258 23. EsLila. 10. EUPHORBIACE^. PL ex. jmn, 



Tithamylus parvus anniius, foliis subrotundis con crenatis, Peplus dic- 

 tus, Rail Syh. 313,9. 



Peplus sive Esula rotunda, Qer, em, 503, 19. 



Euphorbia Peplus, Lin. S. P. 653. 



Esu\a, ToluaditoVya., Bivinns Tetrap.irr. 118. 



Esula Peplus, Hamorth Succ. PL 157. 



Euphorbia (Esula) Peplus (oleraceus), Pers. Syn. 2, 14. 



Cultivated fields ; annual; July and August. 

 Root fibrous; herb light green, erect, branchy : ^owerif 

 yellow, small. 



2. Esula ex'igua. Dtuarf esula, 

 Umlells 3 or 5-rayed, forked ; bracfeolcB lanceolate ; leaves 



sessile, linear, not cut; seeds nearly 4-sided, traversely cor- 

 rugated. 



Tithjmalus leptopbjllus, Eaii %n. 313, 7 ; Park. 193. 

 Esula exigua Tragi, Ger, em. 503, 17. 

 Euphorbia exigua, Lin. S. P. 654. 

 Esula exigua, Ilaworth Succ. PI, 157. 



Cornfields; annual; July. 



Herl/ 6 in. high, bald; Jiotvers very small, yellow. 



b. Uegma bald, sinooth ; seeds ovate ; perennial. 



3. Esula Portlandica. Fort land-island esula, 

 TJmhells 5-rayed, forked; hracteolce nearly heartshapej 



concave, mucronulate; leaves linear, reversely ovate, pointed, 

 b>ild, spreading; seeds ovate, reticulate. 



Tithymalus maritimus minor Portlaudicus, Rail Syn. 313,6. 

 Euphorbia Portlandica, Lin. S. P. 656. 

 Esula Portlandica;, Haworth Succ. PI. 154. 



Sea-coasts; perennial; August. 



Root branchy ; herb glaucous, 1 foot high ; capsides rough 

 at the angles ; involucrum 8-cut, outer lobes yellow. 



4. Esula paralia. Sea esula, 

 Umbell 5-rayed, forked ; Iracteolce cordate kidneyshape; 



leaves lanceolate, imbricate, concave ; seeds ovate, smooth^ 

 spotted with red. 



Tithymalus paralius, Raii Si/n. 312, 4 ; Ger. em. 498, I. 



Euphorbia Paralias, Lin. S. P, 657. 



Euphorbia paralia, Engl. Bot. 1915. 



Tithymalus maritimus, Lamarck Fl. iV. 3, 90. 



Esula paralia, llamorlh Succ. PL 144, 



Sea spurge. 



Sea-side ; perennial ; August and September. 

 Herb light bluish grey, very smooth; 12 in, high ; invO" 

 lucrum 10-cut, outer lobes fulvous. 



