244 POLEMONIACE.iE. 



4. E. flori lunula, Benfch. Bather strict and closely flowered, 6—10 

 in. high, corymbose-cymose at summit: lower leaves oblong; upper 



"lanceolate: fl. short-pedicelled, or those in the forks nearly sessile; lobes 

 of pinkish corolla oblong, only ii lines long, the tube twice or thrice longer: 

 anthers short-oblong: seeds round-ovoid. — San Bruno Mountains, Behr. 



5. E. trichantha, Griseb. Fastigiate-cymose and profusely flower- 

 ing, 4 — 8 in. high: leaves oblong-oval to lanceolate: corolla-lobes oblong- 

 lanceolate, }i in- long or more: filaments slender; anthers linear: seeds 

 oval-oblong. — Marin and Napa counties. 



3. GEJJTIANA, Diosc. Herbs with showy usually blue corollas 

 commonly persistent on the calyx and enclosing the mature capsule. 

 Corolla campanulate or funnelform, the 5 lobes with plaited folds in 

 their sinuses. Stamens included. Style short or 0. Capsule septicidal, 

 sometimes with its whole inner wall placentiferous. 



1. (x. Oregana, Engelm. Perennial, erect, stoutish, 1—2 ft. high: 

 leaves ovate to ovate-oblong, 1 — \ l / 2 in. long: fl. few at summit of stem: 

 corolla 1 in. long or more, deep blue, funnelform, the ovate lobes not 

 narrowed at base, the plaits extended into a conspicuous laeiniate- 

 toothed or -cleft appendage. — Mt. Tamalpais, and hills northward. 



4. MENTANTHES, Dalechamps. Bog perennial, with thick horizon- 

 tal rootstocks bearing long petioled leaves (in ours trifoliate) and a 

 naked scape with a terminal raceme of white flowers. Corolla campan- 

 ulate, 5-cleft; the lobes fimbriate-bearded on the face. Anthers sagittate, 

 versatile. Ovary surmounted by a long style. Capsule globular. Seeds 

 few and rather large; the close testa smooth, shining crustaceous. 



1. M. trifoliata, L. Petioles and scape stout, 1 ft. high or less: leaf 

 divided into 3 oblong-obovate entire or repand leaflets: corolla less than 

 1 in. long, densely bearded within, white or rose-tinted. — Formerly at 

 San Francisco, but extinct there since 1859, according to Dr. Behr; not 

 rare in the Sierra Nevada, and elsewhere northward beyond our limits. 



Obdeb lxx. POLEMONIACE/E. 



Mostly herbs, with watery juice of no marked properties. Leaves 

 exstipulate, simple or divided. Flowers complete, 5-merous (rarely 4- 

 merous), except the pistil, which is 3-merous; the style 3-cleft, the ovary 

 3-celled. Fruit capsular, loculicidally dehiscent, with axial placentae 

 and few or many seeds; these commonly mucilaginous when wet. 



* Calyx herbaceous throughout. 



Calyx slightly accrescent, otherwise unchanged in age Polemonium 1 



* * Calyx scarious or coriaceous at base. 



Calyx-segments equal, the sinuses in age distended into a short lobe. .Collomia 2 

 " unequal; sinuses unchanged in age Navarretia 3 



