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ONT AN UNDESCRIBED SPECIES OF ACTINOTUS 

 FROM EASTERN AUSTRALIA. 



By R. T. Baker, F.L.S., Curator, Technological Museum. 

 (Plate iv.) 



AcTiNOTUs Paddisoni, sp.nov. 



A prostrate annual with perennial base, having strong, wiry, 

 slightly pubescent, dichotomous branches which measure one or 

 two feet in length, curving upwards at the ends and radiating 

 from the perennial base. 



Leaves not numerous, stem-clasping, solitar}'- or rarely two at 

 the same node, sometimes over 2 inches long, 3-partite or 2-partite, 

 with linear cuneate or oblong linear, nearly acute segments, 1 to 3 

 lines long, entire or 2- or 3-lobed, almost glabrous above, a few 

 scattered silky plumose hairs on the under surface especially on 

 the midrib and thickened edges. 



Umbels dens©; on stout peduncles measuring 2 to 5 lines long, 

 depressed on the peduncle. Involucre radiating to 9 lines when in 

 flower and to over 1 inch in diameter when in fruit, consisting of 12 

 to 20 lanceolate, acute bracts united for about one-half their 

 length, covered on both sides with silky plumose hairs, nerved or 

 striated from the base. 



Flowers very numerous, almost sessile; pistillate flowers very 

 few, hermaphrodite flowers predominating, often imperfectly 

 developed, having also staminodia. Calyx divided into five acute 

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