CLASS V. ORDER I. 39 



Menyan"thes. Calyx 5-parted ; corolla funnel-form ; limb spreading, 5-lol)ed, 

 hairy within ; stigma capitate, (buck-bean.) 



Vili,ar''sia. Calyx 5-parted, 5-lobed ; limb spreading, ciliate on the margin ; 

 stigma 2-lobed; glands 5, alternating with the stamens; capsule 2-valved, many- 

 seeded, (water-shield.) 



Hotto'nia. Calyx 5-parted ; corolla salver-form, 5-lobed ; stamens la the 

 tube of the corolla ; capsule globose, (feather-leaf) 



Sabba'tia. Calyx from 5 to 12-parted ; corolla wheel-form, from 5 to 12-part- 

 ed; stigmas 2, spiral ; capsule 2-valved, many-seeded, (centaury.) 



Hydrophyl"lhm. Calyx 5-parted ; corolla bell-form, 5-cleft, with 5 longitu- 

 •'jinal grooves inside, (water-leaf) 



Neomphi'la. Calyx 10-parted, alternate lobes reflexed ; corolla subcampanu- 

 /ate, 5-lobed ; the lobes emarginate, with nectariferous cavities at the base ; sta- 

 mens shorter than the corolla ; capsule fleshy, 2-valved, 4-seeded. 

 [ Capsule 2 to b-celled.] 



Verbas"cum. Calyx 9-parted ; corolla wheel-form, 5-lobed, somewhat irregu- 

 lar ; stamens declined, hairy; capsules 2-celled, 2-valved; valves inflexed 

 when ripened, many-seeded, (mullein.) 



Nicotia'na. Calyx urceolate, subtubular, 5-cleft ; corolla funnel-form, 5-cleft, 

 limb plaited; stigma notched, capitate; stamens inclined ; capsules 2-celled, 3 

 to 4-valved. (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 1 or 

 2-seeded. (bind-weed.) 



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, (cypress- 

 vine, morning-glory.) 



Phlox. Calyx prismatic, 6-cleft , segments converging ; corolla salver-form, 

 5-lobed, with a tube somewhat curved ; filaments unequal in length, attached to 

 the inside of the tube of the corolla; stigma 3-cleft ; cells 1-seeded, seeds ob- 

 long, concave, (lichnidia.) 



Datu'ra. Calyx tubular, angled, caducous, with a permanent orbicular base;^ 

 corolla funnel-form, plaited ; capsule 4-valved, 2-ceIIed, and each cell half 

 divided; generally thorny, (thorn-apple) 



Aza'lea. Calyx 5-parted ; corolla tubular, 5-cleft, somewhat oblique ; stamens 

 on the receptacle, declined; stigma declined, obtuse, usually ending with 5 short 

 capillse; capsule 5-celled, 5-valved, opening at the top. (wild honeysuckle.) 



Vin'^ca. Corolla salver-form, twisted, border 5-cleft, with oblique divisions ; 

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

 row. 



Physa'us. Calyx 5-cleft ; corolla wheel-form, 5-cleft; stamens converging ; 

 berry globose, (winter-cherry.) 



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-ceIled. (potato, nightshade, bitter-sweet.) 



Atro'fa. Corolla bell -form; stamen distant; berry globose, 2-celled, sitting 

 on the calyx, (deadly nightshade.) Ex. 



Cap"sicum. Corolla wheel-form ; berry juiceless, inflated ; anthers converg- 

 ing ; calyx angular, (red-pepper.) 



Spige'lia. Calyx 5-parted; corolla funnel-form, border 5-cleft, equal; anthers 

 convergent ; capsule 2-celled, 4-valved, many-seeded. Ex. 



Hvoscy'amus. Calyx tubular, 5cleft ; corolla funnel-form, irregular, lobes 

 obtuse ; stigma capitate; cap.sule ovate, covered with a lid. 



Polemo'nium. Capsule bell-form, 6-cleft; corolla wheel-form, 5-parted; sta- 

 mens inserted upon the 5 valves which close the orifice of the corolla. 

 C. Flowers 1-petalled, superior. [Seeds in a capsule.'] 



Campan"ula. 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, (bell-flower.) 



Lobe'lia. Calyx 5-cleft ; corolla irregular, often irregularly slitted ; anthers 

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

 dinal flower, wild-tobacco.) 



Diervil"la. Calyx oblong, 5-cleft, with 2 bracts; corolla 5-cleft, twice as long 



