43 
HYPERICACEAE 
Hypericum [Tourn.] L. St. John’s-wort. 
Ascyron L. Great St. John’s-wort. 
PERFORATUM L. Common St. John’s-wort. 
punctatum Lam. 
ellipticum Hook. 
mutilum L. : 
majus (Gray) Britton. Conway, H. G. Jesup; Springfield. 
canadense L. 
gentianoides (L.) BSP. Orange Grass. Pineweed. 
virginicum L. Marsh St. John’s-wort. 
CISTACEAE 
Helianthemum [Tourn.] Mill. Rockrose. 
canadense (L.?) Michx. Frostweed. 
Lechea (Kalm) L. Pinweed. 
villosa Ell. 
minor L. 
intermedia Leggett. Springfield, L. Andrews. 
maritima Leggett. var. interior Robinson. Training School 
grounds, Springfield, L. Andrews. 
tenuifolia Michx. Southwick, S. Stebbins; Amherst, E. F.. 
Bishop. 
VIOLACEAE 
This genus, Viola, has recently been extensively revised and many 
new species have been added. The tendency to hybridization renders. 
the determination of species difficult. 
Viola [Tourn.] L. Violet. Heart’s-ease. 
pedata L. Bird-foot Violet. 
pedata L. var. lineariloba DC. Springfield, L. Andrews. 
cucullata Ait. 
latiuscula Greene. 
papilionacea Pursh. 
palmata L. 
triloba Schwein. Springfield, L. Andrews. 
sororia Willd. 
septentrionalis Greene. 
fimbriatula Sm. 
sagittata Ait. 
Selkirkii Pursh. 
lanceolata L. Lance-leaved Violet. 
primulifolia L. Primrose-leaved Violet. 
