ANALYTICAL KEY 25 



m. Plant of fields and waysides, with hairy lanceolate leaves. 



RIB GRASS, PLANTAGO LANCEOLATA (p. 116). 



1. Flowers in umbels, nodding, very showy; corolla rose color 

 to white. SHOOTING STAR, DODECATHEON MEDIA (p. 105). 



k. Leaves not all radical. 

 1. Some or all of the leaves opposite. 

 m. Ovary i -celled. 



n. Swamp plant, the peduncles with a number of yellow flowers. 

 TUFTED LOOSESTRIFE, LYSIMACHIA THYRSIFLORA (p. 104). 

 n. Woodland plant, with a solitary white flower, and a whorl of 

 leaves at the summit of the stem. 



STAR FLOWER, TRIENTALIS AMERICANA (p. 105). 

 m. Ovary 2-celled (Veronica, whose flowers are nearly regular, 



may be sought here). 

 n. Annual with axillary, solitary white flowers. 



PURSLANE SPEEDWELL, VERONICA PEREGRINA (p. 114). 

 n. Perennial. 



o. Leaves pubescent, serrate; flowers pale blue, in axillary 

 racemes. 



COMMON SPEEDWELL, VERONICA OFFICINALIS (p. 113). 

 O. Leaves smooth or smoothish, obscurely crenate; flowers white 

 or pale blue with deeper stripes, in terminal racemes. THYME- 

 LEAVED SPEEDWELL, VERONICA SERPYLLIFOLIA (p. 114). 

 m. Ovary 3-celled (Phlox). 



n. Leaves linear; corolla lobes bifid. PHLOX BIFIDA (p. 108). 



n. Leaves broader than linear, or if linear, corolla lobes not bifid. 



O. Flowers in pyramidal or ellipsoid panicles; stems strictly erect. 



p. Calyx teeth awn-pointed. PHLOX PANICTJLATA (p. 107). 



p. Calyx teeth triangular lanceolate, scarcely pointed. 



PHLOX MACTTLATA (p. 107). 

 o. Flowers in simple or corymbed cymes. 



p. Prostrate leafy shoots wanting; leaves linear to lanceolate. 



PHLOX PILOSA (p. 107). 



p. Plant with prostrate as well as ascending shoots; leaves 

 lance oblong or broader. PHLOX DIVARICATA (p. 107). 

 1. None of the leaves opposite. 

 m. Ovary four-lobed (Boraginaceae) (p. 26). 

 n. Corolla reddish-purple; coarse pubescent herb. 



HOUND'S TONGUE, CYNOGLOSSUM OFFICINALE (p. 109). 

 n. Corolla white. 

 O. Inflorescence leafy-bracted only at the base. 



MYOSOTIS VIRGINICA (p. no). 

 O. Inflorescence leafy-bracted throughout. 



CORN CROMWELL, LITHOSPERMUM ARVENSE (p. no). 

 n. Corolla blue. 

 0. Corolla salver-form; slender, decumbent swamp plant. 



FORGET-ME-NOT, MYOSOTIS LAXA (p. no). 



o. Corolla trumpet-shaped; coarse woodland plant with showy 

 flowers. LUNGWORT, MERTENSIA VIRGINICA (p. no). 



n. Corolla yellow or orange (Puccoon). 



0. Plant hispid; flowers peduncled; corolla bearded at the base 



within. LITHOSPERMUM GMELINI (p. in). 



O. Plant soft pubescent; flowers sessile; corolla naked at the 



