LXXI. CAMPANULACEJG. 215 



the segments subequal. Petals 5. their claws conniving in a 

 split tube or slightly cohering above or below ; limbs sub- 

 equal, spreading as a 2-lippecl corolla. Stamens 5 ; filaments 

 pilose ; anthers free, often hispid at back. Ovary inferior or 

 half-inferior, 2-celied, many-ovuled ; style simple ; stigma with 

 an obsolete, ciliate indusium. Capsule 2-celled, many-seeded. 

 ~Fl Cap. iii. p. 597. 



Erect or climbing pei'ennial herbs, mostly with succulent or tuberous, 

 edible roots. Leaves alternate, undivided or pimiate-parted or lobed. 

 riowers blue white or pink. — 20 species, dispersed. 



Tribe 4. Gtooden^ovie^. 

 20. SC^VOLA, Linn. 



Calyx-tube adnate with the ovary ; limb 5-parted or 5- 

 toothed, or nearly entire. Corolla longitudinally cleft down 

 one side and opened out into a 1-labiate or secund, 5-lobed 

 limb, the lobes winged at the sides. Anthers free. Stigma 

 with a ciliate indusium. Drupe fleshy or dry, crowned by the 

 calyx-lobes, 1-4-celled ; cells 1-seeded. — Fl. Cap. iii. p. 604. 



A large but chiefly Australian genus of varied habit. — S. Thunhergii^ 

 E. and Z., our only species, is a seacoast shx'ub, with obovate, obtuse, fleshy, 

 glabrous leaves, and axillary, short, forked peduncles. — Found along the 

 South and South-Eastem coasts. 



Oedee LXXII. ERICACE^. 



Tribe Erice^. 



Flowers 4-parted. Corolla marcescent, monopetalous, either 

 bell-shaped globose ovoid tubular or salver- shaped, 4-lobed. 

 Stamens 4-8, hypogynous ; anthers usually connate before the 

 flowers open, opening by pores, or rarely slitting. Ovary free, 

 1-2-4-, very rarely 8-celled ; o\Tiles 1 or many in each cell. 

 Emit dry, mostly capsiilar and dehiscent. — Small shrubs or 

 undershrubs, with entire, evergreen, small, usually narrow and 

 very generally whorled leaves. — The " Heaths." 



Subtribe 1. Euericejc. Ovary 4-8-celled ; ovules 2 or more in each cell. 

 Stamens 8 (very rarely 6-7). 



Sepals 4, in opposing pairs, much longer than the 



deeply 4-lobed corolla 1. Macnabia. 



Calyx equally 4-parted or rarely 4-fid ; corolla very 

 variable in size and shape, but rarely (and then 



not greatly) shorter than the calyx 2. Erica. 



Calyx unequally 4-fid or parted, one sepal larger, 



frequently revolute ; corolla minute .... 3. Philippia. 



