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Botany 110
Spring Wildflowers
Last Minute Updates



Date
Brief Message
 3 February 2004 
Lab Theme: Keying Out Three Unknowns.
 4 February 2004 
See Link To Unknown #46 Update: The Lavatera is tentatively identified!
 12 February 2004 
Printing Out Wayne's Word Pages. These suggestions can save you time, paper and toner cartridges.
 17 February 2004 
Lab Theme: Keying Out 3 Unknown Shrubs (One You Should Already Know).
 24 February 2004 
Lab Theme: Keying Out 3 Unknowns In The Mustard Family (Brassicaceae).
See Three Illustrations: Unknown #2, Unknown #3 and Unknown #49.
 2 March 2004 
Lab Theme: Keying Out 3 Unknowns In The Mustard Family (Brassicaceae).
See Three Illustrations: Unknown #1, Unknown #4 and Unknown #5.
Bonus Plant: Jepson Upgrade #1. See Fruits Of The Brassicaceae.
 3 March 2004 
A note about the mustard Cardamine hirsuta at the San Diego Wild Animal Park. This appears to C. hirsuta rather than C. oligosperma, even though C. hirsuta is not listed for San Diego County. See San Diego Natural History Museum Plant Checklist Of San Diego County. In water cress (Rorippa nasturtium-aquaticum), the seeds appear in two rows. They are attached along both margins of the septum as in Cardamine. But in Cardamine, the seeds overlap each other and appear in a single row. See Water Cress.
 6 March 2004 
There is a scheduled field trip for this Saturday (March 6). Please meet in the main parking lot #1 in front of the college at 8:30 A.M. You might want to wear rubber boots or shoes that can get wet or muddy.

Note: Most of the grassy hillsides west of Palomar College where I have taken my botany students for the past 30 years have been destroyed. They contained native California bunchgrasses (Stipa) and numerous bulbous plants, such as the rare chocolate lily, brodiaeas, wild onions, star lilies, wild iris, soap lilies and golden stars. Land developers and the pro-growth City of San Marcos have decimated most of these lovely hillsides of native California grassland and wildlowers. As of February 2004, a few acres have been preserved, and numerous bulbs have been moved to the protected site. See San Marcos Bulb Plants.

 9 March 2004 
Lab Theme: Keying Out 3 Unknowns: 2 Composites & California Lilac.
See Illustrations: Unknown #19a and #19b; also Unknown #10 and #22;
plus one additional unknown chaparral shrub Unknown #28. Refer To:
The Sunflower Family and Fire Followers In San Diego County.
 10 March 2004 
After each Tues class, I post the latest grades in a spreadsheet at Grade Lookup. The Grade Lookup page contains details of my grade scale system. So far in this class, all the grades are based on the unknowns submitted after each lab session. Points are deducted for not including the author's abbreviation, incorrect species, etc. See me during class for a complete breakdown of all the points for the past 7 labs.
 16 March 2004 
Spring Break: No Class Meetings This Week
 23 March 2004 
Keying Out Legume, Annual Sunflower & 3 Annual Grasses. See Legumes
Unknown #50, Unknown #35, Unknown #23 Unknown #15 & Unknown #13
 27 March 2004 
Field Trip To Anza-Borrego Desert Sat. Morning 9:30 A.M.
 30 March 2004 
Read About Origin Of Desert Varnish: See Desert Varnish & Lichen Crust
3 Unknowns: One Annual Grass, One Annual Wildflower and One Shrub.
Unknown #51, Unknown #40, Unknown #27 [Maybe One Bonus Unknown!]
 3 April 2004 
Field Trip To Iron Mountain Sat. Morning 9:00 A.M.
 6 April 2004 
See Cistus Image About Plant Family Classification; Do Crossword Puzzle!
Also read about desert varnish that we saw in Palm Canyon last weekend.
 6 April 2004 
3 Unknowns: One Shrub, One Legume, and One Monocot.
Unknown #27, Unknown #30, Unknown #29 [Maybe One Bonus Unknown!]
 13 April 2004 
(1) Composite Shrub (Upgrade #2), (2) Composite Annual (Unknown #52)
(3) A Mustard (Same Genus As Unknown #49); (4) [One Bonus Unknown?]
 17 April 2004 
Field Trip To Daley Ranch Sat. Morning 9:00 A.M.  [More Details In Lecture]
 20 April 2004 
Tues. Lab: The Identification of Grasses, Sedges and Rushes
Identification of a duckweed, Unknown #53 and Unknown #25
 24 April 2004 
Field Trip To The San Elijo Lagoon Sat. Morning 9:00 A.M.
 Final Exam 
18 May 2004
Identify the families of 10 unknowns with Jepson or your Crossword Puzzle. You may bring your completed Crossword Puzzle to the final. In addition, there will be one unknown to key out: Family-Genus-Species-Author-Common Name.
 27 April 2004 
Tues. Lab: Unknowns In The Euphorbia Family; see Unknown #43; species
in the genus Chamaecyce have C-4 Photosynthesis and are photosynthetically efficient in hot summer weather while other plants shut down;  also another
unknown mustard: a prostrate annual weed with double (twin) silicles; keys out fairly close to the desert mustard Dithyrea californica (spectacle pod).
 1 May 2004 
There is an additional field trip this Saturday. Please meet in the main parking lot #1 in front of the college at 8:30 A.M. We will car pool to the San Marcos Mts. about 6 miles away. From the parking area we will walk to the summit of this very interesting mountain composed of dark gabbro bedrock and reddish Las Posas soils. Several endemic species grow along the crest and upper slopes, including the remarkable southern mountain misery (Chamaebatia australis).
 4 May 2003 
This Meeting Cancelled Due To Field Trips On Saturday May 1 & 8
 8 May 2003 
Field Trip To Cuyamaca & Laguna Mts Saturday 9:30 A.M.
 11 May 2004 
Terminolgy Exam: See The Terminology Crossword Puzzles Turn In Collections: 12 Plants in 12 Different Families, Each Correctly Identified With ID Label. [Mounting Extra Credit]
Final Unknowns
18 May 2004
1. Onagraceae: Oenothera elata ssp. hirsutissima (S. Watson) W. Dietr.
2. Valerianaceae: Centranthus ruber (L.) DC. Red Valerian
 June 2003 

Field Trip To Palomar Mountain Saturday 10:00 A.M. We will hike down the Doane Valley trail into Lower Doane and French Valleys. Meet for breakfast at Mother's Kitchin at the summit of Palomar Mountain at 10:00 A.M. From here we will car pool to the Doane Valley campground parking area in Palomar Mountain State Park. Bring snacks, water and your mountain checklist. Take Hwy 76 east through Pauma Valley toward Lake Henshaw. Turn left at Hwy S-6 and follow the winding road to summit of Palomar Mountain. Turn left at stop sign at summit and proceed about 150 m to Mother's Kitchen. There will be no unknowns to key out!
    

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