CLASS V. ORDER I. 347 



seeds marked at the base, and their surface generally veined. 41. 42 (bug- 

 loss). 



SYM"PHYTUM. Limb, or upper part of the corolla, tubular-swelling ; the 

 throat closed with subulate rays, 41. 42 (comfrey). 



Southern. 



HELIOTRO'PIUM. Calyx tubular, 5-toothed; corolla salver-form, 5-cleft, 

 with teeth or folds between the divisions ; throat open. (Spikes recurved, in- 

 volute). 41.42 (turnsol). 



B. Flowers l-petalled, inferior; seeds covered. 



{Capsule 1 celled). 



ANAGAL/'LIS. Calyx 5 parted ; corolla wheel-form, deeply 5-lobed ; cap- 

 sule opening transversely, globose, many-seeded ; stamens hairy. 20. 34 

 (scarlet pimpernel;. S. 



LYSIMACH"IA. Calyx 5-cleft; corolla wheel-form, 5-cleft ; capsule 1-celled, 

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

 filaments are united at the base;. 20.34 (.loose-strife). &. 



PRI'MULA. Umbellets inyolucred : 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. 21. 34 (primrose 

 cowslip). 



(Capsule 2-celled rarely 3-celled). 



VERBAS"CUM. Calyx 5-parted ; corolla wheel-form, 5 lobed, somewhat iis 

 regular ; stamens declined, hairy ; capsules 2-celled, 2-valved ; valves inflex- 

 ed when ripened, many-seeded. 28.41 (mullein). S. 



NICOTIA'NA. Calyx urceolate, sub-tubular, 5-cleft; corolla funnel-form, 

 5-cleft, limb plaited : stigma notched, capitate ; stamens inclined ; capsules 

 2-celled, 2 to4-valved. 28.41 ^tobacco). 



CONVOL/'VULUS. Calyx 5-parted, with or without 2 bracts ; corolla funnel- 

 form, plaited ; stigma 2-cleft or double ; cells of the capsule 2 or 3 ; each one 

 or 2 seeded. 29. 43 (bind-weed). S. 



IPOM^E'A. Calyx 5-cleft ; naked ; corolla funnel or bell-form, with 5 folds ; 

 stigma globe-headed, papillose ; capsule 2 or 3-celled, many seeded. 29. 43 

 (cypress vine, morning glory). S. 



(Capsule 3 to 5 celled). 



PHILOX. Calyx prismatic, 5-cleft ; segments converging : corolla salver- 

 form, 5-lobed, with a tube somewhat curved ; filaments unequal in length, at- 

 tached to the inside of the tube of the corolla ; stigmas 3-cleft ; cells 1 seeded, 

 seeds oblong, concave. 20. 44 (lichnedia). S. 



DATU'RA. Calyx tubular, angled, caducous, with a permanent orbicular 

 base ; corolla funnel-form, plaited ; capsule 4-valved, 2-celled, and each cell 

 half divided; generally thorny. 28.41 (thorn-apple). S. 



AZA'LEA. Calyx 5-parted ; corolla tubular, half 5-cleft, somewhat oblique ; 

 stamens on the receptacle, declined ; stigma declined, obtuse, usually ending 

 with 5 short papillae ; capsule 5-celled, 5-valved, opening at the top. 18. 50 

 (wild honeysuckle). S. 



VIN"C A. Corolla salver-form, twisted, border 5-cleft, with oblique divisions ; 

 throat 5-angled ; seed naked, oblong ; follicle-like capsules 2, erect, terete, 

 narrow. 30. 47. 



(Seed in a berry). 



SOLA'NUM. Calyx 5 to 10-parted, permanent ; corolla bell or wheel-form, 

 5-lobed, plaited ; anthers thickened, partly united, with two pores at the top ; 

 berry containing many seeds, 2 to 6-celled. 28. 41 (potatoe, nightshade, bit- 

 ter-sweet). (S. 



Exotic. 



CAP"SICUM. Corolla wheel-form ; berry juiceless, inflated ; anthers con- 

 verging ; calyx angular. 28.41 ;red pepper). 



C. floirers 1-petaUed, superior. 



(Seeds in a capsule.) 



CAMPANULA. Calyx mostly 5-cleft ; corolla bell-form, closed at the bottom 

 by valves bearing the flattened stamens ; stigma 3 to 5-cleft ; capsules 3 to 

 5-celled, opening by lateral pores. 29. 52 --^bell-flower). &. 



LOBE'LIA Calyx 5-cleft ; corolla irregular, often irregularly slitted ; an- 

 thers cohering, and somewhat curved ; stigma 2-lobed ; capsule 2 or 3-celled. 

 29. 52 (cardinal flower, wild tobacco). S. 



