cahrage family 



SI 



20. SuKULARiA (Awl-wort). A small submerged aquatic herb; 

 /<'(77'Ci- all radical, subulate (awl-shaped) ; flowers few, small, white, 

 on a scape, i — 3 in. long, sometimes perfected under water. 

 (Name from the Latin subiila, an awl.) 



T. .S'. aqudtica (Water Awl-wort). — The only species, common 

 on the gravelly bottoms of mountain lakes. — Fl. June— August. 

 Perennial. 



2 I . C.\PSKLLA (Shepherd's Purse).- Annual herbs, /7OT£v;-.y small, 

 white ; pedicels slender ; pods compressed, inversely heart-shaped ; 



COCHLIi;-(Kl.'\ dAnICA 



subulAria aquAtica 

 {Water Awl-wort). 



va/ves boat-shaped, keeled, but not winged, (Name, the Latin 

 diminutive of ca/isa, a box. 



T. C. Bursa-pasibris (Common Shepherd's Purse). — A com- 

 mon weed, to be found in almost every part of the world, var)-ing 

 considerably in size, and the division of its leaves. The whole 

 plant is more or less rough with branched hairs ; root tapering ; 

 stem 6 — 16 in. high, branched ; radical leaves pinnatifid ; cauline 

 leaves auricled ; petals sometimes converted uito stamens. — Tl, 

 nearly all the year round. Annual. 



22. Cor6nopus (Wart-cress). — Branched, prostrate herbs ; 

 E 2 



