lower leaves 3-5 cm. 

 long, glabrous, the divisions mostly 7, at least the lower ones 3-toothed or -lobed ; sepals glabrous 

 or very sparsely villous, 5 mm. long, ovate-lanceolate, acuminate ; petals white, spatulate-obovate, 

 obtuse at the apex, 7 mm. long, 2-2 . 5 mm. wide ; nutlets long-obovoid, with several acute protu- 

 berances on the summit. 



Springs and bogs. Upper Sonoran and Arid Transition Zones; southern Sierra Nevada, on the Tule River 

 watershed, 2,000-5,500 feet altitude, Tulare County, California. Type locality: Oriole Lake, Sequoia National 

 Park. March-May. 



6. Limnanthes Howelliana Abrams. Umpqua Meadow-foam. Fig. 3075. 



Limnanthes Howelliana Abrams, Madrono 6:27. 1941. 



Stems 1 to several from the base, 15-25 cm. high, rather succulent, glabrous. Leaves glabrous, 

 the lower 5-8 cm. long, lower divisions 2-3-lobed, the upper entire, linear-oblong or linear ; sepals 

 lanceolate, acute, 7-8 mm. long, glabrous; petals white with yellow base, obovate, 12-16 mm. long, 

 6-7 mm. wide at the subtruncate broadly emarginate apex, 9-nerved below, sparsely long-villous 

 below the middle ; nutlets thickly beset all over with broad mammilliform tubercles. 



Open, wet ground, Upper Sonoran and Humid Transition Zones; Douglas and northern Josephine Counties, 

 Oregon. Type locality: roadside and fields near Wilbur, Douglas County, Oregon. March-May. 



