414 CXX, SANTALACEH (BAKER AND HILL). [ Thesium. 
Branches long, slender; flowers single . 34. 7. fenarium. 
Branches corymbose; flowers usually in 
cymes . . . 35. 7, cymosum. 
** Flowers usually on long or shor t leafy or Ard oiler y 
branchlets with an involucre of bracteoles. 
4Stems and leaves more or less hairy. 
Peduncles naked, without bracteoles, 
Fruits hairy : p - : ° » 36. TZ. cinereum. 
Fruits glabrous, 
Leaves and perianth-lobes with ciliate 
margins ‘ . 37. T. viride. 
Leaves and perianth-lobes with glabr ous 
margins ; , 3 “ F , 88, T. fuloum. 
Peduncles leafy. 
Peduncles elongate, branched; leaves few . 89. 7. fastigiatum. 
Peduncles short, usually unbranched ; leaves 
crowded. 
Leaves and bracts subulate, acute, short. 
Fruits setulose . . . 40. ZT. strigulosum, 
Fruits glabrous, many- -ribbed . ’ . 41, ZT. fuscum. 
Leaves and bracts elongate, ovate-lanceolate, 
acuminate, 
Leaves slightly sheathing at the base, 
2-24 lin. long; perianth-lobes narrow, 
hooded 5 cj . 42, 7. pilosum. 
Leaves 1-13 lin. long, not cheathauig: 3 peri- 
anth- iobes lanceolate , ° . » 43. 7. lycopodioides- 
++Stems and leaves glabrous. 
Peduncles naked, without leaves. 
Bracts and bracteoles with ciliate margins . 44, 7. unyikense. 
Bracts and bracteoles with glabrous margins. 
Stems square in section, not markedly 
grooved ; perianth-lobes with papillose 
margins : . 45, 7. tetragonum. 
Stems deeply grooved ; perianth- lobes with 
glabrous margins , ° ’ r . 46, T. triste. 
‘Peduncles leafy. 
Leaves of main branches linear, elongate or 
narrowly lanceolate. 
Leaves narrowly lanceolate,acuminate; plant 
becoming black on drying. . 47. T. doloense. 
Leaves linear, acute; plant green “when 
dried . é : + 48.: 7. equisetoides. 
Leaves everywhere reduced to cokes, 
Leaves and bracts  subulate-lanceolate, 
acuminate , ‘ . 49. T. myriocladum. 
Leaves and bracts subnlate, acute. 
Peduncles short; plant wenn black on 
drying . . . 50, 7. atrum. 
sdibere elongate ; plants green ‘when 
ry: 
Branches short, stiff; fruits ovoid, 
13 lin. long . : : . 51. Z, lopollense. 
Branches elongate, Gexnose; fruits 
globose-ovoid, 1 lin. long ° . 52. 7, tamariscinum.- 
