Plants Collected in tin 1 Percy Sladen Memorial Expeditions. 411 



white, 6634; crevices of bare rock near summit of Vogelklip, bush 

 2h ft. with slightly succulent leaves, 5935. 



Little Namaqualand : Top of Rattel Poort Mountain. Shrub 3-4 ft., 

 2983. 



Distribution. — Previously known only from the above two 

 districts. 



10. 0. arbuscula, Sch. Bip. in Flora, xxvii. 7b' '. 



Bushmanland : G-neissic kopjes near Niemvefontein, woody, leafless 

 at date of collecting (December 20th, 1908), 3492. 



Khamiesberg : Common on middle and upper slopes of Zuurberg 

 (Auegas), also very common on rocky slopes on Khamiesberg Plateau, 

 bush 3-5 ft,, with aromatic wood, 6261 ; middle and upper northern 

 slopes Reitkloof Mountain, hush 2^ ft. high, 5712; upper south-west 

 slopes of Vogelklip, common from base to summit, 5917. 



Little Namaqualand : Middle slopes of the Rattel Poort Mountain,. 

 bush (leafless) 3-5 ft. high, exuding gum known as '"Hottentot Glue.' 

 2975. 



Distribution. —Previously known only from Clanwilliam and 

 Calvinia Divisions. 



11. 0. perfoliate/,, Jacq. Hort. Schoenb. ii. 61, t. 240. 

 Dorio perfoliate, Thunb. Fl. Cap. ed. Schult. 663. 



Cape: Oliphant's River Mountains; top of mountains behind Baths, 

 semi-succulent, 6966. 



Khamiesberg : Among bushes at head of Khoms Ravine, 6717. 

 Distribution; — Western and extreme South-western Districts. 



12. Othonna divaricata, Hutchinson, sp. nov. (fig. 14) ; affinis 

 P. arborescenti, Linn., sed minus carnosa, pedunculis multo brevioribus 

 differt. 



Frutex divaricatus, 1-1 25 m. altus ; ramuli subdichotome furcati, 

 breves, foliati, parce cano-pubescentes. Folia ambitu oblanceolata, ad 

 basin sensim angustata, parce pinnatifida, apice triangularia, 2-4 cm. 

 longa, 0*7—1 "3 cm. lata, subcarnosa vel coriacea, lobulis lateralihus 

 ovato-triangularibus acutis vel subacutis circiter 3 mm. longis et 2 mm. 

 latis, utrinque glabra, 1-nervia. Capitula axillaria, solitaria, breviter 

 pedunculata, turbinata, discoidea, 1 cm. longa et lata; pedunculi vix 

 1 cm. longi, satis graciles, glabri. Involucri bracteae circiter 6, infra 

 medium liberae, ovato-lanceolatae, subacutae, 0'8 cm. longae, 3 mm. 

 latae, glabrae, margine membranaceae. Pappus florum radii albus, 

 corollae fere aequilongus. barbellatus, florum disci minus copiosus et 



