Vol. 45 No. 1 
BULLETIN 
OF THE 
TORREY BOTANICAL CLUB 
ee ee 
JANUARY, 1918 
Studies in the genus Lupinus—lI. The Microcarpi, exclusive of 
Lupinus densiflorus 
CHARLES PIPER SMITH 
(WITH SIXTEEN TEXT FIGURES) 
INTRODUCTION 
‘The subgenus Platycarpos of Watson readily permits separation 
into two groups, the Pusilli of Heller (Muhlenbergia 8: 87. 
1912), or the loosely-flowered small species of the interior of west- 
ern North America; and the Microcarpi (Bull. Torrey Club 44: 
405. 1917), or the verticillate and commonly larger plants of the 
Pacific Slope of both North America and central Chile. 
The published names applied to members of the boc cd i 
are as follows: 
microcarpus Sims, Bot. Mag. 50: Pi 2413. 1823. 
densiflorus Benth. Trans. Hort. Soc. II. 1: 409. 1835. 
Menzies Agardh, Syn. Gen. Lup. 2. 1835. 
palustris Kell. Proc. Cal. Acad. Sci. 5:16. 1873. 
Menzies aurea Kell. ibid. 5:16. 1873. 
lacteus Kell. ibid. 5: 37. 1873. 
luteolus Kell. 1bid. 5: 38. 1873. 
Bridges Gray; Watson, Proc. Am. Acad. 8: 538. 1873. 
malacophyllus Greene, Pittonia 1: 215. 1888 
ruber Heller, Muhlenbergia 2:75. 1905. 
arenicola Heller, ibid. 2:75. 1905. 
horizontalis Heller, ibid. 2: 74. 1905. 
glareosus Elmer, Bot. Gaz. 39: 53. 1905. 
. subvexus C. P. Smith, Bull. j Ses Club 44: 405. 1917. 
{The BULLETIN for December (44: 535-579. pl 25, 26) was issued December 27, 1917.] 
Pe orhrerrr ren 
