242 NATURAL RISTORY OF PLANTS. 



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

 emarginate from intruded costa, subvalvate or imbricate. Germen 

 generally ochinulate ; styles at base thin or slightly incrassate ; 

 stylopods disklike flattened. Fruit ovoid or oblong, prickly with 

 straight generally barbed points, subterete or rather compressed 

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

 scarcely conspicuous ; vittae oo ; intrajugal Httle conspicuous or ; 

 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, Sandivich 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. Keceptacle 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 00 , stipitate ; ^ male flowers pedicellate and girt with oo non- 

 accrescent bracts ; female few in roundish involucre, finally enlarged 

 and adnate to base of fruit. (CapeJ) 



1 The type of which is 5. rubrijlora F. Schm. Ann. v. 63. 



{Maxim. Frim. Fl. Amur. 123) unknown to us. ^ Hort. Cliff. 495 ; Gen. n. 1165.— Poir. Bicf. 



2 Flowers pink or whitish. iv. 674 ; III. t. 865.— G^.ktn. Fruet. iii. 14, t. 



3 Spec. 8-10. Jacq. Icon. Far. ii. t. 348.— 182.— BC. Prodr.iv. 236.— Endl. G^^m. n. 4521. 

 Reichb. Ic. Fl. Germ. t. 1847.— Coll. PL For. — B. H. Gen. 879, n. 19.— H. Bn. IUcf. Encycl. 

 Chil. t. 20. — Hook. Fl. Bor.-Ainer. t. 90-92.— Sc. Med. vi. 38. — Apradus Adans. Faiiu dts PI. 

 Seub. Fl. Azov. 1. 15.— Wight, Icon. t. 334, 1004. ii. 102. 



— Cl. C. Gay FL Chil. iii. 108.— A. Gray, U. S. * "White." 



FxpL Exp. Bot. i. t, 88. — Torr. Fl. N.-TorJc, i. * Whence they appear compound. 



t. 31, Z1.— Boi^A. FLO r.\\. 832— GBEN.etGoDR. ' Spec. 3. Thunb. Fl. Cap. 255.— Lindl. Bot. 



Fl. de Fr. i. 757.— Walp. Rep. ii. 387 ; v. 845 ; Reg. t. 705.— Harv. and Sond. FL Cap. ii. 564. 



