Comrfmlina. 



CXLIII. COMMELINACE.E (CLARKe). 



35 



Kotsckyi. 

 imherhis. 



31. 

 32. 



33. C. Petersii 



3-4. C. Latifolia. 



35. C. cuneata. 



C. fipectahilis. 

 C Cecilce. 



■\-\-\Dissecocarpus. — Capsule uoniaally perfecting 4 seeds, in the two ventral ceils ; 

 the dorsal cell (juite rudimentar}' or absent, only by accident pertecting a seed. 

 Capsule quadrate or oblong, usually constricted between the seeds which are 

 prominent as 4 knobs or elevations from without. 

 jSpathes scattered. 



Seeds smooth or wrinkled or pitted. 



Capsule longer than broad ; seeds cylindric- 

 ellipsoid. 

 Spathe ovate, vei-y broad at the base. 

 Spathes ^-§ in. long 

 Spathes 1 in. long or more 

 Spathe elliptic-acuminate 

 Capsule nearly square ; seeds globose. 

 Leaves oblong to ovate. 



Mature leaves glabrous or very nearly so. 

 Upper leaves rounded, eared or sagittate 

 at the base ..... 



Upper leaves cuneate at the base, qaasi- 

 petioled ...... 



Mature leaves hairy on both surfaces. 

 Spathes f in. long, striate 

 Spathes 1 in. long, not striate, brown- 

 purple ...... 



Leaves linear or linear-ianceolate, often dilated 

 at the very base. 

 Margins of the spathe tree at the base. 

 Spathes A— | in. long. 

 Whole plant hairy 

 Nearly glabrous 

 Spathes 1 in. long or more. 

 Plant nearly stemiess 

 Plant with a leafy stem. 

 Scabrous or glabrate ; 



globose .... 



Shaggy ; seeds ellipsoid, rather large 

 Margins of the spathe united at the base 

 (very shortly so in C. subcacuUata). 

 Spathes very shortly united at the margin 43. 

 Spathes united at the margin for ^-l in. . 44. 

 Seeds ecbinate ....... 45. 



]:]; Spathes approximated at the ends of the branches, apparently in heads. 

 Leaves sessile, oblique, unequal at the base. 



Flowers yellow (or white) : seeds large, cylindric 46. C. capitata. 

 Flowers blue ; seeds small, subglobose . . 47. C. rufociliuta. 

 Leaves with a long quasi-petiole .... 48. C. totigicapsa. 



**MoNOON. — Ovules 1 in each ventral cell of the ovary, 1 or in the dorsal cell. 

 '\ Trithyrocarpus. — Capsule with 3 similar 1-ovuled dehiscent cells, thin and papery 

 when ripe. The third dorsal cell is frequently smaller and sometimes barren 

 or wanting. 

 Spathes solitary, none in clusters. 



Leaves linear ....... 49. C. timlellata. 



Leaves elliptic . . . . . . 50. C. bracteosa. 



Leaves lanceolate . . . . . . 51. C. yuineensis. 



Spathes (or most of them) approximated in clu'sters. 

 Leaves linear. 



36. 



37. 



38. 

 39. 



demissa. 

 mad(((j(iscaiica. 



40. C. hiii/lensis. 



seeds small, 



41. 

 42. 



Carsoiii. 

 Weitvitschii. 



C. suhcucallata. 

 C. neurvphylla. 

 C. echinuspenna. 



