Siegesbechia.] XXXIX. COMPOSITAE. 317 



Austr. iii. 579. C. fimbriata, DC, Prod. vi. 152; Hook, f., Fl. N.Z. i. 131; 



Handbk. 144. Richea glauca, LaMll, Voy. i. 186, t. 16. Cartodium apricum, 



Banks and Sol. MSS. 



NORTH and SOUTH Islands : from the East Cape to Southland. STEWAET Island : rare, 

 T. K. Sea-level to 5,000ft. Deo. to Feb. 



Var. pedicellata. Glabrous or minutely soaberulous. Leaves never margined, broadly 

 obovate or narrow oblong-obovate, subacute. Scape leafy. Heads sometimes very large ; secondary 

 heads usually on longer pedicels. Florets more numerous, with a longer tube ; moiith broadly cam- 

 pan ulate. Pappus longer. STBWABT Island, T. E. Perhaps identical with C. macrocephala, 

 Hook, f., PI. Tasm. i. 197, but I have not seen authenticated specimens. 



Var. lanata. The entire plant densely clothed with snow-white wool. — Hook, f., PI. N.Z. i. 

 132. C. alpina, Backh. in Hook., Lond. Journ. Bot. vi. 119 ; Hook, f., Handbk. 144. In alpine 

 districts. 



Var. viscosa. Leaves with minute raised viscid points. Compound head broadly sub- 

 oonical ; secondary heads usually with 3 florets ; involucral bracts ovate, acute. Achene linear- 

 ovate, strigillose. — C. viscosa, Col. in Trans. N.Z.I, xvi. (1883) 333. Matamau, Hawke's Bay. I 

 have not seen specimens. 



An extremely variable plant ; found also in Australia. 



* XANTHIUM, Linn. 



Flower-heads in terminal racemes or clusters, monoecious. Male : globose ; 

 involucral bracts small, 1-seriate ; anthers free ; receptacle cylindrical, paleaceous ; 

 florets tubular. Female : heads ovoid ; involucral bracts 2- or 8-seriate, the outer 

 small, the 2 innermost large, coherent, forming a hard ovoid mass, 2-celled, prickly 

 outside, terminating in 2 conical tubercles ; florets 2 ; corollas 0. Style-arms filiform, 

 protruding. Achene obovoid, enclosed in the indurated prickly involucres. Pappus 0. 

 Annuals, with coarse alternate leaves. 



* X. spinosum, Sp. PI. 987. A coarse spreading herb, 1ft. -2ft. high. Branches 

 rigid. Leaves alternate, with a strong 3-fid spine below each, lanceolate, acute or 

 acuminate, cuneate at base, 3-fid, the lateral lobes very short, white with appressed 

 tomentum beneath. Flower-heads in axillary fascicles or solitary, sessile, the upper 

 male ; the lower female, forming in fruit an oblong burr, ^in. long, clothed with 

 hooked prickles, the terminal conical beaks reduced to minute tubercles. 



NORTH Island : naturalised in many places from Auckland to Wellington, but sporadic. 

 SOUTH Island : Marlborough : rare. Feb. to April. 



15. SIEGESBECKIA, Linn. 



Involucre broadly campanulate, glandular-hispid; the outer bracts linear- 

 spathulate, spreading ; the inner shorter, ovate or oblong-ovate. Receptacle 

 paleaceous, the scales half enclosing the achene. Outer florets in 1 row, 

 female. Disk-florets hermaphrodite, tubular, 5-toothed. Anthers without 

 tails. Style-branches short, usually obtuse. Achenes somewhat turgid, usually 

 curved. Pappus 0. Herbs, with opposite leaves and paniculate flowers. 



A small genus, chiefly found in warm regions. • 



1. S, orientalis, L., Sp. PL 900. A sparingly branched pubescent 

 annual, 1ft.— 3ft. high. Leaves lin.— 2in. long, membranous, lanceolate or 

 broadly ovate, triangular, petiolate, entire or irregularly sinuate-toothed or 



