FABACEAE 
I. VIRGINIANAE 
Calyx-lobes lanceolate: foliage pubescent with lax more or 
less spreading hairs 
Calyx-lobes ovate to ‘ovate- un foliage silky or stri- 
hairs strictly appres 
upper ones “ahorter than the tube: 
e leafiets broadly eliptic or obovate. 
Calyxlobes ovate-lanceolate, the upper ones longer than 
II. RUGELIANAE 
Stems clustered on top of a stout woody root: foliage co- 
piously and conspicuously pubescent. 
III. CHRYSOPHYLLAE 
B e pubesce 
icles shorter dun the leaves. 
P icles longer than the leaves. 
Stem finely appressed-pubescent. 
Corolla fully 1 cm. long: pod 3.5—4.5 cm. long: blades of 
the 1 eaflets obovate: 
Corolla less than 1 em. long: pod 2 em. long: blades of 
the leaflets elliptic. 
IV. SPICATAE 
1 or 2 flowers at each node and 
e. 
eaflets spreading; 
he terminal leaflets Him simi 
the later 
im and leaflets densely pubescent with long lax 
irs. 
y pubescent with short hairs: leafiets 
of an oblanceolate, cuneate or 
linear b ne 
mao of the leaflets oblanceolate to cuneate or 
Blades of un leaflets linear, varying to linear- sub- 
ulate o SEE E m upward. 
Panicles END. ium -flow with the flowers often 2-4 
no 
19—25 ; blades V Ad pte or slightly broad- 
b 
ened upward: leaf-rachis hirs 
Leaflets 13-19; oblunceglate to linear- 
elliptic or linear: leaf-rachis strigillose. 
V. PURPUREAE 
leaflets velvety- pubescent. 
; leaflets strigillose or silky. 
cuneate, 
or linear-c anes. rounded or retuse at the apex. 
Pu of the leaflets narrowly linear, acute or acumi- 
tube. 
Calyx lobes manifestly n than the 
1 calyx-lobes slightly 
Standard less than wide: 
longer than the rt be. 
Standard over 1 cm. wide: calyx-lobes nearly or quite 
wice as long as the tube. 
2. 
3. 
ou 
20. 
. C. virginiana, 
C. latidena. 
C. Mohrii. 
. C. Rugelii. 
Rugelis 
C. T 
. C. chrysophytia. 
C. Carpenter. 
C. Chapman. 
C. spicata. 
C. intermedia. 
. C. fleruosa. 
. ©. hispidulo. 
. C. ambigua. 
C. gracillima. 
. C. onobrychoides. 
C. angustifolia. 
. C. corallicola. 
. €. Curtissii. 
. C. angustissima. 
. C. purpurea. 
C. cinerea. 
1. C. virginiana L. Stem 3-6 dm. tall, loose-pubescent: leaflets 11-21; blades 
of the lateral ones 10-30 mm. long, elliptic; rachis mostly villous: calyx 9.5- 
45 
