338 XXVIII. nVTACEJE, [P/ieialhm 



\, 



Leaves very small, obcordate or broadly cordate, ailvery-scaly 15. P. obcordatum. 

 Leaves liuear-cuneate, tniucate or emargiuate , . 4 * » 16. P. glandulosum. 

 Leaves oblong or linear, rounded or obtuse at the top, \ to 



11 in. long . 17. P. squamzdosum, 



Calyx-teetb as long as the tabe. (Western species.) 



Leaves narrow-linear, channelled above, keeled nnderncath, 



very glandular ^ • . ^ , . . . . 18. P. tuhercuhsim. 



Leaves small, oblong, with revolute raarginsj coriaceous, 



• shining above 19. P. microphi/Uum. 



Leaves small, oblong, flat, silvery underneath ..... 20. P. Dnanniondii. 



Leaves linear-filiform, hoary-scaly 21. P . Jilifohum , 



Umbels terminal and lateral, loose. Leaves oblong or lanceolate 

 or linear, 1 to 2 in. long or more. 

 Leaves silvery-white underneath. Petals distinctly imbricate, 

 not scaly 22. P. BlUardierL 



Leaves green ou both sides when full-grown. Petals valvatc or 



nearly so, densely scaly ^ . , . 23. P. argenteum. 



Peduncles all axillary, short, 1- to 3-flowercd. Leaves small. 



Leaves ovate, white underneath 24. P. ovaiifolium. 



Leaves obcordate or broadly cuneate, truncate or 2'lobed . . 25. P. rude. 

 Leaves liuear-cuneate, thick, notched or 2-lobed. 



Flowers distinctly pedicellate, about 2 lines long. Leaves 



slightly 2-lobed 26. P. ambit/ carjium, 



Ilovvei's almost sessile, 4 or 5 lines long. Leaves divaTicatcly 



2-Iobed 27. P. Baxteri. 



Sect. 1. Leionema. — Glabrous or pubescent plants -without scurfy scales. 

 Petals strictly valvate, glabrous, 



^ 1. P. p-angens^ Benth. A small rigid, erect or diffuse shrub, -with 

 the aspect of some Epacridcous plants, glabrous or the branches slightly 

 hairy. Leaves linear or linear-lanceolate, rigid, with a strong pungent 

 point, usually \ in. long or shorter, rarely nearly | in., flat, with the mid- 

 rib prominent underneath. Peduncles short, axillary, 1 -flowered. Flowers 

 white, glabrous. Calyx small. Petals rather more than 2 lines long, val- 

 vate. Stamens shorter than the petals; filaments glabrous or slightly ci- 

 liate, somewhat flattened, obtusely contracted at the top into a short stipes; 

 anthers not apiculate. Ovary glabrous. Cocci beaked. — Eriostemon pi^ngenSy 

 Liudl in IMitch. Three Exped. ii. 156; P. Muell. PL Vict. i. 125. 



Victoria. Near Mount ^o^t, MilcJiell ; Murray river and its lower tributaries an3 

 Grampian Mountains, F. Mueller. 



S. Australia. Towards Mount Lofty and Glen Osmond, F. Mtieller. 



2. P. montanum. Hook. Jonrn. Bot. i. 255, and Ic. Fl. t. 59- ^ 

 dwaif, rigid, diffuse or prostrate shrub, glabrous or the branches veiy minutely 

 stellate-pubescent. Leaves crowded, linear, obtuse, rarely above | in. long, 

 thick and nearly terete or very convex underneath and channelled above. 

 Flowers in the upper axils on ver>- short thick pedicels. Sepals very short. 

 Petals about 2 lines long, valvate, glabrous. Stamens not cxserted. Fi^"- 

 tnents glabrous, filiform or slightly flattened. Ovary glabrous, with short, 

 oblong, terminal appendages to the carpels; style glabrous. Cocci very 

 minutely beaked. — Hook, f, Fl. Tasm. i. 63. 



Tasmania. Highest part of tte Western Mountains, Arthur's Lake, etc., at an eleva- 

 tiou of 3500 to 4500 ft., Gumi. 



