1820 
CXI. PROTEACE.E. 
{Petrophila.. 
2. P. Sliirleyae (after Mrs. J. Shirley), Bail. Bot. Bull. ii. 17. A shrub 
of about 5 or 6ft., branches with a much wrinkled or sulcate purplish-red bark, 
often glossy. Leaves pinnate with 2-3-chotomous pinnae, the segments rather 
slender, terete and grooved above, and the points more or less pungent, the 
petioles nearly of equal length with the divided portion, whole leaf from 4 to 
6fin. long. Cones terminal, solitary, or with 1 or 2 axillary ones close below it 
conical-oblong, 1+ to 3in. long, f to lin. diameter at the base; peduncles 1 to^ 
liin. long, bearing 4 or 5 distant broad-acuminate bracts. Cone-scales much 
broader than long, more or less silky at length nearly glabrous, the elongated 
points deciduous above the base leaving an apiculate point to the scale. Perianth 
silky, yellowish, about 5 lines long ; segments with glabrous points, falling off 
separately. Style-end continuous, fusiform, shortly hirsute. Nut slightly over 
1 line broad, the apex or a little way down glali’ous, the rest clothed with 
spreading silky w T hite hairs. 
Hab: Moreton Island, J. Shirley (in flower and fruit); Fraser Island, H. Tryon (in fruit 
only). 
3. P. pulchella (beautiful), B. Br. in Trans. Linn. Soc. x. 69 ; Prod.. 
364 ; Benth. FI. Austr. v. 332. A shrub of 6 to 8ft., glabrous as well as the 
foliage or minutely pubescent when young. Leaves twice or thrice pinnate, the 
segments numerous, not spreading, terete, grooved above, rather slender and not 
pungent, the whole leaf If to 2fin. long, the petiole as long as the divided part. 
Cones terminal, sessile, solitary or with one or two axillary ones close below it,, 
oblong or cylindrical 1 to lfin. long, and -J- to fin. diameter without the perianths. 
Outer bracts few and small. Cones-scales broad, the outer ones very shortly 
acuminate and pubescent, the inner more silky at the base with lanceolate 
deciduous points, all at length broad hard and glabrous. Perianth silky- 
pubescent, 6 to 7 lines long, the segments falling off separately. Style-end. 
continuous, narrow-fusiform, sparingly and shortly hirsute. Nut broad, 
copiously comose on the margins, more sparingly hirsute on the inner face, 
glabrous on the back. — Meissn. in DC. Prod. xiv. 270 ; Protea puleliella , Schrad. 
Bert. Hannov. 15, t. 7; Cav. Ic. t. 550 ; Bot. Mag. t. 796; Protea fuci folia,. 
Salisb. Prod. 48; Petrophila fucifolia, Knight. Prot. 92; Protea dichotoma , Cav . 
Ic. vi. 34, t. 551. 
Hab.: Stanthorpe. 
4. P. sessilis (sessile), Sieb. in. Poem, and Schult. Sgst. Yeg. iii. Mailt. 262 ; 
Benth. FI. Austr. v. 332. A shrub attaining 8 to 12ft., closely allied to P. 
pulchella , and as suggested by R. Brown, perhaps a variety with a more rigid 
foliage, the segments divaricate and the young shoots hoary-tomentose or almost 
silky. Cones rather broader and shorter. Perianths and style and nuts the 
same. — R. Br. Prot. Nov. 6 ; Meissn. in DC. Prod. xiv. 270 ; P. canescens, A. 
Cunn. in R. Br. Prot. Nov. 6 ; Meissn. l.c. 270. 
Hab.: M'oreton Lay, A. Cunningham, Fraser ; Gladfield, C. J. Gxeyther. 
2. ISOPOGON, R. Br. 
(From isos, equal, and pogon, a beard ; referring to the beard-like fringes 
on the inflorescence). 
Flowers hermaphrodite. Perianth regular, the tube slender, the upper portion 
falling off entire with the 4 linear or oblong segments of the limb, leaving a 
persistent base which finally splits or is cast off as the fruit ripens. Anthers all 
perfect and free, sessile within the segments of the limb, the connective tipped 
with a small appendage. No hypogynous scales. Ovary sessile, with a single 
orthotropous or slightly amphitropous ovule, pendulous from near the apex of the 
cavity. Style filiform, usually more or less dilated or clavate towards the end,. 
