FLORA OF VAN DIEMAN’S LAND. 405 
in rachidem decurrentibus caulinis segmentis paucioribus 
angustioribus supremis linearibus integris, corymbo multi- 
floro, siliquis (immaturis) linearibus, rostro attenuato. Hook. 
Comp. Bot. Mag. l.c. Mr Gunn (n. 401.) 
5. C. lilacina, Hook. l. c. Mr Gunn (n. 779). 
Abundantly distinguished from C. heterophylla by the 
long style, more divided leaves, and very large flowers. 
6. C. intermedia (Hook. Ic. Pl. t. 258); glabra, sesquipe- 
. dalis, foliis subradicalibus longe petiolatis, foliolis obovato- 
rotundatis integerrimis petiolatis, flore mediocri albo, siliquis 
longe pedunculatis suberectis, stylo breviusculo. 
Western mountains. Mr Gunn (n. 446?) 
Erecta, laxa, glaberrima. -Folia radicalia, longe petiolata, 
pinnata, foliolis 5—7 obovato-rotundatis, integerrimis, raris- 
sime sinuato-dentatis, petiolatis. Folia caulina pinnatisecta, 
foliolis lanceolatis. Flores albi. Calyx parvus, segmentis 
rotundatis. Petala calyce quadruplo longiora, obovato- 
. rotundata v. subspathulata, alba.  Siliquee lineares, 1—1} 
unc. longe, cum pedunculo 5 lin. longo horizontali rectan- - 
gulum formantes, dein erecte. Stylus }—{ lin. longus, 
stigmate emarginato. Semina vix punctata. 
l. Arabis gigantea (Hook. Ic. Pl. t. 259); elata glabra, 
ramosissima, foliis lato-lanceolatis ad basin contractis breviter 
auriculatis irregulariter dentatis subacutis, floribus parvis albi- 
- dis, petalis erectis, siliquis divergentibus pedicellis 4—5-plo 
longioribus, stylo 1 lin. longo, seminibus brunneis clathrato- 
punctatis. E es 
Black-bluff, Circular Head; growing to the height of three 
feet, near the sea. Mr Gunn (n. 118). | 
Annua, erecta, glaberrima, ramosissima, circa 3 ped. alta. 
Rami oblique adscendentes, subglauci, leves, striati. Folia 
lato-lanceolata, 4—8 unc. longa, ad basin sensim attenuata, 
utrinque leviter auriculata, hinc caulem semi-amplexantia, 
irregulariter dentata, subacuta. Flores parvi, albi, segmentis 
calycinis subellipticis acutiusculis, petalis albis subspathulatis 
calyce duplo longioribus. Siligue divergentes, cum caule 
rectangulum fere formantes, 14 unc. longz, pedicellis quadru- 
Vol. II.— No. 16. 36 mu 
