246 Clerodendron. 



b. Corolla-tube 2—2.4 cM.; leaves rather coarsely dentate; 

 petioles 14 cM 62. C. Horsfieldii p. 304. 



76. a. Inflorescence a very dense, club-shaped, many-bractcd 



thyrse, 10—20 cM. long, 7—9 cM. wide; bracts leafy; 



corolla-tube 2V2— 3 cM. . 54. C. Rumphianum p. 294. 



b. Inflorescence more or less lax 77. 



77. a. Corolla-tube 1 — IV2 cM 78. 



b. Corolla-tube 2— 2V2 cM : . . 81. 



c. Corolla-tube 27,-3.6 cM 83. 



78. a. LeavesS- 7-lobed;lobeslarge55. Cpaniculatump. 295. 

 b. Leaves not lobed . . 79. 



79. a. Leaf-base deeply sinuate, the two lobes at the side of 



the sinus covering each other; inflorescence and calyx 



scarlet 56. C. coccineum p. 296. 



b. Leaf-base + cordate, the two lobes at the side of the 

 sinus not covering each other 80. 



80. a. Leaves glabrous, with some thick halts above; calyx 



0.8— 172 cM., in flowering-time 0.6 cM. long, ^/g cM. 

 wide; leaves very minutely denticulate 



57. C. Bethuneanum p. 297. 

 b. Leaves denticulate, teeth mucronulate; calyx in flower- 

 time 0.2—0.5 cM. long, 0.3 cM. wide, fruiting 0.6—0.8 

 cM. long 58. C. intermedium p. 298. 



81. a. Calyx 0.25 — V2 cM., pubescent; leaves usually coarsely 



dentate or undulate, upper side with some large hairs 

 and few to many small ones, lower one tomentose. 



59. C. Blumeanum p. 299. 

 b. Calyx (V2— )0.8— 1.2 cM 82. 



82. a. Leaves with sparse, thick hairs above. 



60. C. squamatum p. 302. 



b. Leaves entirely glabrous above. 61. C. illustre p. 303. 



c. Leaves tomentose on both sides. 62. C. Horsfieldii p. 304. 



83. a. Calyx 2-lipped, 1.6 cM.; stamens 7 cM. exsert; a gla- 



brous shrub 63. C. utakwense p. 305. 



b. Calyx regularly 5-toothed, 0.6—0.8 cM.; stamens I72CM. 

 exsert; a pubescent shrub. 64. C. speciosissimum p. 305. 



84. a. Proportion of length and breadth of leaf = 8— 15 : 1. 



65. C. Siphonanthus p. 306. 



