A NEW SPECIES OF QUEENSLAND IRONBARK. 49 



Lignum rubrum, durum et durabile, consuetissimum iu 

 fodinis apud "Chillagoe." 



A tree of 40-50 feet high, with stem-diameter of 18 

 inches to 2 feet. 



Mature leaves linear-lanceolate, from about 6— 14 cm. 

 long, 8 mm. to 1*5 cm. broad, with straight or hooked 

 points, sometimes slightly falcate, greyish-green on both 

 sides, glabrous, midrib distinct, lateral veins rather obscure, 

 and arranged at an angle of about 45 degrees with the 

 midrib, margins usually nerve-like, intramarginal vein close 

 to the edge, oil glands small but numerous, petiole 5 mm. 

 to 1 cm. long. 



Buds globular, calyx-tube hemispherical, 2 mm. long, 



4 mm. in diameter, operculum similar to calyx-tube, ter- 

 minating in short point about '5 mm. long, pedicels about 



5 mm. long, peduncles terete, 5 mm. to VI cm. in the lower 

 portion of the panicle. 



Flowers pedicellate, umbels in terminal panicles or some 

 in the upper axils, with three to seven flowers, anthers 

 small, opening widely laterally, gland at back, filament at 

 base. 



Fruits hemispherical, 3-4 mm. long, 6 — 7 mm. in 

 diameter, rim raised, about 1*5 mm. broad, valves exserted, 

 peduncles 5 mm. to 1*2 cm. long. 



Bark 'hard, rough and furrowed. 



Timber red, hard and durable, much used in the Ohillagoe 

 mines. 



Habitat. — Alma-den, 121 miles by rail westerly from 

 Cairns, tropical Queensland, about 1,600 feet above sea- 

 level, growing on granite formation containing about 68 - 

 70% silica, and known as Ironbark. (No. 3905, collected 

 August, 1913,) 



0— June 6, 1920. 



