Zornia LEGUMIXOS^E 31 



dispersed through the warmer regions of the world, the rest 

 all tropical American, chiefly Brazilian. 



Leaflets 2. Flowers in spikes ............ 1. Z.diphylla. 



Leaflets 4. Flowers solitary .............. -'. '/., tctraplnjlln . 



1. Z. diphylla PITS. Si/n. it. -'51* (1807) (with var. ciliata Pers.) ; 

 leaflets '1 ; flowers in spikes.- l:-nf!i. in FL Bra*, xv.pt. 1, 80, 

 //. 21, -2-2 ; Griseb. FL 7>Y. IT. I,,<l. 185 : I'rl. Synth. Ant. />. 289. 

 /. reticulata Smitli in ll<>x ('i!clnj>. ./-.r./; /'./:. (1818) ; Macf. Jam. i. 

 2'>1. Hedysarum diphyllum L. Sp. PL 747 (17.V>) : Sw. Obs. Bot. 

 2< S O. Hedysarum minus diphylluni Arc. Sloanc Cat. 73 &, Hist. i. 

 185 ; Hou*t. Cat. MS. f. 62. Onobrychis maderaspatana etc. 

 Pink. Plujt. t. 246, /. 6, Aim. 270. Hedysarum herbaceum 

 procumbens itc. Browne Hist. Jam. 301. (Fig. 9.) Type in Herb. 

 Mus. Brit. 



St. Jago de la Vega, Sloanc Herb. iii. 89! Old Harbour, 

 Liguanea, Brougliton ! dry pastures in south side, Macfadi/ai ; Piirdie ! 

 Wullsclilacgcl ; March ! Prior ; amongst grasses in tbe savanna, Two Mile 

 Wood Pen, St. Catherine, flam's! Fl. Jam. 12,070. Tropics. 



Herbaceous, diffuse or ascending, glabrous or pubescent-villose. 

 Branches short or long, 1-5-4: dm. 1. Leaflets 2, lanceolate, the lower 

 shorter, elliptical, l'5-4 cm. 1. Bracts elliptical to lanceolate, 1-1 '2 cm. 1. 

 Calyx about 3 mm. 1. Corolla yellow; standard - S-1 cm. 1. Pod puberu- 

 lous, reticulate, more or less covered with spines, 2-6-jointed; joints 

 rounded, about 3 mm. 1. 



2. Z. tetraphylla <:ou'h. n<>v. (mm Mich.c.) ; leaflets 4 : flow-r> 

 solitary. Z. myriadena Bentli. in FL lira*, xv. pt. 1, 80 (1859). 

 Z. Sloanei Grist'b. op. cit. 709 (1864). Quadrifolium erectum 

 flore luteo Sloam- Cat. 74 fc Hist. i. 186, t. 116,/. 3. Ornithopus 

 tetraphyllus L. Sijst. ed. 10, 1168 (1759), Amcen. v. 402 & S r . 

 PL ed. 2, 1049. Myriadenus Desv. Jouni. Bot. i. 121, t. 4, /. 11 

 (1813). M. tetraphyllus DC. Pwlr. n. :U6 (1825) : Macf. Jam. i. 

 260. Type in Herb. Mus. Brit. 



Savanna, near Two Mile Wood, Sloanc Herb. iii. 92 ! Cuba, Braxil. 



Stems woody at the base, diffuse, slender, branching, puberulous. 

 Leaflets usually 4 (sometimes 8), 1-1-3 cm. L, or sometimes less near the 

 llowers, oblaiiceolate, apex rounded or retu<<\ -labrous or sometimes 

 puberulous on the margin, dotted with pellucid glands. l\-il uncles one- 

 flowered, solitary in the uppermost axils, 2-3 mm. 1. Jirnct* elliptical, 

 glandular-dotted, ciliolate, 4-5 mm. 1. Calyx about 3 mm. 1. Corolla 

 yellowish, 12-13 mm. 1. Pod glandular-dotted, glabrous or minutely 

 puberulous with stellate hairs, 2-10-jointed ; joints somewhat rectangular, 

 about 2 mm. 1. 



10. DESMODIUM Desv. 



Leaves ] (innately 3-foliolate (reduced i<> a .-ingle leaflet in 

 D.triquetriiin mid D. gangeticum). Stipules striate, dry. Racemes 

 terminal or sometimes also axillary, simple or paniculate. Flowers 

 1, or 2 or more in small clusters along the rhachis, or in a simple 



