Pl.ex.thah 80. CRUCIFERiE. 446. Alyssum. 699 
XXIX. 446. ALYSSUM. Dioscotfdes. Alysson. 
Siliculce nearly round ; valves more or less compressed ; 
cells 1 to 4-seeded; seeds margined; cotyledons accumbent. 
Alyssum maritimum. Sea alysson . 
Siliculce not notched, bald; cells 1 -seeded ; filaments 
toothless; leaves linear, lanceolate, pointed, slightly hoary ; 
hairs 2-parted, pressed close. 
Alyssum minimum, Lin. S. P . 908. 
Alyssum maritimum, Willd. S. P. 
Alyssum halimifolium, Lin. S. P. 907. 
Sweet cameline. 
Sea cliffs, naturalized; perennial; August, September. 
Flowers many, white, odoriferous ; petal-claws and sta- 
mens blue, becoming purple. 
Fam. XVI. 81. FUMARIDEiE. 
Calyx 2-sepaled, deciduous ; petals 4, irregular ; lower 
petals mostly spurred; stamens definite, diadelphous; ovary 1 ; 
style 1 ; stigma cut, persisting; pericarp capsular or sili- 
quose, 1 -celled, or many-seeded; seeds peritropal, parietal ; 
perisperm fleshy; corculum small, bent; cotyledons very 
short; radicle below. 
Pericarp globular, valveless, 1-seeded .. Fumaria. 447. 
Per. podshaped, 2-valved, many-seeded Corydalis. 448. 
I. 447. FUMARIA. Gesner. Fumitory. 
Calyx very small; petals 4, irregular, 1 -spurred; stamens 
diadelphous; andropkores 2; anthers 3 to each androphore; 
pericarp spherical, valveless, 1-celled, 1-seeded ; seed affixed 
by the umbilical cord to the inner surface of the capsule. 
1 . Fumaria parvi/lora. Small-flowered fumitory. 
Stem branched, trailing; leaves more than twice com- 
pounded ; leaflets 3-parted, linear, channelled ; spikes loose. 
Fumaria spicata # s Lin. Syst. Veg. 
Fumaria tenuifolia, Symons Syn. 200. 
Fumaria parviflora, Lamarck Enc. Melh. 2, 567. 
Fields ; annual ; August and September. 
Leaf-lohes very narrow, convex beneath ; flowers small, 
pale. 
