EPILOBI ACE^E. 135 



7. G. viminea (Dougl.), Spach. Glabrous, 13 ft. high: leaves 

 linear-lanceolate, entire, narrowed at base, 1 2 in. long, puberulent: 

 calyx-tube 24 lines long : petals purplish with a dark spot at summit, 

 %!} in. long: stamens short, subequal: stigma-lobes linear-oblong, 

 purple: capsules 1 1% in. long, pubescent, slightly bicostate on the 

 sides. From middle parts of the State northward. 



8. G. tenella (Cav.), Wats. Puberulent, slender, erect, % 1% ft. 

 high; leaves linear, acute or obtuse, mostly entire, more or less narrowed 

 at base, % 2 in. long: calyx-tube obconic, 13 lines long: petals 3 5 

 lines, deep purple: stigma-lobes purple: capsule linear, attenuate at apex, 

 8 14 lines long, quadrangular, the sides not costate but the midvein 

 usually prominent. Common. 



H ) Racemes nodding in the bud; calyx-lobes united and turned to one 

 side under the open corolla; capsule pedicellate. 



9. G. amoeiia (Lehm.), Lilja. Slender, 12 ft. high, puberulent: 

 leaves lanceolate or oblanceolate, entire or denticulate: calyx-lube obconic, 

 2 4 lines long: petals 815 lines long, white, pink or purple, with a 

 dark purple spot near the base: filaments rather stout; anthers deep crim- 

 son, the vacant upper end white or yellowish: stigma-lobes linear: capsule 

 1 1^ in. long, narrowed at each end; pedicel 26 lines long. Along 

 the coast; the typical white-flowered form seldom seen. 



10. G. rubicunda, Lindl. Near the preceding, but often 4 ft. high: 

 calyx-tube longer, funnelf or m: petals purple, with an orange spot at base: 

 anthers orange-red, the empty end bright yellow : capsule sessile, scarcely 

 attenuate at apex. Of more northerly general range than the preceding. 



11. G. hispidnla, Wats. Simple, a few inches high, often 1 -flowered: 

 pubescence hispidulous: leaves narrowly linear, 1 2 in. long: calyx- tube 

 23 lines: petals purple, %liu. long: filaments slender: stigma-lobes 

 linear: capsules % %in. long, attenuate at apex, below abruptly contracted 

 to a short pedicel. A little known species of the valleys of the Sacra- 

 mento and San Joaquin. 



12. G. biloba (Durand), Wats. Slender, 12 ft. high, sparingly 

 branching, nearly glabrous: leaves linear to narrowly lanceolate, 1 2 in. 

 long, obscurely denticulate, the lower on long and slender petioles : petals 

 light-purple % % in. long, cuneate-obovale, deeply 2-lobed: capsule 

 puberulent, % % in. long, attenuate at apex, narrowed at base into a 

 short pedicel. Plentiful in the Briones Hills of the Mt. Diablo Kange in 

 Contra Costa Co. not far from Martinez; otherwise only in the Sierra. 



5. CLARKIA., Pursh. Erect sparingly branched annuals, with race- 

 mose or spicate purple flowers nodding in the bud. Calyx-tube more or 

 less prolonged above the ovary, deciduous. Petals 4, unguiculate, often 



