Alyssum. Xlll. CRVCIFERJE. 163 



5. (JOCHLEARJA. Tourn. 



Lat. cochlear, a spoon ; rufcring to the conr.ave leuves. 



Calyx equal at base, spreading; petals entire; stamens without 

 teeth ; silicic sessile, oblong or ovoid-globose, with ventricose valves ; 

 seeds many, not margined ; 0=. — Fls. white. 



1. C. Armohacia. Horse Radish. — Rad kail rs. oblong, crenatc; cauline\or\g, 

 lanceolate, dentate or incised, sessile; .s///Wf elliptic— 11- A common garden 

 herb, native of Europe. Root flesh}^ large, white, very acrid. Stem 2— 3f 

 high, angular, smooth, branching. Radical leaves near a foot long, i as wide, 

 on long, channeled petioles. Lower stem-leaves often cut in a pinnatifid 

 manner, upper toothed or entire. Flowers small, in corymbose racemes. Tha 

 root is a well known condiment for roast beef and other viands. Jn. 



/?. aqvatica. (C. aquatica. Eaton and \st edit.) Lvs. all pimiatifid, the 

 lower ones doubly and finely so. Wet places, often submerged.^ 



2. C. OFFrciNALis. Scurvy Grass. — Radical lvs. cordate, petiolate, cauUnc 

 ovate, angular or dentate ; silicles oval-globose, half as long as the pedicel. — 

 %. Native of Europe and of Arctic Am. . Stem 8—12' high. Root leaves 4—18' 

 long, I as wide. Flowers raccmed. Occasionally cultivated for its powerful 

 antiscorbutic properties, Jn. 



6. SUBULARIA. 

 Named in reference to the linear-subulate leaves. 



Silicle oval, valves turgid, cells many-seeded ; stigma sessile ; coty- 

 ledons linear, curved. — (X) Aquatic^ acaidescent herbs, 



S. AauATiCA. Atdwort. 



A small plant growing on the muddy shores of ponds in Maine, Nutt., 

 and near the White Mts., Pickering. Leaves all radical, entire, subulate, an 

 inch in length. Scape 2 — 3' high, racemose, with a few minute, white flowers, 

 on slender pedicels only 2" in length. Jl. 



7. CAMELINA. Crantz. 



Gr. x^^i*^'^'-) dwarf; \ivov, flax. 



Calyx equal at base ; petals entire ; silicle obovate or subglobose, 

 with ventricose valves and many-seeded cells ; styles filiform, persis- 

 tent ; seeds oblong, striate, not margined, || . 



C. SATivA. Crantz. (Myagrum. Linn.) Guld-of-pUasure. False Flax. 



Lvs. lanceolate, sagittate at base, subentire ; silicle obovate-pyriform, mar- 

 gined, tipped with the pointed style. — (T) In cultivated fields. Stem H — 2^ f. 

 high, straight, erect, branching. Leaves roughish, 1— 2' long, clasping the 

 stem with their acute, arrow-shaped lobes. Flowers small, yellow, in panicu- 

 lated racemes. Silicles 2—3" long, on pedicels 2—3 times as long.— Said to 

 be cultivated in Germany for the oil which is expressed from the seeds. Jn.^ 



8 ALYSSUM. 



Gr. a. privative ; \vaa:a, rage ; Buppoi^td by the ancients to allay anger. 



Calyx equal at base ; petals entire ; some of the stamens with 

 teeth ; silicle orbicular or oval, with valves flat or convex in the cen- 

 tre ; seeds 1 — 4 in each cell. 



1. A. sAXATiLE. Rock Ali/s.'iwii. Madwort. — St. suflfruticose at base, subco- 

 rymbose; ks. lanceolate, entire, downy ; silicle ovate-orbicular, 2-seeded; 5^5. 

 margined. — An early-flowering garden perennial, native ot Candia. Stem If 

 high, with numerous yellow flowers in close corymbose bunches. Apr. May.f 



2. A. MARiTiMUM. Lam. Sweet Ahjssnvi. — St. suff'ruticose and procumbent 

 at base ; lvs. linear-lanceolate, acute," somewhat hoary ; pods oval, smooth.— 

 % A sweet-scented garden plant, with fine leaves and small white flowers. 

 Stem a foot in length. Flowers from Jn. to Oct.— All the species of Alyssum 

 are of easy culture in common loamy soils, f 



