Nasturtium .] 
III. CRUCIFERS. 
11 
Petals hardly longer than the calyx. Pods turgid, oblong, as long as or 
shorter than their pedicels, curved. 
Northern and Middle Islands, not uncommon in moist places. I have adopted the 
name palustre for this plant, because it is that used in most Continental works, and in 
Bentham’s Australian Flora, hut that of terrestre has equal claims to be retained. A very 
widely distributed plant in both the Old and New World; a state with almost entire leaves, 
N. semipinnatifidum , Hook., sometimes occurs. 
2. BARBAEEA, Br. 
Stout or slender, erect, leafy, glabrous herbs, usually with angled stems, 
and pinnate or pinnatifid leaves. — Sepals suberect. Petals clawed, yellow. 
Pods erect, elongate, compressed, 4-gonous, with keeled or costate, straight, 
coriaceous, many-seeded valves. Seeds oblong, in one series ; cotyledons 
accumbent. 
A common European genus, of which one species was cultivated in former times in 
Britain as a pot-herb. The New Zealand species, which is also Australian, seems to be 
quite the same as the British, which is very variable. 
1. B. vulgaris, Linn. — B. australis, Hook. f. FI. N. Z. i. 14. Erect, 
rather rigid, stout, leafy, 1-2 ft. high, with green, furrowed stems. Lower 
leaves lyrate-pinnatifid ; lobes obovate-oblong, terminal ovate and sinuate. 
Upper leaves entire, sinuate or pinnatifid. Flowers rather large. Pods stout, 
1|- in. long, Jg— in. broad, erecto-patent, broader than their terete pedicels ; 
valves veined ; style short, straight. 
Northern Island, Colenso. This, the “Toi” of the natives, was formerly used by 
them as food. 
3. SISYMBRIUM, Linn. 
Herbs, usually leafy with slender stems and small white or yellow flowers. — 
Sepals suberect or spreading. Petals clawed. Pod slender, terete or slightly 
compressed ; valves concave, many-seeded. Seeds in one series in each cell, 
oblong. 
A British genus, abundant in the north temperate zone, rare in the south. 
1. S. novae-Zelandise, Hook. /., n. sp. Tall, very slender, 1-2 ft. 
high, glabrous or covered with minute stellate pubescence. Leaves chiefly 
radical, spreading, 1-2 in. long, few or many and crowded, narrow-obovate 
or linear- oblong, sinuate-pinnatifid ; lobes blunt. Flowering stems very 
slender, sparingly branched, with few entire or toothed linear leaves. Flowers 
small, w'hite. Petals narrow. Sepals erect. Pods £—2 in. long, in. 
broad, very narrow, linear, obtuse, glabrous, on slender pedicels; valves convex, 
1-nerved. Seeds small. Cotyledons obliquely incumbent. 
Middle Island: mountains of Nelson, Hough; Shingle slips, Wairau Gorge, alt. 4500 
ft., Travers. 
4. CARD AMINE, Linn. 
Generally slender or small herbs, with entire or pinnate leaves, and small 
white flowers. — Sepals erect or spreading. Petals clawed or spathulate. Pod 
long, linear, compressed ; valves flat, usually separating elastically and curving 
