LINN^AN CLASS V. 171 



Villarsia. Calyx 5-parted. Corolla rotate. Capsulo 1 -celled, 2- 

 valved, many -seeded. Gentianacece, 82. 



Samolus. Calyx 5-cleft. Corolla salver-form, with 5 sterile filaments. 

 Capsule 1 -celled, many-seeded. Priinulaceoe, 95. 



Sahbatia. Calyx 5 — 12-parted. Corolla rotate, 5 — 12-parted. Stig- 

 mas 2, spiral. Capsule 1 -celled, 2-valved. Gentianacece, 82. 



Hydrophylhim. Calyx 5-parted, lobes subulate. Corolla campanu- 

 late, filaments beai-ded in the middle. Hydrophyllacece, 85. 



Nemophila. Calyx 10-parted, alternate lobes reflexed. Corolla cam- 

 panulate, 5-lobed. Capsule 1-celled, 2-valved, 4-seeded. Small succu- 

 lent plants. Hydrophyllacece, 85. 



EUi4a. Calyx 5-parted. Corolla tubular, campanulate, about equal 

 to the calyx; tube with 10 minute appendages within. Limb 5-lobed. 

 Ovary conical, 2-seeded. Annual herbs. Hydrophyllacece, 85. 



2. Capsule 2-celled, rarely 3- celled. 



Phacelia. Cosmanthus. Calyx 5-parted. Corolla somewhat campan- 

 ulate, with 10 plaits on the inside. Capsule 2-valved. Hydrophylla- 

 cece, 85. 



Spigelia, Calyx 5-parted. Corolla funnel-form, 5-cleft, long tube. 

 LoganiacecE, 81. 



Verbasciim. Calyx 5-parted. Corolla rotate, somewhat irregular. 

 Stamens declined, hairy. (Mullein.) Scrophulariacece, 90. 



Batatas, Convolvulus. Sepals 5. Corolla campanulate. Stamens 

 included. Stigma capitate, 2-lobed. Ovary 4-celled, or by abortion 

 2— 3-celled. Herbaceous vinea Convolvulacece, 86. 



Convolviilus. Calystegia. Calyx 5-parted, with or without 2 bracts at 

 the base. Corolla funnel-form or campanulate, with 5 j)laits. Capsule 

 few-seeded. Convolvulacece, 86. 



Ipomea. Calyx 5-cleft. Corolla funnel-form, or campanulate. Cap- 

 sule many-seeded. Convolvulacece, 86. 



Quamoclit. Ipomea. Sepals 6. Corolla tubular, cylindrical. Sta- 

 mens exsert. Stigma capitate, 2-lobed. Ovary 4-celled. Cells 1 -seed- 

 ed. Vines. Convolvulacece, 86. 



Nicotiana. Calyx urceolate or campanulate, 5-cleft. Corolla fun- 

 nel-form, the limb 5-lobed and plaited. (Tobacco.) Solanacece, 88. 



Ophiorhiza, Mitreola. Calyx 5-cleft. Corolla 5-cleft, funnel-form. 

 Stigmas 2. Capsule many-seeded. Gentianacece, 82. 



Bumelia. Calyx 5-parted. Corolla salver-form, deeply 5-parted. 

 Corona 5-leaved. Fruit a drupe, 1-seeded by abortion. Sapotacece,16. 



3. Capsule, 3 — 5-cclled. 



Phlox. Calyx prismatic, 5-parted. Corolla salver-form, 5-lobed, with 

 the tube slightly curved. Polemoniacece, 84. 



Polemonium. Calyx campanulate, 5-cleft, Corolla rotate. Stamens 

 bearded at the base. Polemoniacece, 84. 



Diapensia. Calyx 5-sepaled, with 3 bracts at the base. Corolla sal- 

 ver-form. Stigmas 3. Capsule S-celled, many-seeded. Hydrophylla- 

 c€(e, 85. 



