Thesium.] cxx. santalace^ (baker and hill). 431 



51. T. lopoUense, IIier7iin Cat. Afr. PL Welw. i. 937. A perennial 

 herb ; rootstock rather thick, woody ; stems numerous, spreading, 2-8 in. 

 long, much-branched. Leaves scale-like, subulate or lanceolate-subulate, 

 acute or acuminate, concave, about 1 lin. long. Flowers terminating 

 the branches of short axillary leafy shoots; bracteoles 4 or 5, broadly 

 ovate, acuminate, ciliolate, 1 lin. long, forming a small involucre to the 

 flower. Perianth cylindrical, l\ lin. long; lobes J lin. long, lanceolate, 

 obtuse with an incurved apicu^'^s, margins slightly incurved, papillose. 

 Anthers J lin. long; filaments J lin. long. Style | lin. long; stigma 

 capitate. Fruit ovoid, IJ lin. long, |-1 lin. broad, 5 primary ribs 

 prominent, the 5 intermediate ones and the transverse reticulations well 

 developed. 



Xiower Guinea. Angola : Huilla ; in pastures near Lopollo, among the 

 bushes, &c., Welioitsch, 6437! 



52. T. tamariscinum, A. W. Hill in Kew Bulletin, 1910, 188. 

 Undershrub, perennial (?) ; stems glabrous, slender above, flexuose, 

 prostrate or suberect, 8 in. to Ij ft. long, grooved, much-branched; 

 vegetative branches more or less filiform. Leaves reduced to ovate 

 acute scales, J lin. or less long, distant. Flowers solitary at the ends of 

 short leafy branches, \-l\ in. long, with a small involucre of ovate 

 acute or acuminate bracteoles about | lin. long. Perianth | lin. long ; 

 lobes J lin. long, narrowly ovate, hooded, margins inflexed, minutely 

 ciliolate towards the base. Anthers and filaments \ lin. long. Style 

 J lin. long ; stigma capitate. Fruit globose-ovoid, about 1 lin. long, 

 with 5 main ribs and intermediate reticulations. 



Mozamb. Blstr. British Central Africa : Nyasaland; between Kondowe and 

 Karongu, 2000-6000 ft., Whytel Nyika plateau, 6000-7000 ft., Whyte^ 168 ! 



2. OSYRIDICARPOS, A. DC. ; Benth. et Hook. f. Gen. 

 PI. iii. 222. 



Flowers hermaphrodite. Perianth adnate to the ovary and pro- 

 duced above into a cylindrical tube ; lobes 5, valvate, with a tuft of hairs 

 on the face. Stamens 5, inserted below the lobes ; filaments short, 

 slender; anthers ovoid, with 2 parallel cells dehiscing longitudinally. 

 Disk indistinct. Ovary inferior ; ovules 2-8, pendulous from the tip 

 of a flexuose filiform central placenta ; stigma obscurely lobed. Drupe 

 globose, crowned with the persistent perianth. — Undershrubs, with long 

 slender sarmentose sulcate branchlets. Leaves alternate, shortly petioled, 

 oblong or lanceolate, triplinerved. Flowers in terminal racemes pro- 

 duced down into the axils of the leaves, small, green ; bracteoles minute. 

 Species 5, the other in South Africa, all very closely allied to one another. 

 Leaves oblong or lanceolate. 



Lobes of tlie perianth \-\ the length of the tube . i. O. schimperianus. 

 Lobes of the perianth J the length of the tube. 



Leaves pubescent, ^-| in. long , . . . 2. O. scandens. 



Leaves glabrous, 1-2 in. long . . . . 3. O. Kirkii. 



Leaves linear . . . . . . . . 4. O. linearifolius . 



