PI. ex. that. 80. CRUCIFERiE. 444. Draba. 007 
XXVII. 444. DRABA. Dioscorides. Whitlow-grass. 
Siliculce not notched, oval ; valves flat, or slightly con- 
vex; cells many-seeded; seeds margined ; cotyledons ac- 
cumbent; filaments toothless. 
1 . Draba verna. Spring whitlow-grass . 
Scape naked; leaves oblique, pointed, hirtous, slightly 
serrate ; petals 2-cut. 
Paronychia vulgaris, Raii Syn. 292, 1 ; Ger. cm. 624, 1. 
Paronychia vulgaris alsines folio, Park. 556. 
Draba verna, Lin. S. P. 896. 
Common whitlow grass. Whiteblow. Nailwort. 
Walls; annual; March and April. 
Leaves radical, hairy ; haiifs simple or forked ; scape up- 
right, simple, racemose ; petals white ; siliculce bald crowned 
by a sessile persistent stigma. — Eaten as a sallad, also used 
in whitlows or felons. 
2. Draba rupestris. Rock whitlow- grass. 
Scape naked or 1-leaved; petals not cut; siliculce lanceo- 
late, downy ; leaves flat, lanceolate, hairy. 
Draba hirta, Smith FI. Brit. 677 , not of Linnaeus. 
Draba stellata, Dickson Tr. Lin. Sue. 2, 288. 
Draba rupestris, R. Brown in Hort. Kcw. 91. 
Alpine rocks; perennial; May and June. 
Roots tufted; leaves radical, lanceolate, fringed; some- 
times hairy beneath ; hairs quite simple, ascending; scape 
simple ; racemes corymbose ; calyx hairy ; petals white ; 
siliculce generally hairy, sometimes bald; hairs very short, 
forked. 
3. Draba incana . Hoary whitlow-grass. 
Leaves cauline, many, hoary, slightly toothed; siliculce 
oblong, bald, twisted. 
Lunaria contorta major, Raii Syn. 291, 1. 
Draba incana, Lin. S. P. 897. 
Wreathed cress. 
Limestone rocks ; biennial; May and June. 
Plant woolly ; hairs short, stellate, entangled ; stem sim- 
ple or branched above ; leaves sessile, ovate, ribbed ; calyx 
hairy; petals nicked; siliculce twisted, bald, with a very 
short style; pedicells very short. 
0. minor. Plant small. 
Lunaria q. Paronychias similis sed major, perennis Alpina repens, Raii 
Syn. 292,2. 
