MONOECIA— MONANDRIA. Euphorbia. 61 



E. exigua. Linn. Sp. PL C54. Willd. v. 2. 903. Fl. Br. 5 1 5. Engl. 

 Bot. V. 19. t. 1336. Curt. Lond. fasc. 4. t. 36, Dicks. H. Sice, 

 fasc. 9. 6. Hook. Scot. 148. Fl. Dan. t. 552. 



Tithymalus n. 1048. Hall. Hist. v. 2.9. 



T. leplophyllos. RaiiStjn. 3\3. Camer. Epit.966.f. 



T. exiguus saxatilis. Bauh. Prodr. 133. Magnol. Monsp. 259./. 



T. sive Esula exigua. Bauh. Pin. 29 1 . 



T. minimus angustifolius annuus. Bauh. Hist. v. 3. p. 2. 664./. 



Esula exigua. Trag. Hist.296.f. Ger. Em.503.f. Lob.Ic.357 .f. 



E. minima Tragi. Dalech. Hist. 1656./; not Peplis minor, 1659. 



In gravelly corn-fields. 



Annual. July. 



Our smallest Euphorbia, from 3 to 6 inches high, smooth, rather 

 glaucous, erect, either branched or not from the bottom. Leaves 

 very narrow, usually acute ; but not unfrequently abrupt and 

 somewhat wedge-shaped ; when it becomes E. retusa of Ca- 

 vanilles, lev. 1. 1. 34. f. 3, which the slightest observation or 

 comparison may retrace to its original. Umbel sometimes of 

 4 or 5 branches. Bracteas unequal, and inclining to heart- 

 shaped, at the base, always acute at the point. Fl. small ; their 

 nectaries tawny, rounded, with a pair of distinct, or superadded, 

 horns. Caps, smooth. Seeds quadrangular, rugged. 



Bauhin's Tithymalus n. 2, Prodr. 133, is the blunt-leaved variety. 

 See Magnol. 



*** Umbel qf4f branches. 

 4. E. Lathyris. Caper Spurge. 



Umbel four-branched, forked. Leaves opposite, four- 

 ranked, sessile, entire ; heart-shaped at the base. 



E. Lathyris. Linn. Sp. PL 655. JVilld. v. 2. 506. BoL Guide 27. 

 EngL BoL v. 32. L 2255. Comp. ed. 4. 148. Bid. Fr. t. 103. 



Tithymalus n. 1044. HalLHist.v. 2. 7. 



Lathyris. Ma«/i. Fa/g-r.u. 2. 597./. Camer. Epit. 968./. Fuchs. 

 Hist. 455./. Ic.256./. Dalech. HisL 1657./. 



L. major. Bauh. Pin. 293. 



L. seu Cataputia minor. Ger. Em. 503./. 



Esula major. Riv. Tetrap. Irr. t. 114. 



Cataputia vulgaris. Best. Hort. Eyst. cestiv. ord. 1 2. t. 2. / 1 . 



In dry stony thickets, probably a naturalized plant. 



In several places about Ufton, near Reading, Berks, springing up 

 periodically for a year or two after the bushes have been cut, 

 and till choked by briars, &c. Rev. Dr. Beeke, Dean of Bris- 

 tol. On the declivities of the Steep Holmes, in the Severn. 

 Dr. Gapper, 



Biennial. June, July. 



Root with many strong fibres. Stem solitary, erect, 2 or 3 feet 

 high, purplish, round, hollow, smooth like every other part. 



