Class XI. Order IB, 115 



cut-serrate. Spike long, erect, hairy. Flowers thinly scatter- 

 ed, on short stalks, yellow. Calyx persistent, armed with hook- 

 ed bristles. The plant is astringent and tonic. By fences and 

 thickets. June, July. Perennial. 



TRIGFNM. 



144. EUPHORBIA. 

 EUPHORBIA HELIOSCOPIA. L. Sun Spurge. 



Umbel five rayed, then three rayed and forked ; 

 involucels obovate ; leaves wedge form, serrate. L. 



A weed in rich ground, lactescent, as are the other species. 

 Stem upright, round. Leaves scattered, obovate, or wedge 

 shaped, slightly serrate at the end. Umbel of five rays, support- 

 ed by a large involucre like the leaves. Rays branching, first 

 into three, then into two divisions. Capsules smooth. Annual. 



EUPHORBIA por.vGONiFoi.iA. L. Knot grass Spurge. 



Leaves opposite, quite entire, lanceolate, obtuse ; 

 flowers solitary, axillary ; stems procumbent. L. 



A flat, spreading plant, abounding with milky juice. Stems 

 smooth, dichotomous. Leaves opposite, oblong, linear-lanceo- 

 late, blunt, nearly sessile. Flowers small, proceeding from the 

 divisions of the stem. In sandy places, near the sea shore. 

 June, July. Annual. 



EUPHORBIA MACULATA. L. Spotted Spurge. 



Leaves serrate, oblong, hairy ; flowers axillary, 

 solitary ; branches spreading. 



A flat plant like the last. Stems spreading close to thr 

 ground. Leaves oblong, obtuse, obscurely serrulate on the up- 

 per part, edged with hairs, and frequently with a dark spot in 

 the centre. Flowers very small, capsule hairy.* Found in san- 

 dy soils.. June, July. Annual. 



