Anvillea. — Pallenis, 989 
564. (24.) Anvillea DC. 
Heads many-flowered, discoid; flowers all tubular, perfect. 
Involucre at length woody, outer scales leaf-like, at tip, inner in 
2 rows, appressed, spinescent. Receptacle chaffy. Anthers caudate 
at base. Achenes uniform, 4-sided, bald and umbilicate at tip. — 
Rigid, branching, desert shrubs. 
A small genus in the Mediterranean region. 
1362. Anvillea Garcini (Burm.) DC. Prodrom.V (1836), p.487. 
— Boiss. Flor. Or. UI, p. 181. — Aschers.-Schweinf. Ill. Flor. d’Eg., 
p. 85 no. 517. — Buphthalmum Garcini Burm. Flor. Ind. tab. 60 
fig. I. — Buphthalmum arabicum Del. Fragment, p. 14 tab. 4. — 
Buphthalmum flosculosum Vent. Cels. tab. XXV. — A perennial or 
shrubby plant, 15—45 cm high or sometimes somewhat more. 
Appressed-canescent, branching from base. Leaves obovate-spathu- 
late to oblong-linear, tapering at base, repand or fringed-toothed. 
Peduncles short and thick; outer scales of the involucre spathulate 
at the tip, more or less reflexed, inner rather longer than involucre; 
pales of receptacle truncate at tip, abrubtly bristly-cuspidate. Flow. 
March to April. 
D. 1. Between Alexandria and the Oasis Siwa, in deep sand.- 
Also known from Arabia Petraea, Palestine and Syria. 
565. (25.) Pallenis Cass. 
Heads many-flowered, radiate. Involucre imbricated, outer scales 
spiny-tipped. Receptacle chaffy. Ray-flowers in 2 rows, strap- 
shaped, 3-toothed, tube triquetrous, winged; disk-flowers winged 
on inner side, dilated at the base. Anthers caudate. Achenes hirsute, 
those of ray-flowerets flattened, 2-winged, triquetrous, those of disk 
flattened, triqetrous. Pappus short, crown-like, toothed. — Herbs 
with aspect of Odontospermum. 
A small genus in the Orient. 
1363. Pallenis spinosa (L.) Cass. in Dict. Scienc. Natur. XXXII 
(1825), p. 275. — Boiss. Flor. Or. III, p. 180. — Aschers.-Schweinf. 
Ill. Flor. d’Eg., p. 85 no. 516. — Sickenberg. Contrib. Flor. d’Eg., 
p. 244. — Aschers.-Schweinf. Primit. Flor. Marmaric., p. 652 no. 157. 
— Buphthalmum spinosum L. Spec. Plant. I, p. 1274. — Icon. Sibth. 
and Smith Flor. graec. tab. 898. — An annual herb, 50cm to 1m 
high or rarely somewhat more, hirsute or villous. Lower leaves 
oblong-spathulate, tapering into a petiole, upper lanceolate, sessile. 
Outer scales of the involuce linear-lanceolate, with prominent nerves, 
