MYRTACE^ 529 



suddenly tapered at the apex into the spine, narrowed to the base 

 where by a slight twist the leaf is turned through an angle of 90, 

 and becomes more or less vertical, that is, with its edges perpen- 

 dicular to the surface of the earth, silky on both surfaces with 

 adpressed hairs. 



Callistemon speciosus, DC. 



Hypocotyl as in C. rigidus. 



Cotyledons rhomboid, obtuse, deep green, and clothed with 

 minute scales ; lamina glabrous, 4'5 mm. long, 4 mm. wide ; 

 petiole 1*5 mm. long. 



Stem woody, erect ; early internodes very short or hardly 

 developed. 



Leaves simple, entire, cauline, alternate, exstipulate, shortly 

 p etiolate, glabrous in the young stage and minutely scaly, deep 

 green, opaque, obscurely alternately penninerved, coriaceous, per- 

 forated with translucent glands ; petioles very short, flattened 

 above. 



Nos. 1 and 2. Opposite, ovate, obtuse. 



U Itimate leaves lanceolate, acute, ascending, placed vertically, 

 trinerved, glabrous, coriaceous, pale green, somewhat reticulated ; 

 petiole very short, twisted, together with base of leaf, through an 

 angle of 90. 



Callistemon Cunninghamii, ? F. Muell. 



Primary root as in other species. 



Hypocotyl short, erect, terete, glabrous, 3-4 mm. long, light 

 green or colourless. 



Cotyledons ovate, obtuse, shallowly trilobed, glabrous, green, 

 one-nerved ; petioles rather long, shallowly channelled on the upper 

 face. 



Stem erect, terete, herbaceous ; 1st internode 1-1-5 mm. long ; 

 2nd, 3rd, 4th, rather longer. 



First leaves simple, entire, cauline (first two opposite), others 

 alternate, ovate-oblong, obtuse, entire, petiolate, exstipulate, 

 glabrous, green, trinerved ; petioles short, flat, shallowly channelled 

 above. 



Melaleuca hypericifolia, Sm. 



Hypocotyl erect, terete, glabrous, red, 5-10 mm. long. 

 Cotyledons ovate or rotund, or minutely emarginate, entire, 

 small, petiolate, glabrous, dark green, indistinctly one-nerved. 



M M 



