PENTANDRIA. 



(10) 



PENTANDRIA. 



thers two-celled, each having a vertical valve ; capsule, or 



nut, coriaceous, two-celled ; seeds two, arilled. 

 CUSCUTA, Dodder Calix four-cleft; corolla one-petalled ; 



capsule two-celled. 

 HYPECOUM Calix two-leaved ; petals four, the two outer 



broader and trifid ; fruit a silique. 

 GALOPINA Calix none; corolla four-cleft, superior, revo- 



lute ; seeds two, prickly. 



3. TETRAGYNIA (Four Pistils.) 



ILEX, Holly Calix four-toothed ; corolla wheel-shaped ; 

 style none ; berry four-seeded. 



COLDENIA Calix four-leaved ; corolla funnel-form; styles 



i> four; seeds two-celled. 



POTAMOGETON, Pond Weed Calix none; petals four; style 

 none, or very short; seeds four: (drupes four, Gsertner.) 



RUPPIA, Tassel Pondweed Calix none; corolla none; seeds 

 four, pedicelled. 



SAGINA, Pearlwort Calix four-leaved; petals four; cap- 

 sules one-celled, four-valved, many-seeded. 



MYGINDA Calix four-parted; petals four; drupe globular. 



TILL.KA Calix three or four parted ; petals three or four, 

 equal; capsules three or four, many-seeded. 



CLASS V. PENTANDRIA 



Consisting of such Plants as bear Hermaphrodite Flowers, 

 furnished with five Stamens. 



1. MONOGYNIA (One Pistil.) 



1. Monopetalous tetraspermous, or four-seeded. 

 HELIOTROPIUM, Turnsole Corolla salver-shaped, five-cleft, 



with teeth interposed ; throat closed with arches. 

 MYOSOTIS, Scorpion Grass Corolla salver-shaped, five-cleft, 



emarginate; the opening closed with arches. 

 LITHOSPERMUM, Gromwell Calix five-parted ; corolla fun- 

 nel-form, perforated at the throat. 

 ANCHUSA, Bugloss Corolla funnel-shaped, the throat closed 



with an arch of scales; seeds engraved at the base. 

 CYNOGLOSSUM, Hound' s-tongue Corolla funnel-form, the 



throat closed with arches ; seeds flat, affixed to the style 



by the inside only. 

 PULMONARIA, Lungwort Calix prismatic, five-cornered; 



corolla funnel-form, with an open throat. 

 SYMPHYTUM, Comfrey Corolla border tubular, ventricose; 



tbroat closed by lanceolate rays ; calix five-parted ; seeds 



four, naked. 

 ONOSMA Corolla bell-shaped, with the throat pervious; 



seeds four. 

 CERINTHE, Honeywort Border of the corolla tube bellied, 



throat pervious ; seeds two, bilocular. 



BORAGO, Borage Corolla rotated ; throat closed with rays. 

 ASPERUGO Calix of the fruit compressed; lamellas flat- 

 parallel, sinuated. 



LYCOPSIS, Wild Bugloss Corolla with the tube bent in. 

 ECHIUM, Viper's Bugloss Seeds four,rfiaked; corolla of one 



petal, irregular, pervious, and naked ; stigma deeply 



cloren. 

 NOLANA Corolla bell-shaped ; style among the germens ; 



seeds five, berried, two-celled. (Drupes five, three or five 



celled, with one seed in each cell, Gsertner.) 



TOURNEFORTIA Corolla funnel-shaped; throat naked; sta- 

 mens in the tube; stigma umbonate; berry two-seeded, 

 superior, perforated at top by pores. 



MESSERSCHMIDIA Corolla funnel-form, with a naked 

 throat ; berry suberous, bipartite, each two-seeded. 



2. Monopetalous, with the Capsule within the Flower. 



DIAPENSIA Corolla salver-shaped; calix five-leaved, im- 

 bricate with three other leaflets ; stamens placed on the 

 tube of the corolla; capsule three-celled. 



ARETIA ; Corolla salver-shaped, five-cleft ; tube ovate ; 

 stigma flat-headed ; capsule one-celled, globular, with 

 about five seeds. 



ANDROSACE An involucre to the umbel ; tube of the corolla 

 ovate, with a glandulous mouth ; capsule one-celled, 

 globose. 



PRIMULA, Primrose, Cowslip, and Auricula Capsule of one 

 cell, with ten teeth; corolla, tube cylindrical, with a 

 spreading mouth ; stigma globose. 



CORTUSA, Bear's-ear Sanicle Corolla wheel-shaped, the 

 throat having an elevated ring; capsule one-celled, oval, 

 five-valved at the end, 



PORANA Calix five-cleft, when in fruit larger; corolla bell- 

 shaped; style semi-bifid, longer, permanent; stigmas glo- 

 bular; pericarp two-valved. 



SOLDANELLA Corolla bell-shaped, lacerotifid; capsule one- 

 celled, many-toothed at the top. 



DODECATHEON, Virginian Cowslip Corolla rotate, reflex; 

 stamens placed on the tube; capsule one-celled, oblong. 



CYCLAMEN, Sowbread Corolla rotate, reflex, with a very 

 short tube and prominent throat; berry covered with a 

 capsule. 



MENYANTHES, Buckbean Corolla sbaggy; stigma bifid; 

 capsule one-celled. 



HOTTONIA, Water Violet Corolla salver-shaped ; stamens 

 placed on the tube of the corolla ; capsule one-celled. 



HYDROPHYLLUM, Water Leaf Corolla bell-shaped, having 

 five longitudinal melliferous streaks on the inside; stigma 

 bifid ; capsule globular, two-valved. 



LYSIMACIIIA, Loosestrife Corolla whell-shaped ; capsule 

 globular, mucronate, ten-valved (according to Gsertner, 

 five-leaved ;) with receptacles free ; and seeds with a 

 central navel opposite to the embryo. 



ANAGALLIS, Pimpernel Corolla rotate; capsule opening 

 horizontally. 



THEOPHRASTA Corolla bell-shaped, with long, erect, 

 spreading segments ; fruit one-celled, very large, roundish, 

 many-seeded. 



SPIGELIA, Worm Grass Corolla funnel-shaped ; capsule 

 twin, two-celled, many-seeded. 



OPHIORRHIZA, Serpent's-tongue^CoroUa. funnel-form; ger- 

 inen bifid; stigmas two; fruit two-lobed. 



AZALEA, American Upright Honeysuckle Corolla bell- 

 shaped ; stamens inserted into the receptacle ; capsule 

 five-celled. 



PLUMBAGO, Leadwort Corolla funnel-form; stamens in- 

 serted into the scales, enclosing the base of the corolla ; 

 stigma five-cleft ; seed one, oblong, truncated. 



PHLOX, Lychnidea Corolla salver-shaped ; filaments un- 

 equal ; stigma trifid ; calix prismatical ; capsule three- 

 celled, one-seeded. 



CONVOLVULUS, Bindweed Corolla bell-shaped, plaited ; 

 stigmas two; capsule two-celled, with two seeds in each 

 cell. 



IPOMCEA, Quamoclit Corolla funnel-form ; stigma headed, 

 globose ; capsule three-celled. 



LISIANTHUS Calix keeled ; corolla with a ventrioose tube 



