PRIMULACE^E — ERICACEAE 423 



3. CfCLAMEN. 



Glabrous plants from fleshy corm: leaves all basal, rounded, cordate or 

 ovate: scapes bearing (each) one nodding flower; corolla-limb 5-parted, 

 lobes turning back; anthers 5, sessile, not exserted. Cultivated as house 

 plants, flowering in winter. 



C. latifolium, Sibth. & Sm. (C. pirsicum). Leaves ovate, crenate-den- 

 tate, thick, often marked with white: flowers large, white, rose or purple, 

 sometimes spotted, oblong. The florists' cyclamen. 



4. LYSIMACHIA. Loosestrife. 



Perennials with leaves opposite or whorled, entire, often glandular- 

 dotted: flowers yellow, solitary in axils, or panicled; calyx 5-7-parted; 

 corolla wheel-form; petals 5-7, nearly distinct; stamens 5-7, the filaments 

 somewhat connate at base. Wild in low grounds. 



L. vulgaris, Linn. Erect, 2-3 ft., downy: leaves 3 or 4 in a whorl: flowers 

 in terminal leafy panicles; corolla-lobes glabrous. Europe. Cultivated 

 and escaped. 



L. quadrifolia, Linn. Erect, 1-2 ft., hairy: leaves lanceolate-ovate, ses- 

 sile, dotted, commonly 4 in a whorl: flowers yellow, with dark lines, on 

 Blender pedicels, solitary from axils of upper leaves. Damp soil. 



L. nummularia, Linn. Moneywort. Trailing glabrous perennial: leaves 

 round, opposite, on short petioles: flowers pure yellow, axillary solitary, on 

 short peduncles; stamen filaments glandular, connate at base. Running wild 

 in moist places, often a weed in lawns. 



XLVI. ERICACEAE. Heath Family. 



Plants of various kinds, many of them shrubs or shrubby herbs, 

 Borne trees, perennial herbs, and parasites: leaves simple and often 

 evergreen, or scale-like: flowers most perfect; corolla usually mono- 

 petalous and 4- or 5-cleft; stamens hypogynous, as many or twice 

 as many as petals, anthers usually opening by terminal pores; style 

 1; ovary generally as many celled as corolla has lobes. A large family, 

 represented by heaths, cranberry, azaleas, arbutus, laurel. 



A. Shrubs, or creeping shrubby plants. 

 B. Ovary inferior: fruit a berry. 



c. Berry 10-seeded 1. Gaylussacia 



cc. Berry many-seeded 2. Vaccinium 



BB. Ovary superior. 



G. Low creeping or procumbent. 



d. Fruit berry-like: leaves aromatic 3. Gaultheria 



dd. Fruit dry 4. Epigsea 



CO. Shrubs, erect. 



E. Corolla broadly open, with 10 little pouches 



holding the anthers 5. Kalmia 



