164 SMITH: STUDIES IN THE GENUS LuPpINUS—VIIF 
River Basin, April, 1901, R. Hopping 97 (BP). Tuolumne 
County: top of Table Mountain, above Rawhide, April, 1919, 
R. S. Ferris t494 (CA, DS). 
Key to the varieties of Lupinus nanus 
Densely sees with many hairs 2-3 mm. long; 
m. long, wings about 10 mm. wide, 
= san y varcuate; pods 6 mm. Pine ovules 
4mm. long, 3m bees ib. var. perlasius. 
Loosely ‘vile or eopren Loi no ue over 
1.5 mm. lon 
Seeds 4-5 mm. ak pods 7-9 mm. wide, 30-50 
mm. long; largest leaflets 7-15 mm. wide, 
ey POE AONE by co. ees Soa ct beeen Ic. var. carnosulus. 
Seeds 1.5-3 5 mm. long; pod 3-6 mm. wide. 
Ovules usually eight to twelve; seeds 1.5-2 mm. 
long, pale flesh-colored, more or less ob- 
scurely marked; pods 3-4 mm. wide...... id. var. Menkerae. 
Ovules usually four to selgin Aas: more); seeds 
2-3.5 mm. long; pods 4-6 mm. wide. 
Flowers 11-16 mm. long; keel usually not 
sttonely icunie 20 3. ee Bore. ta. L. nanus. 
Flowers 6-10 mm. long; keel usually strongly 
* arcuate. 
Seeds. flesh-colored, more or less obscurely 
marked with darker; banner usually wider 
than long, little reflexed, its apex barely 2 
mm. from upper distal united corners of 
Witlg: petalé... 2.62 csi ee a a ee Ie. var. vallicola. 
Seeds gray, much mottled with brown; ban- 
ner as long as wide, well reflexed, its apex 
more than 2 mm. from upper distal united 
comers of witte petaliiics 16664 2. if. var. apricus. 
1b. Lupinus nanus perlasius var. nov. [FicG. 80.]| ” 
planta typico differt pilis pandentibus longissimis, foliis 
congestis et seminibus grandioribus; foliolis novem = undecim, 
20-2 
leguminibus 30-35 mm. longis, 6 mm. latis; saute sex V vel 
septem, 4 mm. longis, 3 mm. latis, linea atra prominen teque. 
Dileding from the typical plant in the very long, spreading 
pubescence, many hairs being 3 mm. long, the congested foliage, 
and the larger seeds: leaflets nine to eleven, 20-25 mm. long by 
3-4 mm. wide; flowers 14 mm. long, wings 9-10 mm. wide, keel 
strongly arcuate; pods 30-35 mm. long by 6 mm. wide, ovules 
six or seven; seeds 4 X 3 mm., with a prominent, dark, lateral 
line. 
