Wablenbergia. 943 
the ovary. Fruit capsular or baccate dehiscing variously or indehis- 
cent. Seeds usually small; testa thin or coriaceous, smooth or 
reticulated; embryo straight in the axis of the albumen. — Herbs or 
undershrubs of various habit and foliage, usually with a milky juice. 
An Order consisting upwards of 50 genera and 1,500 species, dispersed 
over nearly all temperate and tropical regions. 
A. Capsule dehiscing loculicidally at the top into as 
many valves as there are cells ........ 1. Wahlenbergia. 
B. Capsule dehiscing laterally between the ribs into 
separate valves or pores. 
I. Corolla tubular to campanulate, rarely rotate, 
short=lobed. .-s* 2 ch te tee A had Yous. BRO, 2, Campanula. 
II. Corolla rotate, deeply 5-cleft. ....... 3. Specularia. 
C. Capsule having a circumscissile dehiscence ; flowers 
InMS pikes iS (GO AROS. And 18 DOs OTL 4. Sphenoclea. 
537. (1.) Wahlenbergia Schrad. 
. Calyx-tube adnate to the ovary; limb 5-parted or very rarely 
with only 3 or 4 lobes. Corolla campanulate funnel-shaped tubular 
or almost rotate, slightly 5-lobed, or parted to the middle or some- 
times deeper, very rarely with only 3 or 4 lobes. Stamens free from 
the corolla; filaments usually dilated at the base; anthers free. Ovary 
inferior or half-superior, 2—5-celled; ovules numerous; stigma nar- 
rowly 2—5-fid. Capsule dehiscing loculicidally into as many valves 
as there are cells, when there are 5 valves alternating with the calyx- 
lobes. — Annual or perennial herbs of various habit, often woody 
at the base. Leaves alternate or rarely opposite. Flowers usually 
some shade of blue, variously arranged, nodding; capsule erect. 
A genus of nearly 80 species, chiefly South African, a few occurring 
in Tropical America and the Mediterranean region and one widely spread 
in Western Europe. 
A. Perennials with ascending slender leafy stems, 
terminating in long naked few-flovered peduncles 1. W. Cervicina. 
B. Annuals, usually 30cm or more high 2... . 2. W. etbaica. 
1309. (1.) Wahlenbergia Cervicina A. DC. in DC. Prodrom. VII 
(1837), p.440. — Aschers.-Schweinf. Il. Flor. d’Eg., p. 101 no. 663. 
— Sickenberg. Contrib. Flor. d’Eg., p. 252. — Cervicina campanuloides 
Del. Illustr. Flor. d’Eg., p.7 tab. 5 fig. 2. — Wahlenbergia campanu- 
loides Vatke in Linnaea XXXVII, p. 706. — A dwarf branching 
pilose annual, 5 or 8 cm high. Leaves alternate sessile linear- 
lanceolate, less than 1 cm long obscurely denticulate. Flowers very 
