P EE N EE E, RAE i A 
Opercularia.] LXI. RUBIACEX. 433 
Glabrous or ua so, small and diffuse or wiry and elongated. 
Leaves and flower-heads small. Seeds broad, » slightly Cer 
xn 9 prominent ribs on the inner face 9. O. vana. 
rn speci 
Stout, A “see or scabrous. 2 sessile, ovate-lanceo- 
late or 1 nceolate. Heads many-flowered . 10. O. rubioides. 
Large, erc vit Eon Leaves BEE long acuminate 
Heads many-flowered . . 11. O. volubilis. 
, hirsute, often flexnous. Leaves ovate o or lanceolate. Heads 
many-flowered . . 12. O. hispidula. 
Erect, much branched, , very hispid not turning black. Leaves 
ovate or lanceolate. Flow echin . 18. O. echinocephala. 
Glabrous, Stems wiry or Gë ate LE narrow or 
small Heads simple, 2- to 5-flowered - + 14. O. apiciflora. 
ui. De vaginata, Labill. Pl. Nov. Holl. i, 34. 4. 46. A perennial or 
undershrub, with erect virgate stems, 6 in. 1 ft. high or rather more, 
Usually glabrous. Leaves linear or S the upper ones often 1 
to 2 m, long, the lower ones sometimes ve ` mall or abortive. Stipular 
sheaths long. Heads globular, compound, o er long erect peduncles, 
rat ath 
Mith or without 2 to 4 linear bracts close under the head. Calyx-lobes su- 
ulate-acuminate. Corolla rarely exceeding them. Seeds small, obovoid- 
iriquetrous, each with 2 concave appendages one on each side, as long as the 
seed, fixed at the upper end and falling with the seed, but readily detached. 
~De, Prod. iv, "is; Bartl. in PL Preiss. i. 369. 
ustralia m King George's Sound, Md wn, Menzies, — to 
Ver, Drumm e Ae Co. ii. uM n. 2429 233; Flinders Bay, 
„Tu some old Speeimens some branches peii ads almost leafless like e of O. api- 
Ts but more rigid, and the fruiting- eet oun 
ag Deen lis, Bartl. in Pl. Preiss. i. 369, Ce Princess Royal Harbour, Preiss, n 
I-A kee I have not ze does not appear, from the description given, to differ from 
Ad, obtusely angular, granular-tuberculose, pe those of O. vaginalis, but 
C. Prod. i 
p the lateral appendages. — 
es 
2 "al obovoid, obtusely Ge or 4-angle S 
S Victoria, Grampians, F. Mueller ; Wem: Dallachy ; Portland, Am Glenelg 
oe n. 
Labillardi?re ; Port Gregory, C do Oldfield. 
den; o. scabrida, Schlecht. Linnea, xx. 604. Erect or a rather 
der, ' Scabrous-pubescent or hirsute. Leaves linear-lanceolate r narrow- 
VOL. rrr. Sandy scrub, Behr; Lofty Ranges, F. Mueller. 
