Nestlera. | COMPOSIT (Harv.) 295 
neath, Inv. loosely imbricate, oblong, the scales broadly oblong, obtuse, mucronulate, 
with a dark brown keel and very wide membranous edges, Pale of recept. keeled, 
equalling the disc., 1-nerved, acuminate. Pappus and fl. not seen by me. The spe- 
cimen in Hb. Thunb. from which I describe is in a very imperfect state. A full 
account of it will be found in Lessing’s work, above quoted. 
CI. NESTLERA, Spreng. 
Heads many-fl., radiate ; ray-fl. female, ligulate ; dise-fl. 5-toothed, 
tubular, perfect. Recept. without palex, either honey-combed or fim- 
briate, Znv. scales imbricate in several rows, the inner scales longer, | 
membranous, arid. Achene beakless, sessile, glabrous or pubescent. 
Pappus short, either a toothed crown, or of several short, separate 
or connate scales. DC. Prod. 6. p. 283. Also, Polychetia, Less. ! Syn. 
371. DC.l.c., pro parte. 
Small, arid, rigid shrublets, rarely herbaceous biennials or annuals. Leaves 
alternate or opposite, sessile, linear or oblong, entire. Flowers yellow. Heads 
solitary, terminal, or in the forks of the branches. Name in honour of some botanist. 
Several of DC’s. sp. of Polychetia have asteroid stigmas, and all other characters of 
Geigeria, under which genus they will be found. 
Invol. scales acute or acuminate : 
Herbaceous ; leaves decurrent, obtuse; inv. scales spreading (1) biennis, 
Shrubby, glabrous; leaves sessile, subulate, pungent ... (2) acerosa. 
Inv. scales obtuse: 
Pappus of several distinct scales: 
Erect, much branched shrubs: 
Leaves ovate-oblong, tomentose, fringed with 
glands, heads solitary Sige Soghe Tenee ees 1 
Lvs. linear-trigonous, canous or nude; heads 
OUR YOO. se Gee eee Oss i 1) 
Prostrate; lvs. linear convolute; heads solitary ... (5) prostrata. 
Pappus coroniform, entire, subentire, or toothed : 
Heads 3-together at the ends of the twigs... ... ... (6) tricephala. 
Heads solitary in the forks or at the ends of the twigs: 
Leaves linear or spathulate, channelled above: 
Lys. loosely woolly; inv. rufous... ...... (7) humilis. 
— pigeons | inv. BS et i +: (8) conferta. 
vs. cobwe or us, § spint- 
ferous; branches spiny ... ... & ... (9) muriculata, 
Leaves linear, flat, appressedly canescent... ... (10) itifoli 
Heads subumbellate ; leaves linear-terete, closely 
involute soer yesh ake 7 ae ge Gt eet ae Ue 
Sect. 1. Potycuzrta (Less.): Pappus of several distinct scales (Sp, 1-5). 
1. N. biennis (Spreng.); stem herbaceous, viscidulous and cobwebbed; 
becoming glabrate ; leaves decurrent, linear, obtuse, glandular and 
cobwebbed; inv. scales much acuminate, greatly longer than the disc-fl. 
spreading at the summit, the outer ones bristle-pointed, squarrose ; 
achenes elongate, 4-sided, longitudinally ribbed and furrowed. Less. / 
Syn. p. 373. DC.! 1, c. 283, also N. reflexa, DC./1.c. Columellea hennis, 
Jacq. Schoenb. t. 301. Stephanopappus reflexus, Less.! in Linn. 234. 
Reihania refleca, Thunb. Cap. 640. 
Has. Cape, Thunberg! Olifant’s River, Drege’ Bellfontein, Langekloof, Dr. 
Wallich! (Herb. Th., D., Hk., Sd.) 
Root fibrous, annual or bennial. Stem erect, corymbosely branched, 6-12 inches 
high. Leaves decurrent, 3-1 inch long, 4 line wide, the younger cobwebbed. All 
