PHACELIA FAMILY 243 



Corolla white, 1% to 1% times as long as the calyx; leaf -blades mostly broader than 



long 36. P. rotundi folia. 



Corolla purple or pink, 2 times as long as the calyx ; leaf -blades mostly longer than 



broad 37. P. mustelina. 



Leaves not cordate. 



Leaves rather broad, mostly orbicular, ovate or broadly oblong. 

 Style bifid or cleft near the apex ; stamens included. 



Leaves entire or with 1 or 2 lobes or teeth near base. 



Corolla fimnelform or campanulate, 3 to 9 lines long, longer than the 

 calyx ; scales present, conspicuous. 

 Corolla blue. 



Corolla 4 to 7 lines long; Coast Ranges 38. P. divaricata. 



Corolla 3 to 3V, lines long ; Sierra Nevada.... 39. P. congdonii. 

 Corolla violet with white throat and tube, 3% to 4 lines long; 



Santa Ana Mts 40. P. hechii. 



Corolla tubular, -^ to 1% lines long, shorter than calyx; scales very 



narrow or none; Mono Co 41. P. saxicola. 



Leaves crenate or dentate ; corolla 2 to 4 lines long. 



Plants 7 to 12 inches high ; corolla light blue; cent. Coast Ranges and 



Amador Co. foothills 42. P. suaveolens. 



Plants 3 to 10 inches high ; transmontane deserts. 



Stems few to several from the base, diffuse ; corolla blue or bluish, 



its scales obscure or none ; Mohave Desert..43. P. parishii. 



Stems simple at base, strictly erect, branched above ; corolla white, 



its scales long and narrow ; ranges in and bordering the 



deserts 44. P. lemmonii. 



Style cleft to near the middle or below. 



Divisions of style short, not exserted from corolla; inner South Coast 



Range 45. P. phacelioides. 



Divisions of style long, well-exserted from corolla. 

 Stamens exserted. 



Corolla nearly white; ovules 5 or 6 to each placenta; Santa Lucia 



Mts 46. P. grisea. 



Corolla violet or pale blue ; ovules 2 to 4 to each placenta ; Sierra 



Nevada 47. P. purpusii. 



Stamens included ; Tuolumne Co. to Mariposa Co 48. P. vallicola. 



Leaves rather narrow, linear or oblanceolate, mostly entire. 



Herbage glandular-puberulent and spreading-liispid ; racemes terminal on the 

 branches in Is and 23 ; style cleft about % ; ranges bordering the 



deserts 49. P. moliavensis. 



Herbage minutely pubescent and usually spreading-hispid also ; racemes short, 



disposed racemosely in a leafy panicle; style cleft % ; n. Cal 



50. P. linearis. 



II. Corolla-scales none (that is, no proper scales arising frou corolla) ; 



(of. also p. parishii) ; ANNUALS. 



Filaments not dilated at base; corolla deeply saucer-shaped; ovules 25 to 60 on each placenta; 

 along the coast from Monterey Co. to San Diego Co. — Subgenus Gymnobtthus. 

 Corolla blue with white or purple center, mostly 6 to 9 lines broad; pedicels % to 5 (or 9) 



lines long 51. P. viscida. 



CoroUa pale blue or purplish without white center, % to 2 inches broad ; pedicels % to 2 lines 



long 52. P. grandiflora. 



Filaments with a dilation or with wings at base; pedicels 2 lines to 2% inches long. — Subgenus 

 Whitlavia. 

 Corolla subrotatish to turbinate-campanulate, cleft about to middle. 



Corolla deep violet, purple or blue, % to 1^/4 inches broad, the tube with 5 large whitish 

 spots; ovules about 12 to 30 to each placenta. 

 Stem (main axis) slender, mostly i/i to 1-14 feet high, somewhat remotely leafy 

 throughout; basal dilation of filaments not toothed; leaves thin; coastal 



S. Cal. and w. side of Colorado Desert 53. P. parryi. 



Stem (main axis proper) stout and short (1 to 3 inches long), densely leafy, bearing 

 flowering branches 3 to 5 inches long; basal dilation of filaments with 



a spreading subulate tooth on each side; leaves thick; se. Inyo Co 



54. P. nashiana. 



Corolla white, 3 to 6 lines broad, the tube not spotted; ovules 5 to 8 to each placenta; 



coastal S. Cal 55. P. longipes. 



