36 CXLIII. COMMELINACEE (CLARKE. ) [ Commelina. 
Seeds #1 in. long, smooth . 52. C. aspera. 
Seeds } in. long, transversely wrinkled. . 53. C. mensensis. 
Leaves oblong or elliptic-lanceolate. 
Mature leaves hairy on both surfaces : . 54. C. firma. 
Mature leaves nearly glabrate : : 55. C. Vogelit. 
++ Heteropyris.—Capsule of 3 1-seeded cells, 2-valved ; the dorsal cell indehiscent 
and tough, often rough. 
Spathes all scattered, peduncled. 
Leaves narrowly oblong : : : : - 56. C. Bainesii. 
Leaves broadly elliptic ‘ : : c . 57. C. lagosensis. 
Spathes several together at the ends of the branches. 
Petals {—% in. broad. 
Leaves narrowed at the base; spathes 2-4 on a 
branch. 
Spathes hooked ; seeds large ellipsoid. . . 58. C. albescens. 
Spathes slightly curved ; seeds small globose . 59. C. sphaerosperma. 
Leaves not narrowed at the base ; spathes 10-20 
on a branch : : . 60. C. opulens. 
Petals ? in. broad : : : : : . 61. C. venusta. 
++4Spathodithyros.—Ovary 2-celled ; cells 1-ovuled ; capsule 2-valved, 2-seeded. 
Leaves linear c A : : . - 62. C. Livingstont. 
Leaves elliptic or oblong. 
Seeds ellipsoid ; leaves ovate at the base < . 68. C. Zenkeri. 
Seeds globose ; leaves narrowed at the base. 
Leaves 2-4 in. long, oblong. c : - 64. C. ethiopica. 
Leaves up to 43 in. long, elliptic . : . 65. C. pyrrhoblepharis. 
Leaves 1 tolj in. long . : : : . 66. C. obscura. 
1. C. nudiflora, Linn. Sp. Pl. ed. i. 41, ed. it. 61, not of Linn. 
Mant. Hairy or glabrate. Stems 1-2 ft. long, diffuse, decumbent at 
the base, often rooting at the nodes ; roots fibrous, not thick. Leaves 
1-24 by 4-2 in., lanceolate, narrowed at the base, the quasi-petiole 
very short. Spathes scattered on peduncles 4-2 in. long, simply folded 
(the lower margins of the leaf free or hardly connate), ovate-lanceolate. 
Racemes in each spathe usually 2, the lower 1—3-flowered and rarely 
maturing a capsule, the upper with 3-8 flowers usually maturing 3-! 
capsules. Petals blue or nearly white, ovary with 2 ovules in each 0 
the two anterior cells. Capsule normally 5-seeded, the dorsal 1-seeded 
cell dehiscing later or not at all. Seeds black, reticulated, the hexagonal 
areoles depressed, farinose—C. B. Clarke in DC. Monogr. Phan. iii. 144 
incl. var. /3 werneana, and in Dyer, Fl. Cap. vii. 8; Schoen]. in Engl. 
& Prantl, Pflanzenfam. ii. iv. 64;. Durand & Schinz, Conspect. Fl. Aft. 
v. 427, and Etudes Fl. Congo i. 269; Hook. f. Fl. Brit. Ind. vi. 369; 
Durand & Wild. in Comptes-rendus Soe. bot. Belg. xxxvi. 87, and in Bull. 
Soc. bot. Belg. xxxvii. 128; K. Schum. in Engl. Pf. Ost-Afr. C. 134; 
Hua in Bull. Mus. Hist. Nat. Par. i. 119; Rendle in Cat. Afr. Pl. 
Welw. ii. 74. C. agraria, Kunth, Enum. iv. 38; Webb & Berth. Iles 
Canaries, Phyt. iii. 356, t. 238; Benth. in Hook. Niger Fl. 541. 
communis, Walter, Fl. Carol. 68; Kunth, Enum. iv. 36 excl. sy.) 
C. B. Clarke, Commel. et Cyrt. Beng. t. 1 excl. syn. C. africana ; Benth: 
in Hook Niger. Fl. 541, ef. note. (. werneana, Hassk. in Schweinf. 
