TWO NEW GENERA OF CRUCIFERÆ. 77 
v. a latere compressus, stellato-pilosus; sepalis lateralibus 
convexis basi saccatis, antico posticoque planis, angustioribus, 
basi simplicibus. Petala unguibus latis, spathulatis, mem- 
branaceis, uninerviis, calycem excedentibus, laminis angustis 
elongatis, lanceolatis, acutis, siccitate sæpe a latere involutis, 
spiraliter tortis. Stamina tetradynama, ovario multo lon- 
giora. Ovarium parvum, obovatum, densé stellato-pilosum, 
stigmatibus valde hirsutis divergentibus coronatum. Sili- 
cula 4-3 unciam, oblonga, panduriformis, a latere valde 
compressa, basi rotundata, apice biloba, lobis patentibus ob- 
tusis, juxta margines laterales constricta? Semina testá 
hyalinà e cellulis magnis conflata, plano-compressa, margine 
subalata, in loculis 6-8, biseriata. 
This genus is sufficiently characterized by the remarkable 
fiddle-shaped silicule and the singular petals. The specimens 
consist of branches broken off within a few inches of the 
apex; and it is impossible to judge from them what may be 
the proximate size or the habit of the plant. 
Tas. IV. Lyrocarpa Coulteri, with flowers and fruit. Fig. 1. 
Flower. f. 2. Petal. f. 3. Stamens and pistil. f. 4. Fruit, 
scarcely mature, from which the valves are removed. f. 5. 
Seed. J. 6. Transverse section of ditto; more or less mag- 
nified, 
Drrayeea. Harv. 
Calyx cylindricus, clausus, tetraphyllus, foliolis linearibus, 
simplicibus. Petala 4, lineari-spathulata, basi ampliata. 
Stamina 6, tetradynama, libera, edentula. Stylus brevis- 
simus; stigma bilobum. Silicula sessilis, biscutata, basi 
€t apice emarginata, valde a latere compressa, margine 
Incrassata. Semina in loculis solitaria, compressa, immar- 
ginata, horizontalia. Embryonis albuminosi cotyledones 
plane oblongæ radicule descendenti septum spectanti ac- 
cumbentes, — Herba Californica, stellato-pubescens ; foliis 
”epandis; floribus luteis (?) in racemis terminalibus simplicibus 
s itis, pedicellis basi biglandulosis. + 
Dith ea Californica. Harv. (Tas. V.) 
In California legit 7. Coulter (N. 37.) 
