CRUCIFERiE. (MUSTARD FAMILY.) 73 



16. ALiLiIARIA, Adans. Garlic-Mustard. 



Calyx erect. Petals clawed, white. Pods terete, with 3-nerved 

 valves ; septum pellucid ; seeds striate — Biennial herbs, with cordate- 

 ovate leaves, formerly attributed to Sisymbrium, from which they differ 

 in habit. 



A, officinale, DC. © 1, somewhat villous at base, glabrous 

 above. Lower leaves reniforni^ repand-crenate, upper cordate-ovate, 

 acutely dentate. Pods .05 long, .002 broad, with short, thickened 

 pedicel — April to June — Shady places ; Mount Cassius, and north- 

 ward. 



17. CONRIIVCJIA, R'c'h'b. 



Calyx erect, bisaccate. Petals clawed. Pods linear, flattened, or 

 acutely 4-angled ; valves 1 -nerved — Annual, glaucous herbs, with 

 oblong, or elliptical, entire, auricled, clasping stem-leaves, and ra- 

 cemed yellow flowers, 



1, C. Orientali§, L. © .6. Leaves oblong, wavy-margined. 

 Pods .12 long, .002 broad, spreading, 4-angled ; valves somewhat 

 keeled ; style tajjering ; stigma minute, capitate, retuse ; seeds rough 

 — February to May — Fields ; Phoenicean coast to Antilebanon, and 

 northward. 



2. C. clavata, Boiss. © .1 to .25. Leaves elliptical. Pods 

 .06 long, .0015 broad, valves obsoletely 1-nerved ; style dub-shaped, 

 quadranglecl ; stigma bifid w^ith connivent lobes ; seeds glabrous — 

 May and June — Fields ; Buqa' and Antilebanon to Antioch, Aintab, 

 and northward. 



18. ERYSIMUH, L. Treacle-Mustard. 



Calyx erect, equal at base, or bisaccate. Petals clawed. Pods 

 4-angled, terete, or flattened, valves 1-nerved or keeled ; stigma 

 capitate, retuse, or 2-lobed — Annual, biennial, or perennial herbs, 

 canescent with appressed, simple, bifid, or branching hairs. Flowers 

 yellow, or purple. 



* Annuals. Floicers yelloio. Pods ^L-angled. 



1. E. repaiidiim, L. © .15 to .3 green. Leaves linear, or 

 linear-lanceolate, repand-dentate, often recurved at apex. Pedicels sliort. 

 Flowers .008 long. Pods .04 to .09 long, .0015 broad, rough-hairy, 

 spreading, rigid, often torulose ; style thick ; stigma retuse — April to 

 June — Fields ; Moab and Gilead to Lebanon, Antilebanon, Aleppo, 

 and northward, and eastward, A variable species. 



Fm. 19. 



Pod of Erysimum repandum. 



