FABACEAE. 65 



deep-pink: standard about 4 mm. long; blade oval: blades of the other petals 

 elliptic-oblong to narrowly oblong. — Sand-dunes, U. S. keys. — [E. K.] — 

 Prairie-clover. 



' 11. STYLOSANTHES Sw. Herbs. Leaflets 3, pinnate. Flowers of two 

 kinds, the one complete, but sterile, the other without a perianth, but fertile. 

 Calyx 2-lipped: upper lip with 2 broad lobes; lower lip with the middle lobe 

 longer and narrower than the lateral ones. Corolla yellow or orange, persistent: 

 standard with a very broad blade: blades of the wings and the keel-petals 

 auricled, the latter incurved. Loment flat, 1- or 2-jointed, the lower joint 

 empty, the upper one opening at the apex. 



^ ^ ' 1. S. hamata (L.) Taub. Plants decumbent or procumbent: leaflets 7-17 mm. 

 long; blades oblong to oblong-lanceolate: calyx 2-2.5 mm. long: standard 4-5 

 mm. long: pods 2-jointed, the lower joint usually abortive, the terminal one 

 with 1-ribbed sides and a hooked beak. — Pinelands, L. keys. — [E. K.] — {Bah., 

 Cuba, Ant.) 



' ^^ 12. MEIBOMIA Heister. Herbs, shrubs, or vines. Leaflets 3, or rarely 

 1 or 5. Racemes simple or compound. Calyx 2-lipped, sometimes obscurely so, 

 the middle lobe of the lower lip often smaller or narrower and longer than the 

 lateral ones. Corolla variously colored or white: standard with a broad blade: 

 blades of the wings and the keel-petals auricled on one side, short-clawed. 

 Ovary slender. Loment few-several- jointed, usually with hooked hairs. — 

 Tick-trefoil. 



^^,31. M. obtusa (Muhl.) Vail. Stems short-hirsute or minutely pubescent: leaf- 

 lets 1-2 cm. long; blades orbicular-ovate to oval, or suborbicular, sparingly 

 pubescent, especially beneath: lateral calyx-lobes deltoid, acute, the lower lobe 

 lanceolate: standard 4-5 mm. long: stipe of the loment i as long as the joints: 

 joints mostly 2 or 3. — Pinelands, L. keys. — [E. K.] — Beggar 's-ticks. 



13. DOLICHOLUS Medic. Herbs or vines. Leaflets 3 or 1. Flowers 

 perfect and complete. Calyx 2-lipped, the 2 upper lobes more or less united. 

 Corolla yellow: blade of the standard broadened upward: blades of the wings 

 unequally auricled on both sides, the auricles angular: blades of the keel- 

 petals much longer than wide. Pod flat, short. 



Corolla much longer than the calyx. 



Blades of the leaflets obtuse or merely acute : standard short- 

 clawed. 

 Racemes very slender, many-flowered, exceeding the leaves : 



flowers and legumes reflexed. 1. D. minimus. 



Racemes 1-6-flowered, as long as the leaves or shorter. 2. D. parviflorus. 



Blades of the leaflets acuminate : standard long-clawed. 3. D. Swartzii. 



Corolla about as long as the calyx or shorter. 4. D. cinerea. 



yi ' 1. D. minimus (L.) Medic. Stems minutely pubescent: leaflets 0.8-4 cm. long; 

 blades of the lateral ones semi-rhombic, that of the terminal one rhombic- 

 orbicular: lower calyx-lobe subulate: standard 5-6 mm. long; blade orbicular- 

 cuneate: auricles of the wings acute. — Pinelands and thickets, U. keys, L. keys. 

 — [E. K.] — (5a7j., Ctifea, Ant.) 



7''Cp2. D. parviflorus (DC.) Vail. Stems grayish-tomentose : leaflets 1.5-3.5 cm. 

 long; blades elliptic to elliptic-lanceolate or sometimes broader: lower calyx- 

 lobe linear-lanceolate: standard 7-8 mm. long; blade suborbicular: auricles of 

 the wings obtuse. — Pinelands, L. keys. — [E. K.] — (Cuba.) 



"f 3. D. Swartzii Vail. Stems pubescent: leaflets 3-6 cm. long; blades ovate, 

 acuminate, softly pubescent: calyx-lobes lanceolate, unequal, the two upper 

 Flora of Florida Keys 5. 



