740 FABACEAE 
EET n -developed, sometimes exceeding the leaves. 
Plant annual: standard 2-5 mm. lon I. HIRSUTAE. 
la 2 Berenn dle standard 5-12 mm. Jong. 
aceme densely very many-flow II. CRACCAE. 
Raceme loosely fis im "dein or 1- flowered. III. MICRANTHAE, 
Peduncle wanting or very short IV. SATIVAE 
I. U 
Leaflets 12-18: pod pubescent: seeds 2: corolla whitish. 1. V. hirs 
Leaflets 8-12: pod glabrous: seeds 3-8: corolla bluish. 2. V. tae ma. 
II, CRACCAE 
Very diffuse plant: corolla deep-blue or purple. 3. V. Cracca. 
; III. MICRANTHAE 
Racemes $—18-flowere 
Leaflets with blades of an eee type. 4. V. caroliniana. 
Leafle with blades of a linea UTE 
50-6 mm. long: calyx 1.5 mm. long: pod less 
tian 2.5 cm. long. 5. V. Hugeri. 
eae Uns mm. long: calyx 2 mm. long: pod over 2.5 
lon 6. V. acutifolia. 
Racemes I- 6-flox red. 
Peduncles a than the leaflets. 
Leaflets 4 T. V. loridana. 
Leaflets 6-12. 
Leaflets about 5 times as long as broad. 8. V. texana. 
Leaflets less than 3 times BS long as broad. 9. .V. ludoviciana. 
Peduncles shorter than the leaflet 10. V. micrantha. 
IV. Sat 
Corolla mostly over 1.5 cm. long: leaflets " pu upper leaves 
inclined to be elliptic. 1. V. sativa. 
Corolla mostly less than 1. E cm. long: leaflets of the upper 
Jeaves inclined to be lin 12. V. angustifolia. 
1. V. hirsuta (L.) Koch. Leaflets 12-18; blades linear to elliptie, 6—15 mm 
long, e or notched: calyx- Obes su ubulate, ciliate, longer than the Dies 
and keel 2-3 
Me dosi Ra pod 6-8 mm. loue (fae. 
VETCH. TARE. )—-Waste- sig roadsides, 
and fields, various provin Ga. to Ohio 
and N. B. Nat. of Eu. 
2. V. tetrasperma (L.) Moench.  Leaflet 
8-12; s linear to Jinear -elliptic, 8-20 
mm. long, acute or mucronate: calyx-lobes 
lanceolate, tcd EORR ‘than the tube, not 
ciliate: sta ies d and keel 4-5 mm. long: 
vary glabrous: pod 9-12 mm. long.— 
Canons n —Waste-places, fields, and 
oadsides, Blue Ridge and more northern 
provinces, N. C. to Ont. and N. S. Nat. 
f Eu. 
V. s cca ee Leaflets 18-24; bu linear to elliptic-linear, 9-20 m 
bes 
long, acute cronate: calyx 5-6 m long; upper lo deltoid; iue 
lobes xc olds. “abont as lnc. as the iube: rolla pc or De standard 
a ALD mm. long: keel 8-8.5 mm. lon od 2-2.5 e 
CANADA-P VETCH.)—Fields and ie NA e Ridge pe more 
northern vous ^N. C. to B. C., S Ont., and Newf. Nat. of Eu. 
4. V. caroliniana Walt. Eo mat blades elliptic to ~ -elliptie, 1-2 
em. lon E nuce cal lon ng; lobes triangular: corolla white, 
except the ae 2 uud sfandard 9-10 mm. long: keel 5-6 mm. long: pod 
2.5-8 c —(W HOESTRING.)—Woods and thickets, 
various arene Ga. 1 m ‘Kan, "inn "ont. and W N. Y. 
