:H0 HYDROPHYLLACEAE. 



Corolla rotate-campanulate, 6 to 9 lines broad, much longer than the calyx 



3. P. divaricata. 

 Corolla-tube without appendages; leaves coarsely toothed; corolla narrowly funnelform, 



its limb 3 lines broad 4. P. brachyloba. 



B. Ovules 2 to each placenta; capsule I to 4-seeded; stamens exserted or included; 



corolla-tube with appendages. 



1. Leaves pinnately parted or divided, the divisio>is pinnately toothed or incised. 



Fruiting sepals chartaceous, oblong to broadly ovate; stamens not exserted; annual.... 



5. P. ciliata. 

 Fruiting sepals herbaceous. 



Leaf-like divisions rather coarse; fruiting sepals linear-spatulate to obovate; stamens 



exserted; perennial 6. P. ramosissima. 



Leaf-divisions fine; annuals. 



Fruiting sepals linear-spatulate to obovate; appendages with free pointed apex; stamens 



little or not at all exserted 7. P. distans. 



Fruiting sepals linear; appendages entirely adnate; stamens conspicuously exserted.. 



8. P. tanacctifolia. 

 2. Leaves with shallozv lobes, not parted or divided; annuals. 



Stamens exserted 9. P. malvae folia. 



Stamens included : 10. P. rattanii. 



3. Leaves entire or pinnately parted or divided into 3 to 7 entire lobes, the terminal 



frequently largest. 



Stamens conspicuously exserted, bearded at the middle; perennials or biennials. 



Herbage pubescent and hirsute 11. P. calif ornica. 



Herbage hispid-bristly with stinging hairs 12. P. nemoralis. 



Stamens glabrous, included ; annual 13. P. breweri. 



1. P. douglasii (Benth.) Torr. Branched from the base with ascending 

 or decumbent stems 4 to 8 in. long, or dwarf and but iy 2 in - high; herbage 

 puberulent and hirsute with mostly spreading hairs; leaves elongated-oblong or 

 linear in outline, pinnatifid or pinnately parted into several or many lobes, the 

 terminal not larger; flowers loosely racemose; pedicels slender, frequently 

 longer than the flowers; sepals spatulate, 1 to 3 lines long, % to % the length 

 of the open-campanulate light blue corolla; internal appendages semi-oblanceo- 

 late; style 2-cleft above the middle; ovules to each dilated placenta 12 to 24; 

 capsule ovate, mucronate; seeds scrobiculate. 



Sandy soils near the ocean : San Francisco to Monterey and southward. Also 

 at Antioch. In habit suggestive of Nemophila menziesii. 



2. P. circinatiformis Gray. Diffusely branching from the base, 5 in. high, 

 puberulenl and hispid; leaves elliptic to oblong-lanceolate, parallel-veined, 

 entire, st rigose-hispid ; flowers short-pediceled or at first nearly sessile, in dense 

 racemes or spikes; sepals in fruit linear-spatulate, nearly or quite 6 lines long, 

 twice or thrice the length of the capsule, hirsute or hispid with long spreading 

 hairs, especially toward the base; corolla dull white (?), narrowly funnelform, 

 2 '■_. to 3 lines long; capsule ovate, acute or mucronate, 6 to 16-seeded; seeds 

 scrobiculate. 



Mt. Diablo; Mt. Hamilton; Mariposa Co. A rare plant. 



3. P. divaricata (Benth.) Gray. Diffusely branched from the base, the 

 branches 3 to 1" in. long or more; herbage both pubescent and hirsute; leaves 

 ♦ rum ovate i" broadly oblong, I to 2 in. long, equaling or exceeding the petioles, 

 entire <>r rarely with a pair of supplementary lobes at summit of the petiole; 

 pedicels aboul ;i line long; sepals in fruit linear, 1 to ()'•!> lines long, sparsely 

 hispid-ciliate, with somewhal thickened margins and prominent midnerve and 

 cross- veins; corolla blue, broadly open-campanulate, (i to 9 lines broad; style 

 2-clefl at apex; seeds 7 to L0, somewhal pitted. 



Comm< n open hillsides in the Coast Ranges of middle California; Mt. 



Diablo; Oakland Hills; San Mateo Co.; Sausalito; Mt. Tainalpais. Mar. -Apr. 





