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Thcsium.'j santalace^ (Hill). 1-47 



5, T. rigidum (Sond. in Flora, 1857, 354) ; a small much-branched 

 rigid shrub with rigid spine-tipped branchlets ; branchlets divaricate, 

 subterete, scax-oely grooved, glabrous and sometimes slightly glaucous ; 

 bark splitting transversely and peeling off; leaves small and scale- 

 like, ovate or ovate-triangular, acute, about ^ lin. long or less, 

 brownish, with scarious hyaline margins, glabrous ; bracts and 

 bracteoles similar to the leaves but smaller ; flowers solitary or 

 subsolitary, very shortly pedunculate ; perianth | lin. long, with a 

 distinct disc within the base ; segments triangular, subacute, ^ lin. 

 long, slightly hooded, glabrous ; anthers exserted, ^ lin. long ; style 

 about ^ lin. long, reaching to the top of the anthers ; fruits o^ oid, 

 10-ribbed, slightly rugose. T. lineatum^ A, DC, in DO. Prodr, xiv. 

 654, so far as concerns Ecklon & Zef/Jwr^ 39. 



Coast Region : Uitenhage Div. ; Steinbock Flats, north of Winterboeks Bergj 

 near Karreebosch, Ecklon & Zei/her, 39. 1 



6, T. hirsutum (A. W. Hill in Kew Bulletin, 1915, 31); root- 

 stock rather slender, branched ; stems fairly numerous, subsimple, 

 erect, slightly angular, rather densely puberulous; leaves linear, 

 with a very acute cai^tilaginous apex, flattened, 3-6 lin. long, 

 1-nerved, fleshy, scabrid-puberulous on the margin ; flowers arranged 

 in bracteate racemes, solitary in the axils of the bracts; peduncles 

 i-1^ lin. long; bracts adnate to the peduncle up to the base of the 

 flower, usually much longer than (but sometimes equalling) the 

 latter, leaf -like, often puberulous on the midrib as well as the 

 margins ; bracteoles arising from the base of the bract, mostly 

 ( slightly longer than the flower, a little narrower than (but other- 



Avise similar to) the bracts ; flowers about 2 lin. long ; perianth 

 about H lin. long, with conspicuous external glands; segments 

 1 lin. long, hooded, glabrous; anthers ^ lin. long, slightly exserted 

 from the perianth-tube; style |-1 lin. long, reaching to above the 

 tops of the anthers; fruits broadly ellipsoid, 3 lin. long including 

 the persistent perianth, about lO-ribbed, prominently reticulate 

 between the ribs. 



Coast Rkgion : Qneenstown Div. ; Queeiistown plains, 3600 ft.^ Galpin^ 1585 ! 



Central Regiox : Somerset Div. ; near Somerset East, 2S00 ft., MacOican, 



1618 ! Graaff Reiuet Div. : Cave Mountain, 4i00 ft., near Graaff Reinet, 



Bolus, 525 ! 



Kalahaui Region : Orange River Colony ; Leeuw Spruit and Vredefort, 

 Barrett- Hamilton \ Transvaal ; Heidelberg, at Grootvlei Farm, GilJiUan, 244 ! 



7, T, virens (E. Meyer in Drege, Zwei P±i. Documente, 147, 

 226); steins very slender and probcablj trailing, finely grooved, 

 glabrous; branches sparingly leafy, very slender; leaves linear, 

 h-\ in. long, very acute and cartilaginous at the apex, nearly 

 flatj glabrous ; flowers subsolitary, subtended by a bract and two 

 bracteoles ; bract adnate to the peduncle right up to the base of 

 flower, equalling or up to twice the length of the flower, linear, 



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