93 
CISTACEAE, rockrose family 
HELIANTHEMUM, rockrose 
Helianthemum bicknellii Fern., rockrose, frostweed, p. 1066 
*H. canadense (L.) Michaux, rockrose, frostweed (Daoud and 
Wilbur, 1965) 
LECHEA, pinweed 
Lechea mucronata Raf. [S, M: L. villosa Elliott] (Wilbur, 1966), 
p. 1067 
L. racemulosa Michaux, p. 1067 
L. tenuifolia mea p. 1067 
var. tenuifol 
CLUSIACEAE (GUTTIFERAE), 
St. John’s-wort family 
[S, M: HYPERICACEAF] 
ASCYRUM, see HYPERICUM 
HYPERICUM, St. John’s-wort 
[S, G: incl. ASCYRUM] (Adams and 
Robson, 1961) (see also TRIADENUM) 
Hypericum canadense L., see aera taxa 
H. densifloram Pursh, see excluded tax 
H. drummondii (Grev. & Hook.) oe & A. Gray, nits and lice, 
p. 1061 
H. gentianoides ais Britton, Sterns & Pogg., pineweed, orange 
H. maar Engelm. & A. Gray, ar gta St. John’s- 
wort, small St. John’s-wort, p. 1 
S: Steyermark G: Great Plains Flora M: Mohlenbrock 
