f 



ADDENDA AND COP.rilGENDA. 585 



i 



long, externally glabrous Avitli large ovoid external glands bet-\vecn 

 the perianth-segments ; segments ovate, subacute, erect, -^ lin, lonir, 

 hooded, with broad undulate in flexed membranous flaps on the 

 margins embracing the anthers ; aiithers about ^ lin. long, exserted 

 from the perianth-tube ; filaments ^ lin. long ; style thick, ^ lin. 

 long ; fruit immature, ribbed, glabrous. 



Region: S.W. African Protectorate; plains south of Choabeiib, H, IT, W. 

 Pearson, 9447 ! sandy plains north of Aicb, //. //. Jr. l\arson, 9474 ! 



This species should be placed next to T, lacinulatum, A. W. Hill, in the key of 

 the genus on p. 139. The chief points of difference are the glabrous flowers with 

 the undulate lacinuke on the margins of the perianth-segments and the large 

 anthers embraced by the lacinulee. 



52. Thesium capituliflorum (Sond.). Page 168, line 13 from the 



bottom, for Harvey ^ 107, read Ilarvef/, 707, 



euphorbiacej:. 



Page 218, line 24, for Toxicodendron, read Toxicodendrum. 



Page 230, lines 30 and 31, delete : — shrubs or bushes 2-6 ft. high. 

 Page 230 line 33^ after rays 2-12 lin. loner: add: shrubs or 



bushes 2-6 ft. high. 



Page 231, for lines 1-5, substitute ; 



F 



Plants 2-0 in. high, compactly or bushily much branched ; 



involucre glabrous outside : 



Branches alternate and opposite on the same plant, 



smooth ^vhen alivej not drying with a papery whitish 



wrinkled skin ; involucre 1-1;^ lin. in diam. (& see 



65, E. stapelioides) ... i^^) gentilis. 



Branches alternate, verruculosc, drying -with a finely 

 wrinkled whitish papery skin ; involucre 1 lin. 



in diam. (65a) verruculosa. 



Page 232, line 26, for angrana, read Angrse. 

 Page 234, line 4, for arrecta, read mixta. 

 Page 239, line 7, for inelegans, read inornata. 



Page 240, line 3 from the bottom, for infausta, read falsa. 

 Page 283, line 15 from the bottom, for arrectaj read mixta. 



i 



or more thick, apparently extensively creeping underground, giving 

 off erect or ascending shoots dividing at the surface of the ground 

 into a compact cluster of branches 2-3 in. high, glabrous in all 

 parts; branches leatless, succulent, 1-3 in. long, 3-3^ lin. thick, 

 usually bearing a compact irregular cluster of short branchlets 

 at the apical part ; when alive covered with alternate and more or 

 less spirally arranged very obtusely rounded tubercles I— I lin. high, 

 prominent and verruculose all over ; when dried the tubercles 

 almost disappear and the verruculose skin shrivels and has a whitish 

 papillate papery appearance ; leaves practically absent, reduced to 

 very minute rudiments, alternate; male involucres in small sessile 



