242 NATURAL SISTORY OF PLANTS. 



dentiform or membranous. Petals 5, long-induplicate-acuminate, 

 emarginate from intruded costa, subvalvate or imbricate. Germen 

 generally echinulate; styles at base tbin or sligbtly incrassate-; 

 stylopods disklike flattened. Fruit OYoid or oblong, prickly witb 

 straight generally barbed points, subterete or rather compressed 

 laterally ; commissure rather flat, slightly constricted or broad ; ridges 

 scarcely conspicuous j vittae oo ; intrajugal Uttle conspicuous or 0; 

 carpophore ; seed transversely semiterete or subterete, at face flat 

 or slightly convex. — Herbs oftener low and perennial; leaves alter- 

 nate, sometimes rosulate, generally palmati-3-5-sect ; segments 

 dentate - lobed or pinnate - dissected ; flowers in (spurous ?) sub- 

 2-chotomous or few-rayed, sometimes irregularly compound umbels ; 

 bracts of involucre often leaflike dentate-lobed ; bracteoles small or 

 sometimes (Erythrosana'^) wide rayed; umbellules 1, 2-sexual.^ 

 (Europe, temp. Asia, cold and temp. Americas, Sandwich Is.^) 



88. Arctopus L.* — Flowers ^ dioecious ; receptacle of males small. 

 Sepals and petals 5; stellately rayed, pointed. Disk (?) central flat. 

 Stamens 5 ; filaments inserted under disk elongate incurved ; anthers 

 short. Styles 2 rudimentary in centre of flower. Receptacle of 

 female flower tubular, attenuate in a neck, dilated above and there 

 bearing 5 narrow sepals and petals. Germen inferior, adnate to 

 receptacle; one cell often sterile rudimentary; the other 1 -ovulate ; 

 ovule anatropous descending. Styles 2 erect, long-conical, enlarged 

 externally to a short stylopod. Primary and sometimes secondary 

 ridges rigidly prominent, either naked, or setose, spinescent or 

 muricate ; intrajugal vittae thin or 0. — Perennial herbs ; leaves 

 adpressed to ground suborbicular or subflavellate, spinose- dentate or 

 setose ; petiole more or less dilated ; umbels on short or sub-0 

 stem cx) , stipitate ; " male flowers pedicellate and girt with oo non- 

 accrescent bracts ; female few in roundish involucre, finally enlarged 

 and adnate to base of fruit. (Cape.'') 



' The type of which is S. rubriflora F. Schm. Ann. v. 63. 



(Maxim. Prim. Fl. Amur. 123) unknown to us. * Sort. Glif. 495 ; Gen. n. 1165. — PoiK. Hicf. 



2 Flowers pink or whitish. iv. 674 ; III. t. 865. — Gjeutn. Frucl. iii. 14, t. 



3 Spec. 8-10. jAca. Icon. Ear. ii. t. 348. — 182. — DC. Pro*. iv. 236.— Endl. Gew. n. 4521. 

 ' Reichb. Ic. Fl. Germ. t. 1847. — Coll. PI. Rar. — B. H. Gen. 879, n. 19. — H. Bn. Diet. Emycl. 



Chil. t. 20.— Hook. Fl. Bor.-Amer. t. 90-92.— So. Med. -vi. 3S.—Apradus Adans. Fam. dcs PI. 



Seub. Fl. Azor. 1. 15.— Wight, lam. t. 334, 1004. ii. 102. 



— Gl. C. Gay FL Chil. iU. 108.— A. Gray, U. S. * " White." 



Fxpl. Exp. Hot. i. t. 88. — Tour. Fl. N.-Tork, i. « Whence they appear compound. 



t. 31, 32. — Boiss. F/.Or.ii. 832.— Gken. et Godr. ? Spec. 3. Thunb. Fl. Cap. 256.— Lindi. Bot. 



Fl. de Fr. i. 757.— Walp, Sep. ii. 387 ; v. 845 ; Seg. t. 705.— Harv, and Sond. ^-7. Cap. ii. 564. 



