FLORA AUSTRALIENSIS. 



OuDER LXriI. STYLIDIEJE. 



Ccilyx-tube aduate to tlic ovary, the limb of 5 divisions, all free or more or 

 less united in 2 lips, the upper one consisting of 3? the lower of 2. Corolla 

 usnally irregular, deeply divided into 5 lobes, of wliieh one (the lowest), 

 calldd the lahellnm^ mnch smaller or very dittVrent from the others, or rarely 

 the corolhi as well as the calyx regularly 5- or fi-lobed. Stamens 9^ the fila- 

 ments connate with the style in a column free from the corolla; anthers 

 sessile at the top of the colunm, 3-celled, the cells at length divaricate. 

 Style or stigma terminal, entire or 2-lobed, concealed between the anthers or 

 protruding from them. Ovary 2-celled or 1-celled except quite at the base, 

 with many ovules attached to the centre of the dissepiment, surmounted 

 . frequently by 1 or 2 glands at the base of the style. Capsule opening from 

 the top downwards in 2 valves parallel to the dissepiment. Seeds numerous 

 or rarely solitary by abortion, very small, with a minute embryo in a fleshy 

 albumen. ^ — Herbs or rarely undershrubs. Leaves radical or scattered or 

 collected in whorl-like tufts. Flowers hermaphrodite or very rarely uni- 

 sexual, in terminal racemes or tliyrsoid or corymbose panicles, rarely reduced 

 to spikes or to single flowers, the primary inflorescence usually centripetal, 

 the secondary often or sometimes the whole inflorescence centrifugal, 



A small Order, chiefly Australian, a very few species being found ia tropical Asia, or in 

 New Zealand and Antarctic America, and these all belong to Australian genera except the 

 two species of Udophyllum, Hook. f. The Order is very nearly allied to CampanidacecB^ 

 and some species have quite the habit of some Lobelias^ but they constantly differ in the 

 close union of the illaments with the style. 



Corolla irregular, the 5th lobe or labelluni very different from the 

 others. 

 Column elongated and folded (usually elastic). Labellum small or 



narrow 1, Stylidicm. 



Column erect, usually short, not elastic- Labellum with a hood- 

 shaped lamina covering the aathers or clastically reflexeJ • • . 2. LEVEXHOOKfA. 

 Corolla regular or nearly so, the lobes all similar 3. roiiSTi-.KA, 



1. STYLIDIIXM, Swartz. 



(Forsteropsis, Sand.) 



Calyx-lobes 5, often more or less united in 2 lips. Corolla irregular, 1 



VOL. IT. 



B 



B, 



