Evening-primrose Family 263 



vate to obovate-oblong, or on the floating stems sometimes lance- 

 olate, obtuse or acute, 2.5-6 cm. long, on petioles 1-2.5 mm. long; 

 stipules gland-like or somewhat scale-like; flowers 12-16 mm. 

 broad, deep yellow ; the petals obtuse; fruit 2.5 cm. long, spongy, 

 indehiscent; pedicel 1 cm. long or more. (/. repens Californica. 

 Wats. ; Ludwigia diffusa Californica Greene.) 



In stagnant water or muddy bottoms, in marshes toward the coast. 

 Cienega ;Mesmer; Alamitos. 



2. ZAUSCHNERIA Presl. 



Perennial herbs or somewhat suffrutescent plants ,, 

 spreading by subterranean shoots. Leaves opposite, 

 except those of the floral branches. Flowers racemose 

 along the leafy branches, large, scarlet. . Calyx-tube 

 globose, inflated just above the ovary, then becoming 

 funnelform, 4-lobed, bearing 8 small scales within at the 

 upper end of the short proper tube, 4 erect and 4 reflexed. 

 Petals 4, little exceeding the calyx-lobes, obcordate or 

 deeply cleft. Stamens 8, the 4 alternate with the petals, 

 inserted lower down and appearing shorter ; anthers 

 linear-oblong, attached by the middle. Style long, 

 exserted ; stigma peltate or capitate, 4-lobed. Capsule 

 slender fusiform, obtusely 4-angled, 4-valved, many- 

 seeded. Seeds small, comose. 



1. Z. Californica microphylla Gray. Stems tufted, 5-10 dm. 

 high, somewhat woody at base; herbage canescent with dense 

 firm tomentum; leaves many, fascicled, narrowly linear, some- 

 what mucronate ; flowers usually somewhat fascicled, 1-2 ter- 

 minating the branchlets; calyx narrowly funnelform, 3 cm. 

 long, its lobes lanceolate, about 1 cm. long; petals slightly ex- 

 ceeding the calyx-lobes, rather deeply 2-lobed, narrowed toward 

 the base, the lobes rounded at apex ; stamens about equaling the 

 petals. 



Frequent on dry hillsides in the foothills, mostly below 3000 feet. 



2. Z. Californica latifolia Hook. Stems herbaceous, 3-6 dm. 

 high; herbage somewhat canescent; leaves ovate-lanceolate, 

 nearly smooth. 



This subspecies is common in the coniferous belt of the San Bernardino 

 Mountains. 



