68 L I N E M . 



ovoid, equalling the calyx, tardily dehiscent, incompletely 10-celled, the 

 sepia not ciliale. — One of the cultivated flaxes; occasionally spontaneous. 



2. L. humilb, Mill. Much like the last, but lower and more branch- 

 ing: capsule more elongated, promptly dehiscent, the sepia ciliale. — 

 Another flax of the Old World, sometimes found wild by waysides. 



3. Ji. Lewisli, Pursh. Perennial, glabrous, glaucous^ 1 — 2^ ft- high, 

 densely leafy below, lax-corymbose above : sepals broadly ovate, not cil- 

 iate, 3 — 7-carinate-nerved: petals large, deep blue: capsule broadly ovate, 

 obtuse, 3 — 4 lines long, twice as long as the sepals, the 10 valves 

 dehiscing widely, the septa ciliate. — San Mateo Co. 



* * Annuals; leaves often with stipular glands; fl. small, white, rose- 

 purple or yellow; sepals usually glandular-ciliate ; petals commonly 

 with lateral teeth and ventral appendages, pistils only 2 or S. 



+- Petals yellow. 



i. L. Breweri, Gray. Slender, 3—12 in. high, glabrous, glaucous, 

 few-flowered: leaves linear-setaceous, 6 — 8 lines /long; stipular glands 

 conspicuous: sepals V/ 2 lines long, ovate, acute, glandular on the mar-- 

 gin: petals spatulate, emarginate, % in. long, 3-appendaged at base: 

 capsule ovoid, acute, about equalling the calyx. — In the Vacaville and 

 Mt. Diablo foot-hills; also on Lone Mountain, San Francisco. 



-t— -t— Flowers white or pink. 



5. L. spergnlinuin, Gray. Slender, loosely dichotomous-paniculate, 

 6 — 15 in. high, glabrous or with scattered hairs: leaves linear, obtuse, 

 little narrowed at base, with or without stipular glands: pedicels slender 

 nodding: sepals ovate, glandular-ciliate; petals white or rose-colored, 

 obovate, 2 — 3 lines long, 3-appendaged at base: capsule ovoid, acute, 

 exceeding the calyx. — Dry woods of the Coast Bange; common in Marin 

 and Sonoma counties. 



6. L. Californicum, Benth. Glaucous, glabrate or puberulent, 5 — 15 

 in. high, with angular branchlets: leaves remote, linear, the stipular 

 glands prominent: pedicels short, erect, not exceeding the rose-colored 

 flowers, these clustered at the ends of the branchlets; sepals ovate-lanceo- 

 late, acute, carinate below, sparingly glandular-ciliate; petals obovate> 

 % in. long, twice the length of the calyx, dilated and 3-appendiculate 

 below; filaments not toothed: capsule ovoid, acute, little shorter than 

 the calyx, the false partitions broad, gradually narrowed upwards. Var. 

 confertum, Gray. Low, densely leafy, the inflorescence condensed; 

 median appendage of petals obovate.— Eastern slope of Mt. Diablo 

 Eange, also about San Francisco. 



7. L. congestum, Gray. Size of the last, glabrous except the calyx, 

 the branches short and crowded: stipular glands small: fl. rose-purple, 



