Thestum,] santalack.k (Hill). ' 18 



+ 



herb, 8 in. high, sparingly branched above; stems deeply grooved, 

 lax; leaves linear, strap-shaped or concave with distinct midrib, 

 4-6 lin. long, acute ; flowers shortly pedicellate, arranged singly or 

 in O'flowered cyraes in the axils of leafy bracts, forming lax terminal 

 inflorescences; bracts linear, concave, acute, 4 lin. long, adnnte to 

 the peduncle for about half its length; bracteoles 2, 1^ lin. long;, 

 perianth 1| lin, long, campaiiulate ; segments | lin. long, with 

 elongated hooded apex about ^ lin. long, and an apical beard of 

 thick hairs; filaments I lin, lung: anthers l lin. loivj; ; style J lin. 

 long ; fruit globose, J lin, in diam., with main ribs and delicate 

 reticulations. Bah'r and Hill !n Bijer, FL Troj). Afr. vi. i. 417. 



ivALAHARi Regiox ; Traiisvaal ; near Potticisters liust, on stony and irrassv Jiills, 

 3700 ft., i?oZ^s, 11008! J b . . 



Also in Tropical Africa. 



93. T. g-ypsophiloides (A. W. Hill in Kew Bulletin, 1915, 30); 

 stems fairly slender, sometimes rather copiously branched, finely 

 libbed, glabrous ; branches slender, spreading ; leaves linear- 

 lanceolate or broadly linear, very acute, -J-1 in. long, uj) to 1} lin. 

 broad or sometimes very narrow, Hat, with a prominent midrib, and 

 minutely serrulate margins, glabrous ; flowers few at the end of the 

 branchlets ; bracts leaf-like, adnate^to the peduncle for nearly half 

 its lengtli, keeled ; bracteoles as long as or shorter than the flowers, 

 acute ; perianth urceolate, swollen in the lower part, -^ lin. long ; 

 segments ovate, subacute, |- lin. long, with a dense apical beard ; 

 anthers partly exserted from the perianth-tube, subpcndant in 

 pocket-like recesses, nearly \ lin. long ; style \ lin. long or less, 

 sometimes reaching to the top of the anthers ; fiuits obiong- 



ellipsoid, 2|- lin. long, 10-ribbed, strongly reticulate between the 

 ribs, 



Eastkrx IIlotox: Xatal ; Umtwalumi, Wood, 573 1 3105! near Vemlam, 

 Mood, 756 ! and without precise loc:ility, Germvd, tt07 ! 

 Kalahari IIegion- : Transvaal : Queens Ri\er Vallev, near Barberton, Galpin, 



758 ! 



91 T. utile (A. W. Hill in Kew Bulletin, 1915, 43); stems few 

 from the apex of an erect slender woody rhizome, strongly ribbed 

 and suleate, glabrous; branches ascending; leaves linear-acicular, 

 acute or subacute, about | in. long, ]-^ lin. broad, with a fairly 

 distinct keeled midrib below, glabrous ; 'flowers solitary or three 

 together in the bract axils at the apex of a short peduncle ; bracts 

 shorter than the flowers, linear, subacute, glabrous, entire; 

 hracteoles about half the length of the bracts but very similar to 

 them; perianth about IJ lin. long; segments elliptic-lanceolate or 

 lanceolate, obtuse, |-1 lin. long, hooded and bearded at the apex, 

 ^vith papillose margins ; anthers exserted from the perianth-tube, 

 I lin. long ; style J-~| lin. long, reaching nearly to the top of the 

 anthers; fruits ellipsoid-ovoid, 3 lin. long, strongly 10-11-ribbed^ 

 slightly reticulate between the ribs. 



