MatthiolaJ] 



VI. CRUCIFERiE ; ARABIDE^. 



23 



5. 



». 



4. 

 12. 



Aeabis. Tods compressed, long, linear; valves 1-nerved, or with 

 several longitudinal coarse veins. Seeds in one row. Cot. o=. 



TuRRiTis. Pods compressed, long, linear ; valves 1-nerved. Seeds 

 in two rows. Cot. o=. 



Draba. Pods compressed, oblong; valves 1-nerved. Seeds in 2 

 rows. Cot. o=. 



'^^^'m 3. Barbarka. Pods linear, 4-angled; valves 1-nerved. Seeds in a 



single row. Cot. o=. 

 Nasturtium. Pods oblong or linear, terete ; valves very convex, 



reticulatelj veined, nerveless. . Seeds irregularly in 2 rows! 



Cot. 0^=. 

 Sisymbrium. Pods linear, terete, or slightly angled ; valves 3- (or 



rarely 1-) nerved. Seeds not striated; stalks slender. Calyx 



jless: 



\ 



8. 



-8-« 



19. 



Its gk 



0=:. 



'him 



perman 



pema 



ellow. 

 ,ny in 5 



Seeds di 



permaK 



Filamf 

 ite. , 



1-0- 



Is not I 

 that*' 



esses, «■ 

 , (J* 



slightly spreading. Cot. o|[. 



20. Alliaria. Pods long, linear, terete; valves slightly 3-nerved. 



Seeds striated; stalks broad. Cot. o[|. 



21. Erysimum. Pods linear, 4-angled; valves 1-nerved. Seed-stalks 



slender. Calyx erect. Cot. ol|, 



^tt Calyx conspicuously hisaccate at the base. Valves of pod nerved. 



21. Erysimum. Stigma nearly simple. Pod 4-angled. Cot. o[|. 

 2. Cheirantbus. Stigma on a style, lobes patent (or capitate). Cot. 



1. Matthiola. Stigma sessile, lobes connivent, either thickened or 

 horned at the back. Cot. o=. : 



18. Hesperis. Stigma nearly sessile; lobes elliptical, obtuse, conni- 

 vent. Cot. o|. 



18a. Malcolmia. Stigma conical acute. Pod cylindrical. Cot. oH. 



** Style forming a stout conical, often seed-hearing beak. Cot. 



28. Brassica. Calyx erect. Pod terete or angled. Seeds in a single 



row, globose. 



29. SiNAPis. Calyx spreading. Pod terete or angled. Seeds in a sinde 



row. • ^ 



80. DiPLOTAxis. Calyx spreading. Pod compressed. Seeds in two 



rows. 



33. 



D. Fruit without valves or a dissepiment. 



Eaphanus. Fruit divided transversely into several 1-seeded loints. 

 Calyx erect. Cot. -^^ "^ 



i^ 



PLEURORHIZ^ 



'• (0=) 



-iriDe 1. arabide^. Pod elongated; valves Jiat, concave, or 

 , slightly keeled : dissepiment narrow, in the broadest diameter} 



Cot. o=rGen. 1— S ^ 



rarely 



( 



bW 



i^ 



Matthiola 



compressed) 



Stock. 



O 1 T. 1 J- --* -^ v.v^iii£^icoscuy t;ruvv lieu wiui tutj cuiimvent 



^-lobed stigma, the lobes either thickened at the back^ or with 



ghtly twisted so 



J 2 ItTffpn^r'''' °*' ^''S^" =''™°^t agree with this character. 

 i^r as to be annliPrt ^n",l' ''k ^V "i'' J' ^^"^ '^^^e- ^^at the radicle is slig.iuy twstea so 



