448 MR. E. N. "WILLIAMS OS THE GENUS DIANTHUS. 



adpressse ad dimidium calycem. Calyx dentibus lanceolatis 

 acutis. Petala contigua, lamina dentata obovata. 



Hab. Near Caconda, in Angola, Tropical Africa, 14° S. 



Mr. W. P. Hiern, the able monographer of the Ebenaceie, 

 kindly sent me the description of this plant, which is an interesting 

 addition to the species which occur within the tropical zone : the 

 others being D. longiglumis and D. leptoloma in Abyssinia, and 

 D. superbus in South China. — Calyx 16-18 mm. long, 3 mm. 

 diam., teeth 6 mm. long ; lamina of petals 9 mm. long, 5 mm. 

 broad, teeth of lamina 1*25 to 1*43 mm. long. 



Sectio v. Tetralepides leiopetala. 



* 



Bracteae semper 4. Petala integra v. dentata, imberbia 

 Capsula cylindrica. 



Subsectio 1. Hispanioides. 



Caules ramosi. Folia caulina adpressa, vagina folii diam 

 sequante. Bractese atting. ^ calycis tubum. 



# Petala non contigua. 



193. D. HisPA^icrs, Asso, Syn. Stirp. Arag. p. 53 ; W< 



Hisp 



Hisp. iii. p. 690 ; Willk. Ic. et Descr. PL 



Glaber aut scaber, glaucus, basi suffrutescens. Caules 25 

 centim., dichotome ramosi, inferne tetragoni, superne teretes. 

 Folia 20 mm. 3-nervia, plana, radicalia linearia acuminata 

 patentia, reliqua anguste linearia acuta, vagina pallida. Bractese 

 mucronatse adpressae late scariosse, inferiores ovales, superiores 

 obovato-oblongae. Calyx purpurascens apice attenuato, dentibus 

 ovatis obtusis purpureis 7-9-nervis. Lamina obovato-cuneata 

 rosea, =^ unguis. Antherse lineari-ellipticse violacese. Semina 

 lseviuscula. 



a. borealis, Willk. Ic. et Descr. PL Nov. Ear. Hisp. i. p. 16, 

 t. 9 B ; Willk. et Lange, Prodr. Fl. Hisp. iii. p. 690. 

 Caules fere simplices. Lamina integra. 



h. australis, Willk. Ic. et Descr. PL Nov. Bar. Hisp. i. p. 16, 

 t. 9 B ; Willk. et Lange, Prodr. Fl. Hisp. iii. p. 690. 



Caules graciliores saepius pluriflori. Flores minus speciosi. 

 Lamina obtuse dentata. 



