ACADÉMIE DE GÉOGRAPHIE BOTANIQUB 491 



Bentham formas has characteribus minoris pretii et vix constan- 

 tibus gaudentes mero jureque sub specie una contraxerit. 



Varietatem sequentem offert : 

 Var. thymifolia.4. Cunn. in Bentham FI. Austr. III. 356 (1866). 



Foliis parvis haud plus 3 mm. longis oblongo-linearibus vel 

 lanceolatis acutis marginibus recurvis. 



Moreton Bay, leg. A. Cunningham. 



21. Tr. linearifolia (Cav.) Dont. 



Tr. linearifolia Domin n. comb. 



A\orella linearifolia Cavanilles Icon. vol. V. 57, t. 486 (1799). 

 Trachymene linearis Sprengel Umbell. Spec. 7 (1818). 

 Fischera linearis Sm. in Rees" Cycl. Suppl. XXXIX. (181 9). 



Habitat in Australia in New South Wales. 



Bentham 1. c. dicit : « This species passes almost into Tr. 

 ericoides on the one hand, and the narrow-leaved varieties of 

 Tr. Billardieri on the other.» Tr. linearifolia re vera in formis 

 nonnullis species nominatas revocat, sed a Tr. Billardieri jam 

 foliorum forma, a Tr. ericoidei foliis conspicue longioribus 

 (saepe plus 2 cm.), ramis pro more exacte glabris discedit. 



22. — 24. Tr. Billardieri (species collectiva). 



22. Foliis sessilibus carnosis minutis orbicularibus vel obo- 

 vato-orbicularibus brevissime apiculatis c. 2-4(5) mm. longis 

 horizontaliter patentibus, ramis crebre foliatis denseque 

 breviter pubescentibus, umbellis minoribus breviter pedun- 

 culatis. 



Tr. crassifolia Benth. 



Tr. crassifolia Bentham in Enum. Plant. Hugel 54 (1837). 

 Siebera Billardieri var. crassifolia Bentham FI. Austral. III. 

 357(1866). 

 Habitat in New South Wales. 



23. Foliis coriaceis (nec carnosis) minoribus c. 4-8 mm. longis 

 cuneato-obovatis vel ob apicem brevissime inflexum fere 

 obcordatis rarius obovato-oblongis vel obovato-lanceolatis 

 basi angustatis et in petiolum brevissimum abeuntibus, ramis 



