112 FLOWERS AND INSECTS—XXVI 
Short-tongued Bees (1: 2)—Halict.: Agapostemon viridulus Q, 
c, 2. 
Hypericum punctatum.—Blooms June 26-September 7; 3 vis- 
itors observed, June 29, July 15, 30; Mi, Y. 
Long-tongued Bees (1)—Bomb.: Bombus americanorum 9, c. 
Short-tongued Bees (2, 9, ¢)—AHalict.: Chloralictus pilosus, 
versatus. 
IRIDACEAE 
Iris hexagona.—Blooms June 8-20; 2 visitors observed, June 
10; Ma, R. 
Long-tongued Bees (2)—Bomb.: Bombus americanorum 9, 1; 
Anthophor.: Anthemoessa (, 1. 
Iris versicolor (9:80).—Blooms May 17-—June 14; 10 visitors 
observed, May 20—June 5; Ma, R. 
Long-tongued Bees (5)—Bomb. (¢): Bombias auricomus, sep- 
aratus, Bombus americanorum fq; Hucer.: Tetralonia dilecta ¢ 9, 
se, ab, rosae J. 
Short-tongued Bees (1)—Halict.: Chloralictus versatus 9, ¢, n. 
Lepidoptera (3, n)—Lycaen.: Chrysophanus; Hespert.: Limo- 
chores taumas, Polites. 
Coleoptera (1)—Scarabae.: Trichius piger n. 
Sisyrinchium angustifolium.—Blooms April 18—June 6; 15 vis- 
itors observed, May 10-28; Mi, W. 
Long-tongued Bees (4)—Bomb.: Bombias auricomus 9, sep- 
aratus 2; Megachil.: Osmia pumila 9; Nomad.: Holonomada 
superba <j. 
Short-tongued Bees (7, 2)—Halict.: Chloralictus pilosus se, 
pruinosus, versatus sc, ab, Oxystoglossa confusa se, ab, similis, Sela- 
donia se, fq; Andren.: Opandrena cressonii se. 
Diptera (4)—Syrph.: Helophilus latifrons, Mesogramma mar- 
ginata, Sphaerophoria; Bombyli.: Bombylius atriceps. 
Sisyrinchium gramineum.—Blooms May 11-—July 1; 1 visitor 
observed, May 28; Mi, R. 
Short-tongued Bees (1)—Halict.: Oxystoglossa similis 9, se. 
LABIATAE 
Agastache nepetoides (14:115-6).—Blooms July 24-Septem- 
ber 28; 15 visitors observed, August 2-September 2; Mas, Y. 
Long-tongued Bees (6)—Ap.: Apis ab; Bomb.: Bombias sep- 
aratus ¢ ¥, se, fg, Bombus americanorum ¢ ¥, se, ab, consimilis J, 
fq, impatiens 9, se, ab; Hucer.: Melissodes bimaculata ¢ 2. 
