28 CRUCIFER/E. 
Suborder III. Angustiseptte. Tribe VII. Thlaspidea. 
24. Tiilaspi Linn. 
1 . T. arvense (L.) ; fruitbearing raceme elongated, pouches 
orbicular with a broad longitudinal wing, seeds concentrically ru- 
gose and striated, stem I. oblong sagittate toothed. — E. B. 1659. 
R. 4181. — Cells above 6-seeded. Pouch very large with re- 
markably broad wings. St. often a foot high. T. alliaceum (L.) 
differs from this by having a narrower wing to the pouch and 
foveolate-reticulate seeds. — Fields and road-sides. A. V. — VII. 
Penny Cross. 
2. T. perfuliatum (L.) ; fruitbearing raceme elongated, pouches 
obcnrdate, style included within the notch, seeds 3 — 4 in each 
cell smooth, stem I. cordate-ob\ong.—E. B. 2354. R. 4183. — 
About 6 in. high. — Limestone pastures in Oxfordshire and Glou- 
cestershire. A. V. E. 
3. T. alpeslre (L.) ; fruitbearing racemes elongated, pouches 
tiiangular-obcordate, style exserted, seeds numerous, stem I. ob- 
long-cordate. — E. B. 81.— Stam. as long as the petals. St. 
simple, several from the same root, 6 — 12 in. long. — Limestone 
mountain pastures. P. VI. — VIII. E. S. 
25. Hutchinsia R. Br. 
I. H. petrcea (R. Br.); 1. pinnate, St. branched leafy, pet. 
scarcely longer than the calyx, pouches obtuse at both ends. — 
E.B. 111. R. 4190.— A small plant, 2—4 in. high, with small 
flowers. Differs from Teesdalia, to which it is referred by Reich- 
eubach, by wanting the scales at the base of the filaments ; from 
the other species of Hutchinsia (Koch), Nocccea (R.), by its ac- 
cumbent cotyledons. — Limestone rocks, rare. A. III. — V. E. 
26. Teesdalia R. Br. 
1. T. nudicaitlis (R. Br.); petals unequal.— E. B. 327- R- 
4189. — L. numerous, spreading on the ground, lyrate-pinnatifid, 
rarely orbicular-spathulate and entire. St. 2 — 4 in. high, some- 
times bearing 1 or 2 small leaves. Stam. with remarkable scales 
within. Pouch emarginate. — Sandy and gravelly places. A. V. 
VI. E. S. 
27. Iberis Linn. 
1 . /. amara (L.) ; herbaceous, 1. lanceolate somewhat toothed, 
pouches racemose orbicular notched : lobes triangular porrect. — 
E. B. 52. R. 4197. — L. usually with 1—3 obtuse teeth on each 
side. St. often 1 foot high, diffuse, branched. Fl. at first co- 
i \ nibose, afterwards in lengthened clusters. Outer pet. radiant. 
Chalky fields. A. VII. Bitter Candytuft. E. S. 
