f 



/ 



Lepidimh,] viii. CKUciFERiE. 87 



hard stems, arid numerous divaricate, thin, wiry branches. Radical leaves 

 once or twice pinnatifid, with narrow-linear lobes, but soon decaying ; stem- 

 leaves linear or rarely almost oblong-cnneate, usually wath a few irregular 

 teeth, especially towards the top, sometimes almost pinnatifid, the uppermost 

 often linear and entire. Plowers minute, without petals, and with only 2 

 stamens. Pruiting racemes usually rather loose, but rigid, 2 to 3 in. long, 

 ^'ith slender stiff spreading pedicels of 2 or 3 lines, but sometimes the ra- 

 cemes remain short and dense as when in flower. Pods ovate, 1 to near I5- 

 iines long, minutely 2.1obed at the top, with a short style between the lobes. 

 Seeds ovate, usually exuding no mucus. — Eeichb, le. Fl. Germ. ii. t. 10 ^ 

 Hook. f. ri. Tasm. i. 25 ; T. Muell. Ph Vict. i. 45; L. pubendnm, Bunge, 

 K- Preiss. i. 261; i. Tiyssopifoliim, Desv. Journ. Bot. iii. 16i and 179; A 

 pulicnhsum, Desv. 1. c. 165 and 180 (a tall luxuriant form). 



fj: ^- Wales. New England, C. Stuart; Paramatta, Eerh, Mueller, 



Victoria. Throughout the colouy, except at alpine elevations, F, Mueller, 



Tasmania. Commoa on waysides and by the seashore iu many localities, /. -D. Ilool-er. 



S. Australia. Abundant in many localities, especially about salt-marshes and in waste 

 places, F. Mueller and others. 



^. Australia. Apparently abundant, Drummond, Frem, n. 1910, and others. 



var. crlsjfttm. Usually striated and very divaricate. Leaves short, oblong, cuneate, 

 ^ostly toothed. Pods rather long.— >?. crispum, Desv. Jouni, Bot. iii. 1G5 and 176; 

 ^^^ovm-Eollandlce^ Desv. I.e. 177- 



Var. (?) spinescens. Smaller branches becoming thorny; pods rather larger, ovate or 

 ^liptica!, the notch scarcely perceptible.— Salt-marehes of S, Australia towards the mouth 

 P, .^/^^ Murray, Ilildelrand, Whan, in Ilcrb. ]MueIIer. Z. amhiguvm, F. Muell. in Trans, 

 ■lull. Soc. Vict. i. 34, appears io be the same or a similar vai'icty in a luxuriant state with- 

 out the thorua. Both are now included by F. Mueller in the X. ruderale, 



ihe species has a wide raugc. chiefly alon-^ the seacoasts of the temperate regions of 

 ^^^ope, Asia, and N. Africa. 



15. THLASPI, Linu. 



Sepals erect, ec^ual at the base. Petals obovate, equal. Pod short, ovate, 

 ^bovate, obcuneate or oblong, much compressed laterally, notched or rarely 

 acute at the top, the valves boat-shaped, keeled or winged, the septum nar- 

 ^W; style filiform or stigma sessile. Seeds 2 or rarely 3 or 4 m each 

 cell not winged ; cotyledous accumbcnt.— Annual or pcrenmal herbs, the ra- 

 «^cal leaves usually spreading, entire or toothed, those of tlie stem often aunclcd 

 at tlie base. Plowers white"^ pink, or pale pui-ple, rarely yellow. 



A considerable genus spread over the temperate and colder regions of the northern henii- 

 y^re, with a very few s! Americau species/and none from S. Africa. The Anstralmn ones 

 ^^e all endemic, and dilfer from the generality of the northern ones m the seeds, usually ^ 

 ^J 4 iu each cell instead of 2 only; three of the species have not the auncled leaves of the 

 gcaus, and one has yellow flowers. 



Sjender plant of 1 to 3 iu. Stem-leavcs auricled and stcm-clnspiug . 1. T, Tasmankitnu 

 oiems rigid, with pctiolate leaves. 



Pubescence scanty, mostly simple. « m 77 ; 



I^lowers \vhitc - - - %. T, cochlear i 



num. 



Mowers yellow - • • ' ^^ T, ochranthuw, 



Pubescence stellate ''"'.*'*!!!'.-••••'*• ■^- Drimmondu 



Tasmanicum, Hook./. 



23. A smallj slender, 



