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Contributed by Museum of Vertebrate Zoology, University of California, Berkeley.
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Transcription
Dates, weather and phenological notes - 1971-1976
For trips into NE extension, Grover Archibald Park, behind FMMA and McLean Gardens in Washington, D. C. by FGEvenden
4/15/71 12-1240 noon Clear, cool breezy
Spice bush in flower on leafless twigs.
May apple spikes 1-4" out of ground. Some unfurling. Most 1-2" high.
Bloodroot - 2 flowers and buds on SE slpe
Onions and daylilies to 12" high Some spring beauty.
4/16/71 Day lilies to 14-16". May apple to 12" hi. 6-7" across, some w/ fl. buds 1/2dia.
box elder, wild berry, roses all starting to leaf.
spring beauty abundant. Foodsteps of spring - few to 6-8" hi - full flower.
Purple violets leaefed and w/ full flower to 4". 1230-130p. 65° windy, clear.
4/20/71 1230-1 p.m. Hi ovc. 65-70 calm.
spicebush flrs about gone. Most leaf budg open
Vinca in flower Purple violets up and open full
Spring beauty- many turned to deep pink, and now being hidden by
Mayapple - all w/ leaves unfurled. Many flower buds. No spikes jst coming up
4/22/71 1230-1 EST. Brkn, 50-55, breezy.
Garlic mustart - Alcaria officinalis. May apple covers 70-75 % of understory,some areas.
4/29/71 1210-12h0 Ovc, 50, breezy. EDST
Maya ple full size, large buds, none open. Maples leafig out.
Spicebush fully leafed. Spring beauty still fresh, but past pink.
Dogwoods in flower. Jack-in-pulpit to 12" or so. Daylilies to 11/2'-no flower spike;
4/30/71 1205-12h5EDST. Brkn, ovc. 50-50, breezy.
5/4/71 12h5-105 Clear, 60, 10-20 mph. Beeches fully leafted
Mayapple some full flowered. Few spring beauty yet, most turned pink
Poison ivy leafig out - shoots to 10" or so. Plume-plant to 18".
White mustard at full ht. and flowering.
5/5/71 Clear 70 light breeze. 11h5-12h5 EDST. Some S lemon Seal to 15"w/flower buds.
violets and spring beauty ab ut gone.
5/18/71 Forest canopy almost full closed - leafed out. Spring beauty all gone.
few mayapple still in flower, most browning andmany missing "fruit"- squirrels??
Grapes leafig out - new stems to 2h", Paulonia in full flower. J-n-pulpit large.
5/20/71 1210-1235 EDST. 75 breezy. Tulip tree flowers flalling. J-n-pulpit dried flowers.
6/1/71 1205-1235 EDST. clear, lt breeze 65. Vegetation in ful leaf.
nightshade in flower. Indian strwaberry in full fruit.
7/21/71 11 -130 pm. Ovc. 80 calm. Stream low but flowing clear. Grapes taking oer.
New aspect - 3' tall of ? 12" tall of ? a mint, w/ hairy bell. Leaves
in whorled pairs, opposit, fruit on spikes. Leaves pointed elliptical.
May apples many down, or yellowed, but fruits hard - green to yel-green.
Sensitive fern and poinson ivy and nettles full grown.
9/24/71 Clear, 60-65, 10mph, 12h0-1 p.m.EDST. Maypaples disappeared.
Some tulip tree leaves down. Witch hazel and some p.ivy turning.
Stream flowing clear. Most forest green. Gray Sq. and Chipmunk.
10/19/71 12h5-105 Clear, breezy, 60-65. Gray Squ-/6. Stream low and clear,w/oily scum some
Grapes turned. Tulip and dogwoodsturning. Sycamore and spice bush still green.
Mushrooms in woods.
11/5/71 12h5-115 p.m. EST. Maple still green. Beach partially turned. Ferns green.
spice bush - some yellow. Papaw and viburnum green. Most big trees almost leafless.
11/18/71 60, light breeze, clear. Most big trees w/o leaves. Much brush still green.
Cleek still flowing well, but oil scum present.
1/18/72 1250-120 EST. Clear, 50-60. Ground frozen. light breeze. ice crusts over most creek.
Few patches of onions, but honeysuckle mainly only green. Gray Sq. out.
4/17/72 1215-12h5 Clear, windy, 70, After he vy rains.
May apples predominate - unfurl ng at 6-1". no flower buds yet.
Onions to 12". Day lily leaves to 18". Spring beauty carpet of flowers.
Footsteps of spring - few - but flowers. Honeysuckle green. Few blodroots,
Few Rubus leaifed out.
4/25/72 1-130 Hi sctd. 10-15 mph. 50. Tulip trees leafing. Small maple
and oaks just unfurling. Elder leafing. Sensitive fern to 6". J-n-pulpit to 6" unfurl
Maymaples wide leaifed w/ flower buds fat. Spring beauty abundant flower.
Some footsteps of spring. Wh. mustard to 15" and flowering.
P. ivvyunfurling, red-green leaves Spice bush leafed. Vinca flowers. Violetts yet.