884 CAMPANULACEAE, [Colensoa. 
inferior, rarely semi-superior, 2—-5-celled; style single; stigmatic lobes as 
many as cells to the ovary; ovules numerous, anatropous, placentas in the 
inner angles of the cells. Fruit a capsule or berry. Seeds numerous, 
small; albumen fleshy ; embryo straight, axile; radicle next the ‘hilum. 
A large family, perhaps most abundant in the temperate regions of the Northern 
Hemisphere, but extending through the tropics, plentiful in South Africa, and present 
in fair numbers in other portions of the South Temperate Zone. (Genera 55; species 
about 1000. As a whole, the family is characterized by the presence of acrid and 
poisonous qualities, and many of the species are highly dangerous. Few possess any 
economic importance, but many kinds of Campanula and Lobelia are cultivated in gardens 
for the beauty of their flowers. Of the New Zealand genera, Lobelia and Wahlenbergia 
are widely distributed ; Pratia is confined to the South Temperate Zone; Isotoma is 
chiefly Australian ; while Colensoa is endemic. 
<T, ‘ 
Tare 1. LOBELIBAR, CC ACeAL 
Corolla irregular, 2-lipped. Anthers cohering. 
Tall herb. Flowers in racemes. Fruit an indehiscent berry Ei.. 1. CoLENsoa. 
Creeping herbs. Flowers solitary, axillary. Fruit an indehiscent 
berr aA o my i the >; oe ae Ee RATTAL 
Herbs. Corolla split to the base at the back. Stamens free from 
the corolla-tube. Fruit a capsule, 2-valved at the tip .. 3. LOBELIA. 
Herbs. Corolla not split to the base ; stamens affixed to the tube. 
Fruit a capsule, 2-valved at the tip ss mad .. 4, IsoToma. 
Trips 2. CAMPANULEAE, (amore td aes 
Corolla regular. Anthers free. 
WAHLENBERGIA. 
on 
Herbs. Corolla campanulate. Capsule 2-3-valved at the tip 
1. COLENSOA Hook. f. i* =& 
A tall erect leafy herb, often woody at the base. Leaves large, alternate, 
doubly serrate. Flowers large, in terminal racemes. Calyx-tube adnate to 
the ovary, limb 5-partite. Corolla oblique, curved, split to the base at the 
back, 2-lipped ; upper lip of 2 linear acute lobes, lower of 3 oblong spreading 
ones. Stamens exserted ; filaments pubescent, free for the greater part of 
their length; anthers cohering into a tube, pilose on the connective and 
at the tips. Ovary inferior, 2-celled ; ovules numerous, attached to broad 
peltate placentas ; style long; stigma 2-lobed, lobes large, oblong, spreading. 
Berry globose, thinly fleshy, crowned by the persistent calyx-lobes, 
indehiscent. Seeds numerous, subglobose, tuberculate. : 
A genus of a single species, endemic in the northern portion of the North Island. 
It is very closely allied to Pratia, differing chiefly in the tall erect habit, in the racemose 
inflorescence, and in the large stigmatic lobes. 
‘1. ©. physaloides Hook. f. Fl. Nov. Zel. i (1853) 157.—Stem flexuose, 
smooth, sparingly branched, 1-4 ft. high. Leaves on slender petioles 2-5 in. 
long; blade 3-7 in. long, ovate, acute, unequally doubly serrate, thin and 
membranous, conspicuously veined, glabrous or with a few sparse soft hairs. 
Racemes terminal, 5—15-flowered, shorter than the leaves ; pedicels slender, 
bracteolate at the base. Corolla 14—2 in. long, pale-blue, pubescent. Berry 
din. diam., bluish, coriaceous —Handb. N.Z. Fl. (1864) 170; Bot. Mag. 
(1886) t. 6864; Cheesem. Man. N.Z. Fl. (1906) 397. Pratia_physaloides 
Hemsl. in Hook. Ic. Plant. (1886) sub. t. 1532. Lobelia physaloides A. Cunn. 
Precur. (1838) n. 425; Radul Choix (1846) 45; Hook. Ic. Plant. (1843) 
tt. 555, 556. luo, Lt. 4 ; 
A. er Age “Th ° Dev we Yak. bet. a * se oe 
u 
“Dc. \~ho-phe, Vv. "J fica . iP: 1%» ’ 
( Heck. Te. Plank. tab. SSE-SSh) 
