266 TETKADYlSrAMIA SIUCTJLOSA. fci/. XT. 



Annual : flowers in April and May : grows on walls in England and 

 Ireland : not common. Eng. Bot. vol. xiii. pi. 912. Eng. Fl, vol. 

 iii. p. 161. 934, 



3. ALYS'SUM. ALYSSUM. 



Calyx of four egg-shaped equal leaves. Petals egg-shaped, 

 flat, spreading, with short claws. Filaments about the length 

 of the calyx ; anthers two-lobed. Germen round or elliptical, 

 compressed. Style short ; stigma small, simple. Pouch round, 

 oval, or inversely egg-shaped, compressed, two-celled ; valves 

 flattish ; partition membranous. Seeds one or two in each cell, 

 oval, compressed. Named from a, privative, and lysson, rage. 



316. 



1. A. maritimum. Sweet Alyssum. Stem somewhat woody, much 

 branched ; leaves lance-shaped, acute, entire, hoary with close 



hairs ; seeds solitary. Flowers abundant, in dense corymbose 



clusters : petals white. Perennial : flowers in August and Septem- 

 ber : grows on banks and rocks near the sea : rare, but is not indige- 

 nous. Found in the south of England, and near Aberdeen. Eng. 

 Bot. vol. xxv. pi. 1729. Eng. Fl vol. iii. p. 163. 935. 



4. CAMELI'NA. CAMELINA. 



Calyx of four oblong, equal, spreading, deciduous leaves. 

 Petals oblong, undivided, with shortish claws. Filaments 

 thread-shaped ; anthers heart-shaped. Germen roundish. Style 

 cylindrical, erect 5 stigma obtuse. Pouch inversely egg-shaped, 

 two-celled, the valves concave, the partition membranous. 

 Seeds numerous in each cell, oblong, compressed. Name, 

 chamcelinum, dwarf- flax. 317. 



1. C. sativa. Gold of pleasure. Pouches inversely heart-shaped, 

 bordered twice the length of the style ; leaves lance-shaped, arrow- 

 shaped at the base. Stem erect, about two feet high : flowers 



small, pale-yellow. Annual : flowers in June : grows in cultivated 

 ground, chiefly among flax, with which it has been imported : rare. 

 Eng. Bot. vol. xviii. pi. 1254 : Alyssum sativum. Eng. Fl. vol. iii. p. 

 164. 936. 



5. HUTCHFNSIA. HUTCHINSIA. 



Calyx of four elliptical, equal, spreading, deciduous leaves. 

 Petals inversely egg-shaped, entire. Filaments awl-shaped ; 

 anthers roundish. Germen oval, compressed. Style compressed ; 

 stigma obtuse. Pouch elliptical, compressed, nearly entire, two- 

 celled ; valves keel-shaped ; partition narrow, crossing the 

 greater diameter of the pouch. Seeds two or more in each 

 cell, egg-shaped. Named after Miss Hutchins, an Irish bo- 

 tanist. 318. 



1. H.petrte'a. Rock Hutchinsia. Leaves pinnate, entire ; petals 

 scarcely as long as the calyx ; stigma sessile ; seeds two in each 



ceil. Stems two or three inches high, erect, branched : flowers 



minute, white, corymbose. Annual : flowers in March and April : 

 grows 011 rocks and walls in the west of England, and in Wales : 

 frequent. Eng. Bot. vol. ii. pi. 211 : Lepidium petrceum. Eng. FL 

 vol. iii. p. 168. 937. 



