ANALYTICAL KEY 25 



m. Plant of fields arid 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, 

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

 Tufted Loosestrife, LYSIMACHIA THYKSIFLOKA (p. 104). 

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

 leaves at the' summit of the- stem. 



Star Flower, TRIENTATIS AMERICANA (p. 105). 

 m. Ovary 2-celled iP'eronica, whose flowers are nearly regular, 

 may be sought here). 

 n. Annual with axillary, solitary white flowers. 



Purslane Speedwell, YEROKICA PEREGRINA (p. 114). 

 n. Perennial. 

 u. 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'). 



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



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



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



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



p. Calyx teeth triangular lanceolate, scarcely pointed. 



PHLOX MACTTLATA (p. 107). 

 u. 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). 

 I. 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, 

 u. Inflorescence leafy-bracted only at the base. 



MYOSOTIS VIRGINIOA (p. no). 

 0. Inflorescence leafy-bracted throughout. 



Corn Gromwell, LITHOSPERMUM ARVENSE (p. no). 

 n. Corolla blue. 

 Op 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). 



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



within: LITHOSPERMUM GMELINI (p. in). 



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



