DYCKIA. 131 



ovate, J-^ in. long. ' Petals bright yellow, half as long again as 

 the calyx ; blade orbicular, ^ in. broad. Stamens rather shorter 

 than the petals. Styles very short. Capsule -^ in. long. 



Hab. South Brazil, Glaziou 15496 ! Introduced into cultivation about 

 1870. Described from a plant that flowered at Kew, April, 1877. 



4. D. suLPHUREA K. Koch Ind. Sem. Berol. 1873, App. 4, 3. 

 D. gemellaria Hort. (M.D.). — Leaves 30-40 in a dense rosette about 

 a foot in diameter, lanceolate, 4-5 in. long, f-1 in. broad above the 

 clasping base, narrowed gradually to a pungent tip, very thick and 

 rigid, chainielled down the glabrous face, rounded and con- 

 spicuously vertically lineate on the back, the marginal teeth minute 

 and deltoid. Peduncle a foot or more long ; lower bract-leaves 

 lanceolate. Inflorescence a lax simple spike 1-1|- ft. long ; flowers 

 ascending; lower bract-leaves as long as the flower. Sepals 

 oblong, \ in. long. Petals obovate-spathulate, pale sulphur-yellow, 

 half as long again as the calyx. 



Hab. Montevideo. Introduced into cultivation about 1873. Perhaps 

 only a pale-flowered variety of D. brevifolia. 



5. D. BuRCHELLii Baker. — Leaves linear-complicate, very rigid, 

 a foot long, J in. broad at the base, tapering gradually to a pungent 

 point, acutely keeled on the back, the brown hooked marginal 

 spines very minute ; outer rudimentary leaves ovate, chestnut- 

 brown, very thick and rigid. Peduncle very slender, ^ ft. long ; 

 bract-leaves few, remote. Inflorescence a lax 2-6-flowered spike ; 

 rachis glabrous ; flowers ascending ; flower-bracts ovate, as long 

 as the calyx or the lowest longer. Sepals oblong, J- in. long. 

 Petals half as long again as the sepals. Capsule subglobose, ^ in. 

 long and broad ; styles very short. 



Hab. Central Brazil, between San Bento and Eio Cargalho, Burchell 8178 I 



6. D. LiNEARiFOLiA Baker. — Leaves linear, rigid, a foot long, 

 ■J- in. broad at the base of the blade ; spines minute, spreading, 

 black, lanceolate. Inflorescence a lax simple raceme a foot long ; 

 pedicels stout, erecto-patent, y2~s ^^' ^ong ; flower-bracts ovate, 

 ^-J in. long. Sepals oblong, obtuse, -J- in. long. Petals twice as 

 long as the sepals. Style short. 



Hab. South Brazil, St. Hilaire 1010 ! (Herb. Paris). 



7. D. EARiFLORA Schultcs fil. Syst. Veg. vii. 1195. — Leaves 30-40 

 in a rosette, ensiform, 6-9 in. long, ^ in. broad low down, tapering 

 gradually to the point, deeply channelled down the glabrous face, 

 rounded and marked with green and white vertical lines on the 

 back, the apex pungent, the marginal teeth small, spreading, lan- 

 ceolate, brown, rather hooked. Peduncle simple, 1-2 ft. long ; 

 lower bract-leaves with lanceolate free points ; upper ovate, 

 scariose, adpressed. Inflorescence a lax simple spike 6-9 in. long ; 

 rachis glabrous or pubescent ; flowers generally ascending ; flower- 

 bracts ovate, acute, the lower f in. long. Sepals ovate-oblong, 

 ^-ij in. long. Petals half as long again as the calyx, bright orange- 

 yellow. Stamens as long as or a little longer than the petals ; 

 filaments thick and fleshy, connate at the base. 



£2 



