26 



79. SISYMBRIUM. 



tail. ■ L. pinnatipartite. Divisions of lower L. 

 lanceolate, somewhat dentate ; of upper long, 

 linear, nearly entii'e, iiaccid. Anthers very long. 

 Pods filiform, hairy when yoimg. a. 5. Grassy. 

 All' Acqiiasola neai' Genoa." — Bert. 



10. Columnae. L. runcinate. Divisions 

 anricled. Sepals erect. Pod many time^ as 

 long as stalk, b. 6, 7- s. e. G. s. Pr. It. 



11. pannonicum. L. runcinate. Divisions 

 am-icled. Sepals widely spreading. Stalk 

 nearly as thick as the pod. Cult, and waste. 

 b. 5-7. e. G. Mannheim. 



12. Sophia. L. bi-, tri-pinnate. Divisions 

 linear. Pod three times as long as stalk, a. 

 6-8. Waste. 



D. Foci compressed, or somewhat ^-edged. 



13. bursifolium. L. pinnatifido-lp-ate. 

 Stem erect, leafy. Pods somewhat spreading. 

 Style short, somewhat ohtuse. a. 3, 4. Moist 

 hills. Sic. — Guss. 



14. Thalianuiu. L. oblongo -lanceolate, un- 

 divided, toothed. Seeds oblong, a. 4-6, and 

 9, 10. Walls and waste. 



80. ALLIARIA. 



1. of&cinalis. L. cordate. Pods prismatic, 

 many times longer than their stalks, a. or b. 

 4, 5. Banks. 



81. ERYSIMUM. 



A. Style filiform, longer than pod. Sp. I. 



B. Style much shorter than pod. 

 i. Pod 2-edged. Sp. 2. 



ii. Pod mth 4 nearly equal angles. 



a. Stalks 2 or 3 times calyx. Sp. 3. 



b. Stalks about equal to calyx. Sp. 4-7. 



c. Stalks hartUy half calyx. Sp. 8-19. 



C. Style hardly any. Petals erect. L. am- 

 plexicaul, smooth. Sp. 20, 21. 



A. Style filiform, longer than Tod. 



1. siculuiu. Pod prismatic, hoary, covered 

 with the persistent calyx. PI. on short stalks. 

 L. lineari-lanceolate, quite entii-e. b. Sic. 

 Guss.y?-o;K Sprengel. 



B. Style much shorter than Pod. 

 i. Pod 2-edged. L. not cordate at base. 



2. glabrum. Pod prismatic, longer than 

 style. Stalks as long as deciduous calyx. L. 

 lanceolate, sinuato-dentate at base. a. 7- 

 Messina. 



ii. Pod with 4 nearly equal angles. 

 a. Stalks 2 or 3 times a^ long as Calyx. 



3. cbeiranthoides. Pod twice as long as 

 stalk. L. lanceolate, repando-denticulate, or 

 dentate, rough mth trifid hairs. a. 6-9. 



Fields and gravelly banhs. 



b. Stalks about as long as Calyx. 



4. virgatum. Pod somewhat compressed 

 laterally. L. quite entire, rough mth trifid 

 hairs. Blade of Pet. cuneato-obovate. b. 6, 7. 

 Bushy hills, e. Pr. G. Sw. rare. 



5. strictum. Pod somewhat compressed 

 laterally. L. repando-denticulate, rough with tri- 

 fid hairs. Blade of Pet. cuneato-obovate. b. 

 6,7. Walls and banks, e. G. Banks of Maine ■ 

 and of Rhine. 



6. canescens. Pod exactly quadrangular, 

 greener and smoother on the angles. L, lineari- 

 lanceolate (sometimes almost filiform, Gay), 

 recm-ved at top. Hairs almost all bipartite, 

 but apparently simple, the two branches being 

 in a straight line. Barren branches in the 

 axils of L. Sepals equal, b. 6, 7- Openuncult. 

 s. e. G. VaU. Prov. Nice, lower Austr. 



7. suffruticosum. Pod compressedly 4- 

 edged, tomentose within, green on the angles. 

 L. oblougo-lanceolate, mucronate. Hairs nearly 

 all apparently simple, b. 5, 6. Vncult. Be^ 

 tween Verviers and Limburg. 



c. Stalks hardly half as long as Calyx. 



8. odoratuiu. Pod greener at the angles. 

 (Style short, stigma thick, Bert.) L. lineari- 

 lanceolate, nearly entii-e. Hairs tripartite. 

 Blades of Pet. subrotund. b. 6, 7- Limestone 

 hills, e. Ger. 



9. carniolicum. " Hairs bi- or tripartite. 

 Stem angular, nearly simple. Lowei- L. run- 

 cinate ; upper narrow lanceolate, shai-ply serrate. 

 Blade of Pet. suhrotimd. Style somewhat slen- 

 der. Stigma a small, 2-lobed head. b. 5, 6. 

 Mte. Maggiore in Istria." — Bert. 



10. repandum. Pods obtusely 4-edged, 

 hardly thicker than the thickened horizontal 

 stalks. L. lanceolate, acmninate, often repando- 

 dentate, recmTcd at top. Hairs bi- and tri- 

 partite, a. 6, 7. s. e. G. 



11. crepidifolium. Pet. of one colour, 



obtusely 4-edged ; sides unequal. Plower-stalks 

 slender. Cal. bigibhous. L. lanceolate, gene- 

 rally repando-dentate. Hairs bi- and tripartite. 

 b. 5, 6. Rocky hills. Bingen. e. G. 



12. rhseticuiu. Pod hoary, 4-edged. Stigma 



