242 THE FLORA. 
Analysis of the Genera. 
* Stemless. Leaves all radical, scape bearing an umbel....a 
* Stems leafy. Flowers yellow, corolla wheel-form (tube none)....b 
* Stems leafy. Flowers white, red, &¢., never yellow....2 
2 Leaves whorled, at least those near the flowers. Corolla white....¢ 
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. AnpRosa’cz, 
a Corolla tube cylindrical, lobes spreading. Primrose. Prim’vra. 1 
a Corolla tube cylindrical, lobes reflexed. American Cowslip. DopEcaTH’EoN. 2 
b Corolla 5-parted, without intermediate teeth. Loose-strife. Lysimaon’ta. 8 
b Corolla 6-parted, with 6 intermediate teeth. Racemes axillary. Naumpen’ata. 
= Fils. 7-part. Lvs. entire, in a single whorl. Chick Wintergreen. Trienta’Lis. 4 
ce Fls. 5-parted. Leaves finely pinnatifid, in water. Feather-foil. Horro’/nta. 
d Plant prostrate, with scarlet corollas. Pimpernel, ANaGAL’uis. 5 
d Plant erect, with no corolla, but white calyxes. Black Saltwort. Guavx. 
e Fls, 5-parted, panicled. Plant 8-15’ high. Water Pimpernel, Sam’ouvs. 
o Fis. 4-parted, axillary. Plant 1-2’ high. Dearf Pimpernel. Centun’cuvus. 
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.—2, Herbs with the leaves all rad- 
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....8, 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, Mistussins P. Smooth, green, 8-8’ high. Flowers 1-8, 
flesh-colored. On lake shores. N. First seen on L. Mistassins. 
2 P. farino’sa. Bird's-eye P. Mealy, 8-10’ high. Flowers 8-20, lilac-yellow 
Shores of the great lakes. N. 
8 P. grandiflo’ra. Cummon P. Petals obcordate, notched, yellow, purple, &e. + 
P. purpu’rea. Purple P. Petals obtuse, entire, dark-violet, never yellow. + 
5 P. officina’lis. Cowstip P. Lvs. hairy. Outer fls. nodding, border concave. t 
6 P.ela’tior. Oxlip P. Leaves smooth above. All fis. nodding, border flat. + 
7 P. Auric’ula, Auricula. Lvs. and calyx mealy-glancous. Bracts very short. +t 
8 P.calyci/na. Cup P. Lvs. white-edged, calyx inflated. Bracts long. Purpl. t 
