232 ONAGRACE^E. Clarkia. 



each side : perfect stamens with a linear scale on each side at base, the alternate 

 stamens rudimentary and filiform : stigma-lobes equal, dilated : capsule 8 to 1 2 

 lines long, 8-angled, on a spreading pedicel 2 to 3 lines long: seed obliquely cubical, 

 minutely tuberculate, two thirds of a line long. Fl. 260, t. 11. 



Washington Territory, Oregon and Idaho ; not yet collected in California. Frequent in culti- 

 vation, in several varieties, and often figured. 



2. C. Xantiana, Gray. Stem glabrous, about a foot high : leaves linear or 

 narrowly lanceolate, entire, ashy-puberulent, as also the. inflorescence: petals 2-lobed 

 with a subulate tooth in the sinus ; the claw short and broad, not hairy nor appen- 

 daged at base : stamens 8, all perfect, without scales at the base : stigma-lobes 

 broadly oval, short : capsule nearly sessile, 9 lines long. Proc. Bost. Soc. j^at. 

 Hist. vii. 145. 



Near Fort Tejon, Xantus. 



3. C. elegans, Dougl. Glabrous or puberulent, J to 6 feet high, simple or 

 branched : leaves broadly ovate to linear, repandly toothed : petals entire, rhom- 

 boidal ; the long slender claw without teeth : anthers all perfect ; filaments with a 

 densely hairy scale at each side of the broader base : stigma- lobes equal : capsule 

 nearly sessile, 6 to 9 lines long, obtusely 4-angled, rather stout and often curved, 

 somewhat villous. Lindl. Bot. Keg. t. 1575. C. unguiculata, Lindl. Bot. Eeg. 

 under t. 1981. Phceostoma Douglasii, Spach, Monog. Onagr. 74. 



Valleys and hillsides, from Mendocino Co. to Los Angeles and the foot-hills of the Sierra 

 Nevada. Common in cultivation. 



4. C. rhomboidea, Dougl. Puberulent or nearly glabrous, 1 or 2 feet high : 

 leaves oblong-lanceolate to -ovate, 2 inches long, the upper narrower, all on slender 

 petioles, entire : petals entire, rhomboidal, with a short broad claw which is often 

 broadly toothed: anthers all perfect; filaments with hairy scales at the base: stigma- 

 lobes short: capsules 8 to 12 lines long, 4-angled, nearly glabrous, on pedicels about 

 a line long. Hook. Fl. i. 214 ; Lindl. Bot. Reg. t. 1981. C. gauroides, Don in 

 Sweet, Brit. Fl. Gard. 2 ser. t. 379. Opsianthes gauroides, Lilja, Linntea, xv. 261. 



Of wider range than the preceding, but not frequent. San Diego (Cleveland) ; in the Sierra 

 Nevada northward to Washington Territory, and in the mountains eastward through Nevada to 

 the Wahsatch. 



10. EUCHABIDIUM, Fischer & Meyer. 



Calyx-tube linear-elongated above the ovary. Stamens 4, opposite to the sepals, 

 not appendaged at base. Otherwise as Clarkia, to which it should probably be 

 referred. Only the following species. 



1. E. concinnum, Fisch. & Mey. Glabrous or puberulent, closely resembling 

 Clarkia rhomboidea in habit and foliage : calyx-tube nearly filiform, an inch long : 

 petals 3-lobed, without teeth upon the claw, 6 to 9 lines long : filaments filiform : 

 stigma-lobes unequal : capsules 8 to 12 lines long, sessile : seeds imbricated, papil- 

 lose, concave and margined on the upper side. Ind. Sem. Petr. ii. 11; Lindl. 

 Bot. Reg. t. 1962 ; Hook. Bot. Mag. t. 3589. E. grandiflorum, Fisch. & Mey. 1. c. 

 vii. 40 ; C. A. Meyer, Sert. Petr. t. 13. 



In the Coast Ranges from Santa Barbara to Mendocino County, and especially about the Bay 

 of San Francisco. 



2. E. Breweri, Gray. A foot high : leaves narrowly lanceolate, an inch long 

 or more, attenuate to a short petiole : calyx-tube 12 to 18 lines long : petals large, 

 cuneate-obcordate, with a narrow subulate lobe in the deep sinus : filaments clavate : 

 stigma-lobes linear: capsule stout, sessile, 15 to 18 lines long. Proc. Am. Acad. 

 vi. 532. 



On the dry summit of Mount Oso, Stanislaus Co. , Brewer. 



