808 xxviir. RUTACE^. [Boronia. 



stamons (those alternating with the petals) are longer and more distinctly 

 clavate or capitate and glandular at the top thun'the petaline ones. Anthers 

 usually very shortly stipitate, rather below the obtuse summit of the filament. 



The species are nil limited to Ausfcniliii. 



Seuiks I. Valvatae. — Fetak drictlij vahate. Sepals usttalhj valvaie. 

 Sepals as loflg as or longer than the petals, enclosing them in the 

 bud. (Plants tomeutose or pubescent.) 

 Sepals longer than the petals. 



Leaves all simple. Sepals 5 to 6 lines 1. S. grandisepala. 



Leaves mostly or all pinnate. Sepals 3 to 4 lines , , , , 2. B. arfemisuvfolia. 

 Sepals (about 2 lines) of the size of the petals. Leaves pinnate- 



Leatlets sniall^ ovate, niiinerons. Pedicels slender . * . . 4. B . fiVi ci folia . 



liCaflets linear. Pedicels very short %, B, affuiis. 



Sepals much smaller than the petals. 



Jiiilorescence entirely or mostly terminal. 



Cymes terminal, leafy. Leaves pinnate. Flowers large , . 5. B, alata. 

 Flowers small, 1 to 3 together in the forks of sj>reading dicho- 

 tomous stems. Common petiole very short. 

 leaflets usually 5, obovate, about 2 lines, thick, glabrous 



and green on both sides. Flowers almost sessile , , . 6. ^. ahjida. 

 Leaflets 3, obovate-ublong, about 3 lines, pale underneath. 



Pedicels slender . , , 1^ B. Edivardsii, 



Inflorescence entirely axillary. 

 Tcduncles l-flowcred. 

 Leaflets 3, sessile. 



Leaflets small, obovate, coriaceous, flat. 



Leaves glabrous. Peduncles as long as the leaves . . 8. _ff. calophf/Ua. 

 Leaves tonientose. Flowers almost sessile . . , . 9. .B. ternala. 

 Leaflets linear, revolute at the margin. Flowers almost 



sessile 10. ^. ericifoMa, 



Leaflets 3 or more, with a distirict common petiole. 



Leaflets (about 5) linear, thick, but fiat. Flowers gla- 

 brous, minute . 11. B, inconsjncifa. 



Leaflets (usually 5 or 7) obovate or cuneate, glabrous, 



complicate. Flowers tomentose, rather large . , . ] 2. ^. ericfntha. 



Leatiets 7 to 13 or more, small, linear or oblong, the 

 margins revolute. Sepals lanceolate, subulate-acumi- 

 nate . . ^ 13. i?. aiulata. 



Leaflets 3, rarely 5, the margins rccui-yed or revolute, 



tomentose or hoary underneath * \A. B^ hdifoUa. 



Leaves simple. 



Leaves linear or linear-lanceolale. Flowers about 4 lines 14. B. hdlfoVia. 

 Leaves oblong-lauccoiate. Flowers about 2 lines , . . 15. .B. lanceoMa. 

 Peduncles bearing an umbel of several flowers. 



Leaves simple, lanceolate, tomentose uuderneath. Flowers 



- »mftU- • , \ ... 15. B.lanceoMa. 



Leaves nmsllv pinnate, with few distant leaflets. Howers 

 3 to G lines. 



Glabrous or slightly hoary ' ^ . 16. j5 Frascri- 



Softly hirsute or tomentose .-•.*.' ^' * ^ ' I7.' B, mollis. 



Sektks II. Heterandrse.— P^/^/^ imhicaie. Sepoline anthers different from the others, 

 and often imperfect, Stigma n^alty thick and fleshy. Leaves mostly piunale. Leaf 

 lets linear, Fedttncles axillary, \-flowered, 



Sepaline anthers large, black, or purple. 



Glabrous. Leaflets 1 to 3, nearly sessile, heath-like. Petals dark 



purple outside, yellowish inside ..*...*,.,, 18. ^. megastJgma. 



