Fifth class. 
11 
34 
85. 
36. 
37. 
38. 
39. 
40. 
41. 
42. 
43 
44. 
45. 
46 
47. 
48. 
49 
50. 
Cor. infiindibuliform. Anthers oval or oblong 
Lithospermum. 399. 
(20). Spiny shrubs with altern. Is (comp. Solanum Dulca¬ 
mara and Yinca). Lycium. 408. 
Herbs . . ... . . . . . 35 
Ls ternate. Cor. bearded . . Menyanthes. 384. 
Ls not ternate ....... 33 
Water pis. Ls pectinate-pinnatifid with linear lobes 
Hottonia. 475. 
Land pis ........ 37 
Stem leafless, terminated by an umbel (often few- or 
1-fld), or stem reduced and peduncles radical . 38 
Stem leafy ........ 43 
Lobes of the cor. laciniate-multifid. Ls rounded-cordate. 
Alpine pis .. Soldanella. 477. 
Lobes of the cor. not multifid .... 33 
Lobes of the cor. rose-red, reflexed. Rt-stock tubercular, 
globular, or depressed. Ls rounded-cordate angularly sinuate 
or finely crenate. Cyclamen. 478. 
Lobes of the cor. not reflexed .... 40 
Stas united at the base by a prominent ring. Ls lobed 
Cortusa. 476. 
Stas free. Ls not lobed ...... 41 
Cor.-tube short, contracted at the throat. Gen. high moun¬ 
tain pis. Androsace. 472. 
Cor.-tube elongated, dilated near the insertion of the stas. 42 
Caps. 2-seeded. (High Alpine pis) . . Aretia. 473- 
Caps. many-seeded ..... Primula. 474- 
(37). Ls imparipinnate . . . Polemonium. 390. 
Ls not pinnate ....... 44 
Ls opp. or whorled (entire) ..... 45 
Ls altern. (those of the branches in pairs of which the 
one is smaller) ....... 40 
Anthers twisted spirally after shedding pollen Erythrsea. 389. 
Anthers not twisted after shedding pollen . . 48 
Fr. 2 follicles. Ls evergreen. FIs solitary, axillary Vinca. 383. 
Fr. a capsule ........ 47 
Caps. 2—3-celled. Ls evergreen . . Azalea. 371. 
Caps. 1-celled. Ls not evergreen .... 48 
Caps, circumsciss, dehiscing by a cap. Cor. never yellow, 
Anagallis. 470. 
Caps. 5-valved. Cor. yellow . . Lysimachia. 469. 
Caps. 2-valved. Cor. gen. blue . . Gentiana. 388. 
(44). Stem twining, climbing or prostrate. Style 2-fid. Cor. 
campanulate-infundibuliform . Convolvulus. 391. 
Stem not twining. Style entire .... 50 
Anthers 1-celled. Cor. rotate, with rather unequal lobes, 
