254 



THE FLORA. 



Analysis of the Genera. 



* Stemleps. Leaves all radical, scape bearing an umbel a 



* Stems leafy. Flowers yellow, corolla wheel-form (tube none) . . . .b 



* Stems leafy. Flowers whit3, red, &c., never yellow 2 



2 Leaves whorled, at least those near the flowers. Corolla white.... c 



2 Leaves opposite, entire. Flowers axillary, solitary .... d 



2 Leaves alternate, entire. Flowers white e 



a Cor. tube egg-shaped, lobes short, spread. Dwarf Primrose. Andeosa'ob, 

 a Corolla tube cylindrical, lobes spreading. Primrose. Pkim''ula. 1 



a Corolla tube cylindrical, lobes reflexed. American Cowslip. Dodecath'eon. 2 



b Corolla 5-parted, without intermediate teeth. Loose-strife. Lysimach'ia. 3 



b CoroUa 6-parted, with 6 intermediate teeth. Eacemes axillary. Naumber'gia. 

 c Fls. 7-part. Lvs. entire, in a single whorl. Ghich Wintergreen. Trienta^lis. 4 

 c Fls. 5-parted. Leaves finely pinnatifid, in water. Feather-foil. Hotto''nia. 



d Plant prostrate, with scarlet corollas. Pimpernel. Anagal^lis. 5 



d Plant erect, with no corolla, but white calyxes. Black Saltwort. Glaux. 



e Fls. 5-parted, panicled. Plant 8-15'' high. Water Pimpernel, Sam'olus. 

 e Fls. 4-parted, axillary. Plant 1-2' high. Dwarf Pimpernel. CENTt7N''ciitTJS. 



1. PRIM'ULA. Primrose. Auricula. 



Calyx angular, 5-cleft. Corolla salver-shaped, or often rather funnel- 

 shaped, with 5 entire, or notched, or bifid lobes. Stamens 5, included. 

 Pod opening at the top, many-seeded. — u Herbs with the leaves all rac^- 

 ical, and the flowers showy, in an umbel on a scape. 



* Corolla salver-form, limb abruptly spreading. Plants wild, rare 1, 2 



* Corolla salver-form, limb abruptly spreading. Plants cultivated 3, 4 



* Corolla funnel-form, limb gradually spreading. Cultivated a 



a Leaves hairy, rugose, toothed, or crenate, or wavy at edge.... 5, 6 



a Leaves smooth, plane, entire, or sometimes crenate.. ..7, 8 



1 P. Mistassin'ica. Mlstassins P. Smooth, green, 3-8'' high. Flowers 1-8, 



flesh-colored. On lake shores. N. First seen on L. Mistassins. 



2 P. farino^'sa. Bird's-eye P. Mealy, 3-10' high. Flowers 3-20, lilac-yellow 



Shores of the great lakes. N. 

 S P. grandmo''ra. Common P. Petals obcordate, notched, yellow, purple, (fee, f 

 P. purpu''rea. Purple P. Petals obtuse, entire, dark-violet, never yellow, t 



5 P. ofEcina'Iis. Cowslip P. Lvs. hairy. Outer fls. nodding, border concave, t 



6 P. ela'tior. Oxlip P. Leaves smooth above. All flf«. nodding, border flat t 

 ? P. Aviric'ula. Auricula. Lvs. and calyx mealy-glaucous. Bracts very short, t 

 a P. calyci'iia. Cup P. Lvs. white-edged, calyx inflated. Bracts long. Purpl. t 



