PL ex. thai 80. CRUCIFERiE. 446. Alyssura. 699 



XXIX. • 446. ALYSSUM. Dioscorides. Alys&on. 



Siliculce nearly round ; valves more or less compressed ; 



cells 1 to 4-seeded ; seeds margined ; cotyledons accumbent. 



Alyssiim maritimum. Sea ahjsson. 



SiliculcB not notched, bald; cells 1-seeded ; Jila7nen{s 

 toothless; leaves linear, lanceolate, pointed, slightly hoary ; 

 hairs 2-parted, pressed close. 



Alyssuni minimum, Lin. S. P. 908. 

 Alyssnm 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. FUMARIDE^. 



Calyx 2-sepaled, deciduous; petals 4, irregular; lovi^er 

 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 j 

 perisperm fleshy; corculum small, bent; cotyledons very 

 short; radicle below. 



Pericarp globular, valveless, 1-seeded . . Fomaria. 447. 

 Per. podshapedj 2-valved, many-seeded Corydalis. 448. 



I. 447. FUMARIA. Gesner. Fumitory. 



Calyx very small; petals 4, irregular, 1 -spurred; stamens 

 diadelphous; androphores 2; anthers 3 to each androphore; 

 pericarp spherical, valveless, l-celled, 1-seeded; seed affixed 

 by the umbilical cord to the inner surface of the capsule. 



1 . Fumaria parvifiora. Small-Jlowered fumitory . 



Stem branched, trailing; leaves more than twice com- 

 pounded ; leaflets 3-parted, linear, channelled ; spikes loose. 



Fumaria spicata j8, Lin. Syst. Veg. 



Fumaria tenuifolia, Symons Syn. 200. 



Fumaria parvifiora^ Lamarck Enc. Melh. 2, 567. 



Fields ; annual ; August and September. 

 Leaf'lohes very narrow, convex beneath ; Jiowers small, 

 pale. 



