TETRADYNAMIA. SILICULOSA. Alyssum. 749 
ERYS'IMUM. Pod four-sided: ( Seeds not bordered: Coty¬ 
ledons incumbent: Stigma capitate, sometimes notched, 
with the lobes lying open : Cal. closed. Br. E.) 
CUE!RAN'THXJS. Germen with a gland on each side its base; 
(Cal. converging, the two opposite leaves gibbous. E.) 
HES'PERIS. Glands within the shorter stamens: Petals ob¬ 
lique : (Pod angular: Summit divided into approaching 
lobes : Seeds not bordered. E.) 
AR'ABIS. Glands four; within the leafits of the calyx : (Pod 
linear, flat: Seeds in a single row. Br. E.) 
BRAS'SICA. ( Glands two within the shorter stamens; two 
outside the longer: Calyx closed : Pod nearly cylin¬ 
drical, beaked, with two valves. E.) 
TURRl'TIS. Petals upright: (Pod linear, keeled: Seeds in a 
double row. Br. E.) 
DENTA'RIA. (Pod lanceolate; opening elastically: Valve 
rolling back : Seeds on flat, dilated stalks. E.) 
(2) Calyx open, the leajits wide asunder upwards. 
CARDAM 7 INE. (Pod linear, opening elastically: Valves 
rolling back : Seeds on capillary stalks. E.) 
SINA'PIS. (Pod opening, cylindrical, with a prominent 
partition: Calyx expanding horizontally : Petals erect. E.) 
(NASTUR'TIUM. Pod rounded, (sometimes short.) Valves 
concave, neither ribbed, nor keeled : Cotyledons accum- 
bent: Cal. spreading. Br. E.) 
SISYM'BRIIJM. Pod rounded or angular: Cotyledons incum¬ 
bent, (sometimes obliquely) flat: Cal. spreading, (some¬ 
times nearly erect. Br. E.) 
(BARBA'REA. Pod four-edged : Cotyledons accumbent : 
Seeds in one row: Cal. erect; shorter filaments with in¬ 
termediate glands . Br. E.) 
[Brassica Napus.] 
SILICULOSA. 
ALYS'SUM.* Pouch entire, crowned with the style : Valves 
* (Possibly from a, privative, and Wcra, madness ; it formerly being considered effica¬ 
cious against hydrophobia. E.) 
