ItvsUia.] xcviii. ACANTHACE.E (clarke). 47 



7. R. genduana, C. B. Clarke. More glabrous and more obtuse- 

 leaved than R. prostrata. Middle stem-leaves orbicular. Ovary hairy 

 except the stalk ; 3-5 ovules in each cell. Capsule hairy, entirely as of 

 R. prostrata. — R, sudanica, Lindau in Engl. Jahrb. xx. 15, partly. 

 Dipleracanthus gendvxinus, Schweinf. in Verb. Zool.-Bot. Gesell. Wien. 

 xviii. 680. 



wrile Xiand. Gallabat : banks of the River Gendua, Schweinf artK 131 ! 132 ! 



This species, from its hairy ovary, cannot be united with R. stulanica, unless 

 R. prostrata be united with R. patiila. It might, however, be esteemed a vai-. only of 

 R. prostrata. 



8. R. lineari-bracteolata, Lindau in Ann. Istit. Bot. Roma vi. 

 [1896], 70. Small shrub; branches woody, very slender, white. 

 Leaves 2| by I in., linear, with scattered longish white hairs. Flowers 

 solitary ; bracteoles 2, § by yV in. Calyx i in. long, divided J way 

 down ; teeth linear, sparsely white-hairy. Corolla 1 in. long. Stamens 

 and pollen of the genus. Ovary with deflexed white hairs to the base ; 

 ovules 4 in each cell. Capsule (fide Lindau) § in. long, shortly stalked, 

 white-hairy, perfecting 4 seeds only. 



wile Iiand. Somaliland : Harradigit and Darror, Jamen <C- Thrupp! River 

 Ganane, Riva, 1152 ! 



9. R. discifolia, Oliv. in Hook. Ic. PL t. 1511. Small shrub; 

 innovations densely white-stellate-hairy. Leaves 1 in. in diam., sub-orbic- 

 ular, base truncate, with white stellate tomentum disappearing in age ; 

 petiole f in. long. Flowers solitary ; pedicel 0-1 in. long, axillary ; brac- 

 teoles at top of the pedicel, J in. in diam., orbicular, petiolulate. Calyx- 

 lobes 5, subequal, J in. long, linear, subobtuse, stellate- white- tomentose. 

 Corolla pink, tube 1 J-2 in. long, about -^^ in. in diam. till near top. 

 Stamens and anthers of the genus, pollen honeycombed. Ovary shaggy 

 to the base. — James, Unknown Horn Afr. 321, t. 2 ; Schweinf. k Volk. 

 Liste PI. Somalis, 16. 



wile Iiand. Somaliland : Adda Galla, James (C- Thrupp ! Gooban Plain, Miss 

 E. Cole! Ahl Mountains, 7000 ft., Hildebrandt, 866a ! Ogaden, Riva, 273 ! Jerado, 

 Keller, 190 I 



In the example of Hildebrandt the flowers are sessile in the axils. 



10. R. amabilis, S. Moore in Journ. Bot. 18-^0, 7. Kather thinly 

 hairy with simple (not stellate) hairs. Leaves up to o\ by '21 in., ovate, 

 acute, truncate at the base, thin-textured, undulate-margined, petioles 

 1-1 J in. long, slender. Flowers 3-1, distant, on axillary spikes 2-3 in. 

 long, sessile; bracteoles ^ in. long, linear. Calyx-lobes 5, subequal, 

 exceeding | in. long, linear-ligulate^ subobtuse. Corolla-tube 2 J by 

 Jg- in., dilated only at the very top. Stamens, anthers and pollen as of 

 the genus. Ovary covered with discoid glands nearly to the base; 

 ovules 6 in each cell. Capsule l.in. long, glandular-hairy ; seeds many. — 

 Lindau in Engl. & Prantl, Pflanzenf. iv. 3B. 309, fig. 124, A, B, and in 

 Engl. Pfl. Ost-Afr, C. 368. 



Nile Iiand. British East Africa: Taita; Voi River, Hildebrandt, 2480! Tana 

 River, Thomas, 21 ! 



