634 FABACEAE 
2. Stylosanthes bifldra (L.) B.S.P. Root stout, elongated. Stems several, loosely 
tufted, erect or ascending, 2-5 dm. long, more or less flexuous, villous on one side below 
the stipules, simple or branched above: stipules adnate to above the middle of the petiole, 
their free tips subulate, sparingly ciliate: leaflets 3, the blades elliptic, linear-elliptic, 
lanceolate or oblanceolate, 1-3.5 em. long, mucronate or apiculate, entire, on short pubes- 
cent petiolules, with prominent straight nerves and often whitened beneath : corolla orange ; 
standard suborbicular, but longer than broad, 8 mm. broad, pale orange, notched at the 
apex, short-clawed, the spurs curved ; wings obliquely obovate, 4-5 mm. long, pale-orange, 
with short slender claws and acute auricles; keel-petals sickle-like, greenish, as long as 
the wings: pods 2-jointed, the terminal joint with an almost axile beak. 
In dry or sandy soil, New York to Kansas, south to Florida and Texas. Spring to fall.—A campes- 
trian form, with hirsute stems, is S. biflora hispidissima (Michx.) Pollard & Ball. 
3. Stylosanthes riparia Kearney. Root woody, often 3 dm. long. Stems few or 
several, 1-3.5 dm. long, decumbent, branched, with a line of pubescence below the stipules : 
leaflets 3, the blades elliptic, oblanceolate or cuneate-obovate, 10-18 mm. long or some- 
times shorter, usually rounded at the apex, sometimes truncate, retuse or cuspidate at the 
apex, entire, pale beneath, glabrous except for some marginal hairs, prominently nerved, 
especially beneath : spikes terminating the stem and its branches, about 6-flowered : upper 
and lower flowers usually abortive: corolla orange-yellow ; standard with a blade broader 
than long, about 5 mm. broad, the basal spurs straight ; wings 3.5 mm. long, obovate ; keel- 
petals about as long as the wings: pods 2-jointed, the lower joint small and infertile, the 
terminal joint triangular, 3-3.5 mm. long, excluding the lateral hooked beak. 
In woods and on dry banks, Delaware to Kentucky and Florida. Summer and fall. 
38. CHAPMANIA T. & G. 
Perennial herbs, with upright stems, often branched at the base. Leaves alternate: 
blades unequally pinnate, with subulate stipules : leaflets few. Flowers in terminal racemes 
perfect, but sterile, and imperfect and fertile. Calyx membranous: tube with a stipe-like 
base : four upper lobes united, lower lobe distinct, narrow. Corolla yellow : standard with 
a suborbicular blade: wings oblique, broadest above the middle: keel obtuse, incurved. 
Stamens monadelphous. Anthers alike or nearly so, alternately attached at the base, and 
versatile. Ovary sessile: style slender, elongated. Ovules numerous. Pod elongated, 
nearly terete, the joints longitudinally striate, glandular-roughened. i 
1. Chapmania Floridana T. & G. Foliage hirsute. Stems more or less branched 
at the base, the branches ascending, wand-like or branching, 2-11 dm. tall: leaves 1.5-4 
cm. long, with short petioles: leaflets 5-7, the blades narrowly oblong, oblanceolate, 
cuneate or obovate, 0.5-2 cm. long : racemes 5-15 cm. long: calyx campanulate, 7-10 mm. 
high ; lobes ovate, shorter than the tube: corolla yellow : pods 1-2 cm. long, acute, hispid. 
In sandy pine lands, Florida. Spring and summer. 
39. MEIBOMIA Heister.! 
Herbs, shrubs or vines, with glabrous or pubescent foliage. Leaves alternate: blades 
pinnately 3-foliolate or rarely 1- or 5-foliolate; leaflets stipellate. Flowers perfect, in axillary 
or terminal racemes or panicles, or sometimes in clusters. Calyx with bractlets at the base : 
lobes unequal, the upper two more or less united, the 3 lower forming a larger lip than 
the upper. Corolla of various colors: standard broad, sometimes narrowed into à claw : 
wings oblique, more or less coherent with the obtuse straight or incurved keel-petals. 
Stamens monadelphous or partly diadelphous. Anthers alike. Ovary sessile or stalked. 
Style filiform, incurved or inflexed. Ovules 2-many.  Loment usually exserted from the 
calyx on the stipe or stipe-like base, the joints indehiscent, flat or inflated. [ Desmodium 
Desv.] Tick-TREForL. BEGGAR'S Ticks. ; 
A. Loments constricted into separate rhomboidal or half-rhomboidal joints. 
Loments straight above, deeply constricted below, long-stalked. 
Peduncles arising from the base of the plant. 1. M. nudifiora. 
Peduncles terminating the stems. andiftora. 
Leaves clustered at the base of the peduncle. 2. M. g uciflora. 
Leaves seattered along the stem. $. M. pe 
Loments constrieted above and below : 
a. Constrictions deeper below than above. 
* Stems trailing or reclining. k 
+ Leaflets with suborbicular blades, or if narrower, the racemes axillary. M. arenicola. 
Leaflets mostly less than 2.5 em. long, leathery, the blades glabrate. 4. M. 
aai e over 2.5 cm. long, the blades membranous, pubes- M. Michauzii. 
cent. reque 
e 
! Contributed by Miss Anna Murray Vail. 
