THE FLORA OF THE NOETHEEN TEERITOEY. 145 



28. PTYCHOSEMA, Benth. 



1. P. trifoliatum, F. v. ilf.— Lander Creek, Camp III., G. F. Hill (No. 306), 

 10/6/1911. 



29. TEPHROSIA, Pees. 



Leaflets obovate, oval, elliptical or oblong, the primary veins anastomosing 

 or reticulate within the margin J 



Leaves trifoliolate on petioles of 2 cm. or less. Flowers in short 



racemes. — 17. T. pubescens. 

 Leaflets soUtary or rarely 3, coriaceous. Flowers in small axillary 



clusters. Pod softly tomentose. — 3. T. coriacea. 

 Leaflets soUtary or rarely 3. Flowers sessile in dense head-like 



clusters axillary. — 2i. T. uniovulata. 

 Leaflets mostly 5 to 11, rarely under 1 in. long. Racemes elongated. 

 Plant softly tomentose or silky. Flowers numerous. Calyx 

 4 to 5 Unas long, softly viUous, lobes longer than the tube. 

 — 7. T. flammea. 

 Plant nearly g abrous. Flowers few. Calyx scarcely 2 lines 

 long, the teeth very short. 20. T. reticulata. 

 Leaflets numerous, above |-in. long, glabrous above, silky-pubescent 

 or villous underneath. Racemes long. 



Leaflets ^ to 1 in. long, very silky underneath, the veins reticulate. 



Stipules persistent. Bracts smaU. — 4. T. crocea. 

 Leaflets 1 to 2 in. long, silky-pubescent underneath, the primary 



veins parallel but anastomosing within the margin. Stipules 



very deciduous. Bracts hnear-subulate, long. — 12. T. 



oblongata. 

 Leaflets numerous, not ^-in. long. Racemes long. 



Plant closely pubescent or viUous. Stipules striate, re flexed. 



Leaflets 11 to 19. — 16. T. porrecta. 

 Plant closely sUky -pubescent. Stipules minute, erect. Leaflets 



30 to 40 or more. — 15. T. polj'zyga. 



Leaves all or mostly simple or 1-foliolate. Leaflets long and linear or 

 cuneate-oblong, the veins mostly reaching the margin or irregular. 



Leaves sessile, long, linear-lanceolate, the veins anastomosing. 



Flowers small. — 8. T. graminifolia. 

 Leaflets shortly petiolate, long, narrow-Hnear, without stipeUse. 



Flowers middle-sized. — 22. T. simplicifoha. 

 Leaflets long and narrow-linear, either solitary with 2 stipeUae or 3 



with the middle one sessile or rarely another pair lower down. 



Flowers very small. — 10. T. leptoclada. 

 Leaflets cuneate-oblong, 1 or rarely 3 to 5. Flowers large. — 13. 



T. oligophylla. 



Leaves pinnate. Primary veins of the leaflets oblique, numerous, and 

 parallel. 



Flowers nearly sessile, mostly axiUary. Pod straight, densely and 

 softly viUous. Plant softly tomentose or villous. 

 Flowers not above 2 lines long. Ovide 1. Pod ovate. — 2. T. 



brachycarpa. 

 Flowers about 3 hnes. Ovules 2 or rarely 3. Pod | to f-in. 



long.— 23. T. Stuartii. 

 Flowers about 4 lines. Pod 1 to 1^ in. long. 5. T. eriocarpa. 



