43G 



Lxxxi. coNVOLVULACE.K, [Brewena. 



2. B. media R. Br. Prod. 4SS. ' Pubescent or somewliat silky-liairy. 

 Stems prostrate. * Leaves shortly petiolate, the lower ones ovate-oblong or 

 ovate-lanceolate, obtuse or acute and often somewhat cordate at the base, tlie 

 upper ones lanceolate, acute, rarely above i in. long. Peduncles l-tlowcretl, 

 short, with small bracts at the base. Sepals ovate-lanceolate, subulate-acu- 

 minate, slightly unequal, 2 to 3 lines long. Corolla (white?) under ^ m. 

 long. Ovary hirsute at the top with long hairs. Styles cohering to tiie 



middle, but readily separable to the base.— Chois. in DC. Frod. ix. 4-^3. 



N. Australia- S. Arnhem Bay, B, Brown ; Victoria river, F, Mueller. 



Queensland. Boweu river, Bowman, 



rX. S. Wales, Between Darling river and Cooper's Creek, Neilson. 



Tar. ? parviflora. Stems very sleuJer. Leaves more cordate. Flowers smaller.— ic- 

 toria river, F. Mueller. . 



\2.v.'^ vUlosa, Much more villous. Flowers small.— Victoria river, F, Mueller (tie 

 specimens very imperfect). 



The circumseription of this species and of B. linearis and S. hrevifoUam^J require con- 

 siderable modification when a more complete series of specimens shall he obtamed. 



3. B. brevifolia, Benth, A perennial, witli a thick and hard stock 

 and long, slender, prostrate, pubescent stems. Leaves on short ^ ^^^'^'^ 

 ovate- cordate, acute or the lower ones rounded and more obtuse, rarely a ^ ^ 

 i in. long, glabrous above, more or less hairy underneath. -P^^^J^^ f^^ 

 flowered, shorter than the calyx, witli minute bracts usually ^^^^^^^j^ '^^^^; 

 Sepals lanceolate, acutely-acuminate, hirsute, about 2|- lines long, ^ ^^.^^ „. 

 ecpial Corolla about twice as long as the calyx. Ovary hirsute ^^tn to ^ 

 hairs. Style divided to about the middle, 



BJ. Australia. Port Essington, Armstrovg. 



4. B. rosea, F. Mnelh Fragm. i. 233. Anundershrub or shnd) of 1 to 



2 or even 3 ft., densely tomentose or hirsute with ferruginous ^'^^^'^'^^^^^^^'^^^te 

 on the upper leaves and calyxes. Leaves nearly or quite sessile, ovate o^ ^ 



ipUjidd), solitar/iii'tli"e"'axiisruenrly sessile, larger' than iti ^•^''"/'f^j'j^.es 

 upper one forming a leafy terminal spike with the uppermost noia '^^^^^ 

 very small. Sepals lanceolate, 3 to 4 lines long, the inner ones rnt n^ ^ j^^^ 

 rower than the outer. Corolla-tube Lroad but almost cylindrical.^ tu y a^ .^^^ 

 long, the limb broad, spreading to f in. diameter. Ovary Uirsiue 

 long hairs. Styles fre? from the base. . . 



■W. Australia. Hammersley Hange, N.W. Coast, M. Brown. 

 W. Australia. Murchison river, Oldjield. 



5. B. pannosa, R. Br. Prod. 438. Stems from a pej^'^"^'''.^ '^f or 

 prostrate or twining, the whole plant densely hirsute with soft lerrug' ^^^__^ 

 silky hairs. Leaves on very short petioles, ovate and acute or the lo 

 orbicular and obtuse, tliick and soft, under 1 in. long. Flowers "J^ .^^j^^ 

 Brown), solitnry in the axils or rarely 2 or 3 together, on sliort p ^^^ 

 with a pair of linear bracts about the middle. Sepals very ^i""' ^^es lou?. 

 rest of the plant, the outer ones broadly ovate, acuminate, 4 to 5 im ^-_ 

 the inner ones much smaller, and the innermost onejinear-lanceolu 



