HYDROLEACEAE 1097 
5. PHACELIA Juss. Annual, biennial, or Picea herbs. Leaf-blades 
toothed or dissected. Flowers in scorpioid racemes or cymes. rele ha d 
accrescent. Corolla white or variously color s entire to fimbri 
ments not dilated at the base. Styles a. oe a 90 species, ree 
can—ASpr. 
Corolla-lobes entire or merely crenulate. 
Appendages of the corolla-tube between the stamens conspicuous. 
I. BIPINNATIFIDAE. 
pendages of the corolla-tube between the stamens in- 
coi Spieuous or obsolete. II. DUBIAE. 
Corolla-lobes fimbriate, laciniate, or fimbriate-dentate. III. FIMBRIATAE. 
. BIPINNATIFIDAE 
Stamens longer than the corolla: style over 8 mm. long. » P. bipinnatifida. 
Stamens shorter than the corolla: style less than 5 mm. long. . P. brevistyla. 
DUBIAE 
Plant puberulent : : corolla white or lilac, 8-10 mm. wide. 3. P. dubia. 
Plant hirsute: corolla a -purple, 12-15 mm. wide. 4. P. hirsuta. 
III. FIMBRIATAE 
Pedicels as long as the calyx-lobes or a little longer at matur- 
ity: style-branches longer than the united portion. 
Calyx- e elliptic: corolla about 8 mm. broad; lobes la- 
ciniate toothed. 5. P. Boykinii. 
Calyx- d linear: corolla about 4 mm. broad; lobes irregu- 
larly toothed. 6. P. Bicknellü. 
Pedicels fully twice as long as the calyx-lobes at maturity: 
Style-branches shorter than the united portion. 
Corolla blue with white eye: stem erect. 7. P. Purshii. 
Corolla white or pinkish: stem spreading or decumbent. 8. P. fimbriata. 
1. sit ier Michx. Plant 1-6 dm. tall, glandular-pubescent above: 
leaves 4-11 cm. long; blades pinata divided, the segments incised or pin- 
natifid: En lobes eH Ren linear to li 
] ong: 
—6 mm. —Dam mp 
slopes, calcareous cliffs, and thiet, vari- 
ous provinces N of Coastal cd Ga. to 
Ala., Ill., Ohio, and Va.—Spr. 
P. brevistyla Buckl. eee 1-4 dm 
en ‘@endula nA above: leaves simi- 
lar f P. bipinnati ifida, but often 
smaller: pee idis linear to Dd ee 
4—5 long: corolla blui 4—5 
long; Po a shorter a the o tube; 
appendages about 14 as long as the corolla 
capsule 4-5 mm. long 7 Shaded slopes, Blue Ridge to Appalachian Plateau, 
Ala. to N. C.—Spr.- 
9. P. dubia (L.) Small. Plant 0.5-4 dm. tall, often diffuse, strigillose, as 
ell as glandular: stem-leaves p. 38-5 oval, ovate, or obovate lobes: ealyx- 
lobes 2 elliptic or nearly so, 3-4 mm. long: corolla mainly pale-lilae, 
5-6 m appendages obi x pig longer than the corolla: ovary 
and style pe pubescent: capsule 2.5-3 mm. long. '[P. parviflora Pursh]— 
k f 
4. P. hirsuta Nutt. Plant 0.5-3 dm. tall, sometimes sparingly branched, 
hirsute: stem-leaves with 5-7 lanceolate, elliptic, or ovate lobes: calyx-lobes 
