38 CLASS V. ORDER I. 



anth corolla-like, deeply 4-parted, permanent, becoming thick and spongy; style 

 pyramid-form, 4-sided ; stigma simple, minute ; berries globose, 2-seeded, en- 

 closed in the spongy spadix receptacle, (skunk-cabbage.) 



Sanguisor'ba. Calyx coloured, 4-lobed, with 2 scales at the base; capsule 

 4-sided, 1 or 2-celied. (burnet saxifrage.) 



Alchemil'la. Calyx8-cleft, segments spreading, alternately smaller; style lat- 

 eral from the base of the germ ; fruit surrounded by the calyx, (ladies' mantle.) 



ORDER n. DIGYNIA. 



Hamame'us. Involucrum 3-leaved ; perianth 4-leaved or 4-cleft ; petals 4, 

 very long, linear ; nut 2-celled, 2-horned. (witch-hazel.) Flowers in autumn, 

 and perfects its seed the following spring. 



ORDER IV. TETRAGYNIA. 



Flex. Calyx minute, 4 or 5-toothed; corolla 4-parted; style 0; stigmas 4; 

 berry 4-celled, cells 1-seeded. (holly.) 



Sagi'na. Calyx 4 or5-parted; petals 4 or 5, or none ; stamens 4 or 5; capsule 

 4 or 5-valved, 1-celled, many-seeded. 



Potamoqe'ton, Flowers on a spadix ; calyx and corolla ; nuts 4, l-seeded, 

 sessile. 



CLASS V. PENTANDRIA. 



ORDER I. MONOGYNIA. 

 A. Flowers l-petalled, inferior ; seeds naked in the bottom, of the calyx. 



ROUGH-LEAVED PLANTS. 



Myoso'tis. Calyx half 5-cleft, or 5-cleft ; corolla salver-form, curved, 5-cleft, 

 vaulted, the lobes slightly emarginate ; throat closed with 5 convex converging 

 scales ; seeds smooth or echinate. (scorpion grass.) 



Cynoglos"sum. Calyx 5-parted ; corolla short, funnel-form, vaulted ; throat 

 closed by 5 converging convex processes ; seeds depressed, affixed laterally to 

 the style, (hound-tongue.) 



Lycop"sis. Calyx 5-cleft ; corolla funnel-form ; throat closed with ovate con- 

 verging scales ; seeds perforated at the base. 



Bora'go. Corolla wheel-form, the throat closed with rays, (borage.) Ex. 



Anchu'sa. Calyx 5-parled; corolla funnel-form, vaulted; throat closed) 

 seeds marked at the base, and their surface generally veined, (bugloss.) Ex. 



Sym"phytum. Limb, or upper part of the corolla, tubular, swelling; the 

 throat closed with subulate rays, (comfrey.) Ex. 



Heliotro'pium. Calyx tubular, 5-toothed ; corolla salver-form, 5-cleft, with 

 teeth or folds between the divisions; throat open. Spikes recurved, involute, 

 (turnsole.) 



Lithosper"mdm. Calyx 5-parted, segments acute ; corolla funnel-form ; bor- 

 der 5-lobed; orifice naked ; stamens within the tube of the corolla; stigma ob- 

 tuse; seeds hard and shining, (gromwell.) 



Bats'chia. Calyx deep 5-parted; corolla salver-form, with a bearded ring 

 within the straight tube, (false bugloss.) 



Polmona'ria. Calyx prismatic, 5-cornered, 5-toothed; corolla funnel-form; 

 Dorder 5-lobed ; tube cylindrical, (lung-wort.) 



E'cHinM. Calyx 5-parted ; segments subulate, erect ; corolla bell-form, with 

 an unequal 5-lobed border, the lower segment acute and reflexed. (Viper's 

 bugloss.) 



B. Flowers l-petalled, inferior ; seeds covered. [Capsule l-celled.] 



Anagal"lis. Calyx 5-parted; corolla wheel-form, deeply 5-lobed; capsule 

 opening transversely, globose, many-seeded; stamens hairy, (scarlet pimpernel.) 



Lysimach"ia. Calyx 5-cleft; corolla wheel-form, 5-cleft; capsule 1-celledE, 

 globular, 5 or 10-valved, mucronate ; stigma obtuse. (In some species the fiUi- 

 ments are united at the base.) (loose strife.) 



Pri'mula. Umbellets involucred ; calyx tubular, 5-toothed; corolla salver- 

 form, 5-lobed ; tube cylindric ; throat open; divisions of corolla emarginate^ 

 capsule 1-celled, with a 10-cleft mouth ; stigma globular, (primrose, cowslip.) 



Dodecath"eon. Calyx 5-cleft ; corolla wheel-form, reflexed, 5-clefl ; stamens 

 in the tube ; stigma obtuse ; capsule oblong, opening at the apex, (false 

 cowslip.) 



