32 CRUCIFER®. [Cardamine. 
almost entire, toothed or sinuate-lobed. Flowers small, yellow, in 
lax racemes. Pedicels slender, ebracteate. Petals about equalling 
the sepals. Pods oblong. turgid, slightly curved when ripe, ++ in. 
long. Seeds numerous, crowded, in 2 series.—Hook. f. Handb. 
N.Z. Fl. 10; Kirk, Students’ Fl. 25. N. terrestre, &. Br. in Att. 
Hort. Kew. iv. 110; Hook. f. Fl. Nov. Zel. i. 14. N. semipinnati- 
fidum, Hook. Journ. Bot. i. 246. N. sylvestre, A. Rich. Fl. Noww. 
Zel. 309, (non BK. Br.); A. Cunn. Precur. nv. 625; Raoul, Choi 
de Plantes, 47. 
Nort AnD SoutH Istanps: Common in moist places from the North Cape 
to the Bluff. Usually in lowland districts, but ascending to over 2000 it. in the 
river-valleys of Canterbury and Otago. Summer and autumn. An abundant 
plant in the temperate portions of both hemispheres. 
The common water-cress of Hurope (Nasturtium officinale, R. Br.) is now 
plentifully naturalised throughout New Zealand. It is easily known by its 
aquatic habit, creeping or floating stem, pinnate leaves, and white flowers. 
2. CARDAMINE, Linn. 
Annual or perennial often flaccid herbs, glabrous or slightly 
pubescent. Leaves entire or more frequently pinnately divided. 
Flowers white or purplish. Sepals equal at the base. Petals 
clawed. Stigma simple or 2-lobed. Pod long, narrow-linear, 
compressed ; valves usually flat, opening elastically ; septum mem- 
branous, transparent. Seeds numerous, flattened, in one series ; 
cotyledons accumbent. 
A rather large genus of over 60 species, inhabiting the temperate and cool 
regions of both hemispheres. Of the seven species found in New Zealand one is 
a very widely diffused plant, another extends to Australia, the remaining five are 
endemic. 
A. Rootstock slender, short. 
Slender, usually flaccid. Leaves pinnate (reduced to a 
single pinnule in var. wriflora). Flowers small .. LL. Cihirsuta. 
Small, depressed. Leaves all radical, spathulate. Flowers 
small pic ve Se ny, 56 .. 2. C. depressa.. 
Leaves all radical, pinnatifid at the base. Flowers large 3. C. bilobata. 
Tall, slender, branched and leafy. Flowers in elongated 
racemes. Seeds pitted ee $3 7 .. 4. C. stylosa. 
B. R otstock stowt, fleshy, as thick as the finger, crowned with numerous 
rosulate radical leaves. 
Flowering-stems 6-18 in. Leaves almost glabrous. Pods 
narrow, 7.—; in. broad 
Bye = .. 5. C. fastigiata. 
Flowering-stems 6-24in. Leaves villous. Pods broad, 
44in. .. BC se in nit .. 6. C. latesiliqua. 
Flowering-stems short, 2-4in. Leaves covered with stel- 
late pubescence. Pods narrow At 6 .. 7. C. Enysu. 
1. C. hirsuta, Linn. Sp. Plant. 655.—A very variable glabrous 
or slightly hairy annual or perennial herb, usually much branched 
from the base. Stems erect or decumbent, occasionally as much as 
