PI. ex. thal. 80. CRUCIFERiE. 436. Vella. 691 
Vella annua . _ Yearling cresset . 
Leaves pinnatifid ; siliquce pendulous. 
Nasturtium sylvestre eructe affinis, Raii Syn. 304, 3. 
Eruca nasturtio cognata tenuifolia, Ger. cm. 247,4. 
Vella annua, Lin. S. P. 895. 
Valencia cress. Cress rocket. 
Sandy corn-fields ; annual; June. 
Stem branched, hispid, bristles turned back ; leaves 
doubly pinnatifid ; flowers spiked ; spikes terminal, many- 
flowered; sepales purple; petals bright yellow veined with 
violet. 
XX. 437. THLASPI. Dioscorides. Treacle-mustard. 
Siliculce compressed, nicked ; valves 2, boatshape, often 
winged, many -seeded ; filaments toothless, distinct, inserted 
in the mouth of the calyx ; sepales equal, spreading. 
a. Silicula winged. 
1. Thlaspi arvense. Corn-field treacle-mustard. 
Siliculce orbiculate ; wing dilated, longitudinal ; seeds 
concentrically streaked ; leaves oblong, arrowshape, toothed, 
bald. 
Thlaspi Dioscoridis, Raii Syn. 305,3; Ger.em. 262, 1. 
Thlaspi drabae folio. Park. 836. 
Thlaspi arvense, Lin. S. P. 901. 
Penny cress. Treacle mustard. Smooth mithridate mustard. 
Fields; annual; June and July. 
Herb bald ; stem upright, branched above ; petals small, 
not nicked, white; siliculce very large.-— Seeds acrid; herb 
has a garlic flavour, communicates a bad taste to the milk 
of cows that feed upon it. 
2. Thlaspi alpestre. Alp treacle-mustard. 
Siliculce reverse ovate, retuse ; cells 4 to 6-seeded ; style 
standing out; stamens as long as the petals; stem-leaves 
heartshape, arrowshape ; stem simple. 
Thlaspi foli is globularise, Raii Syn. 305, 4. 
Thlaspi montanum glasti folio minus. Park. 842. 
Thlaspi album supinum siliquis planis, flore spicato, Ger. em. 268, 6, 
right hand figure. 
Thlaspi alpestre, Lin. S. P. 903. 
Thlaspi montanum, Hudson FI. Angl. 282. 
White treacle mustard. 
Mountainous pastures ; perennial; June and July. 
Stems many, nearly upright, simple; leaves bald, glau- 
cous; root-leaves in a tuft, ovate; stem-leaves arrowshape; 
corymbus close, small, becoming a very long raceme ; petals 
white. 
2 y 2 
