96 CRITCIFER^. (MUBTAKD FAMILY.) 



S. Coroiiopus, L. ® BesMd barri. Leaves 1-3 pinnatisect. 

 Silicle's nearly sessile, broader than long, tubercular- FiG. 36. 

 reticulate with dentate margin ; style pyramidal — 

 Spring — Roadsides ; everywhere. 



49. PEL.TAI&IA, L, Peltaria. 



Sepals spreading, equal at base. Petals with 

 obovate, entire limb. Filaments free, toothless. 

 Silicles somewhat stipitate, papyraceous, thin, or- 

 bicular, indehiscent, 1-celled, netted veined, with ^^ 

 prominent margin, 2-4-ovuled but generally 1- 

 seeded ; style none ; stigma dot-like ; seed pen- 

 dulous. — Tall, glabrous, perennial, corymbose herb?, a. Kaceme of Senebiera 

 with white flowers, and silicles on recurved filiform ^'^"'5" Jf ^ppos^'te!* "^'^^ 



pedicels. b. Silicle magnifiod 



2 diameters. 



P. aiigustifolia, DC. If! .6 to 1. Root-leaves Fig. 37 

 long-petioled ovate, often cordate at base ; stem-leaves, 

 tapering at base, lanceolate to linear — April to July — 

 Rocky places, in middle zone of mountains ; throughout 



50. CL.YPEOL.A, L. Treacle-Mustard. 

 Calyx equal at base. Petals entire. Filaments den- 

 tate appendaged. Silicles obovate to orbicular and el- 

 liptical, indehiscent, 1-celled, 1-seeded ; stigma refuse ; 

 seeds not margined, flat, pendulous — Annual herbs siudes of 

 canescent with stellate, scurfy wool ; leaves oblong peitaria angus- 

 to linear-spathulate ; flowers racemed, minute, yellow ; tifoiia 



pedicels recurved. 



* Silicles papery, hirsute ; cell central, surrounded hy a wing. 



1. C. jontlila§pi, L © .1 to .25. Petals nearly as Fig. 38. 

 long as calyx ; silicles almost orbicular, slightly refuse at 

 apex ; seed half as broad as cell ; wing entire ; stigma 

 sessile — April to June — Hills and sandy places ; through- 

 out. 



2. C. microcarpa, Moris. .05 to .01. Petals 

 about as long as calyx ; silicles obovate-elliptical, slightly 

 notched at apex ; seed rather more than half as broad as 

 cell ; wing entire ; stigma sessile — March and April— Stony 

 places ; Sinai. Probably only a variety of the last. 



* * Silicles leathery, echinate with retrorsely barbed bristles ; wings 0. 



2. C. echinata, DC. .05 to. 15. Vei2i\s scarcely longer i\idi-n. 

 calyx ; silicles obovate-orbicular, obtuse ; style very short — Spring 

 — Hill country, east and west of Jordan, and northward to Damascus, 

 and eastward. 



4, C. lappacea, Boiss. .1 to. 2. Petals imce as long&s calyx ; 

 thrice as long as tJiose of our other species ; silicles elliptical, acute^ witT}> 

 long style — Spring — Rocky places ; Antilebanon and eastward. 



