McGrecor: NEW SEED-PLANTS FROM LAKE TAHOE REGION 263 
segments linear-oblong, obtuse, reflexed in fruit, about 3 m 
long: corolla sky-blue with whitish tube, the lobes vectinaalnt 
obtuse, 3 mm. long, about equaling the tube : corolla-appendages 
in outline acorn-shaped, broader than high ; appendage proper, 
corresponding to the cup, retuse above and densely short-papillate ; 
protuberance, corresponding to the acorn, rounded below and not 
projecting inward : anthers attached midway in the tube and just 
reaching to the appendages, oblong, 1 mm. long, with a broad 
hyaline irregular wing extending the full length of each angle, the 
filaments triangular-subulate, concealed by, and less than half as 
aAnAnN.2 
cess S009 
FicureE 2. Lappula Jessicae McGregor ; a, style, 10; 4, corolla laid open, ex- 
posing anthers and appendages, > 6; c¢, single flower, & 5; @, corolla appendage, 
35; ¢, anther, showing hyaline wings, < 35; /, nutlet (ventral view), x 8. 
long as the anthers: style comparatively short and stout ; stigma 
capitate, terminally indented: fruit secund, 5 mm. long; nutlets 
ovate-acuminate, with about 10 marginal prickles and occasional 
smaller ones between, the larger prickles triangular-subulate, about 
1.5 mm. long, all free to the base ; back of nutlets smooth except for 
minute sharp spines uniformly distributed and exactly resembling 
the individual barbs of the glochidiate prickles, and for 1 (or 2) 
glochidiate prickles on the middle of the keel; ventral surface 
glabrous with elliptical central scar from which run radiating lines. 
