338 



XXXIX. COMPOSITAE. 



ISenecio. 



Leaves few, lanceolate-acuminate, 3in.-7in. long. Panicles terminal. Ray- 

 florets about 12, narrow, contorted 

 Leaves narrowed at both ends. Corymb lax. Heads few . . 



Leaves rounded at both ends. Corymb dense, glandular-pubescent. Heads 

 numerous 



Leaves viscid, oblong-lanceolate, flat. Corymbs terminal on a leafy peduncle 

 Leaves excessively viscid and coriaceous; margins recurved. Corymb lax. 

 Peduncle naked. Heads few 



Leaves Jin.-ljin. long, narrow oblong-obovate, crenate. Corymbs slender, 

 lax. Heads numerous ; involucres glandular 



Leaves |in.-ljin. long, obovate or obovate-oblong. Heads few, in leafy 

 racemes ; involucres tomentose 



b. Bay-florets 0. 



Leaves 2in.-6iu. by lin.-2Jin., broadly lanceolate or oblong, narrowed below. 

 Panicle slender. Heads chiefly racemose . . 



Leaves orbicular or suborbicular, 2in.-5in. in diameter. Panicle stout. 

 Branches numerous. Heads corymbose 



Leaves broadly oblong, excessively coriaceous, Jin.-lin. long. Corymbs 

 short. Peduncles short . . 



Leaves ljin.-3in. long, oblong-obovate, narrowed towards the base. Corymbs 

 3in.-6in. long, naked below 



Leaves obovate-lanceolate or spathulate. Heads on slender glabrous pedicels; 

 involucral bracts 8, rigid . . 



7. Leaves crowded, ^in. long, white beiiedth. 

 Heads numerous, solitary, terminal 



21. S. Muelleri. 



22. S. laxifolius. 



23. S. Oreyii. 



24. 8. revolutus. 



25. iS. Adamsii. 



26. S. Monroi. 



27. S. compactus. 



28. S. elaeagnif alius. 



29. S. rotundifolius. 



30. S. Bidwillii. 



31. S. viridis. 



32. S. geminatus. 



33. S. cassinimdes. 



1. S. lagopus, Raoul in Ann. Sc. Nat. Ser. III. ii. (1844) 119, t. 18, 

 and Choix 21, t. 17. Rootstock stout, thickly clothed above with long matted 

 hairs, as is the base of the petiole. Leaves all radical, lin.— Sin. long, usually 

 coriaceous, broadly cordate-oblong, rounded at the tip, entire or crenate or 

 crenulate, rugose and bristly above, densely covered with white wool beneath ; 

 petioles Jin.— 4in. long, stout or slender, villous. Scapes lin.— 12in. high, simple 

 or much branched, glandular-pilose ; bracts few, small, obtuse. Heads solitary 

 or numerous. Pedicels rather slender. Involucre broadly obconic ; involucral 

 bracts oblong, tomentose. Rays Jin.— Jin. long, spreading. Achenes narrow- 

 linear, glabrous. 



NORTH and SOUTH Islands : from the Buahine Mountains to South Canterbury, but often 

 local. Sea-level to 4,000ft. Nov. to Jan. 



Alpine specimens, with almost sessile leaves and solitary heads, are sometimes difficult to 

 distinguish from small states of S. bellidioides. 



2. S. bellidioides, Hook. /., Fl. N.Z. i. 144. Habit of S. layopus, but 

 smaller and more slender. Leaves Jin.-4in. long, membranous or subcoria- 

 oeous, broadly oblong or linear-oblong, entire or crenulate, usually rounded at 

 the apex, narrowed into the slender petiole, glabrate or clothed with white or 

 brownish tomentum beneath, more or less setose above ; petioles usually woolly, 

 rarely glabrous. Scapes very slender, lin.-12in. high, glabrate cottony woolly 

 or glandular-pubescent ; bracts few, linear-acute. Heads solitary or numerous ; 

 involucral bracts broadly oblong, glabrate or tomentose, acute or obtuse. 



