If one is missing any of the elements, the entire Mitzvah is worthless: Succah 34b Doing the Mitzvah with Beautiful Species: Shabbat 133b Reward for keeping the Mitzvah of the 4 Species: Succah 45a-b
Requiring that the species be beautiful: Succah 29b [See Tos. IV]
Using over-ripe or dried-out species: Succah 31a-b
Using the Species for their Mitzvah on Shabbat: Rosh HaShanah 29b; Succah 42b-43a; Megillah 4b
Whether the Species must be your own: Pesachim 38a; Succah 29b-30a, 46b
Whether women perform the Mitzvah [on Shabbat]: Succah 42a
The Mitzvah is during the day: Shabbat 131b
When minors become required in the Mitzvah: Succah 42a
The source for using only [these] 4 species: Succah 31a, 31b
Using the four Species for some personal benefit, during the holiday: Succah 37b
Whether one may move the Species during the holiday: Succah 46b
How to buy the species during a Sabbatical Year: Succah 39a
The Species are items of a Mitzvah, not items of intrisic holiness, and so they may be disposed of after their Mitzvah is over: Megillah 26b
Procedure
How the Mitzvah was done in the time of the Temple: Rosh HaShanah 30a; Succah 41a
Circling the Altar in the Temple: Succah 43b, 45a R' Yochanan ben Zakkai's institution following the destruction of the Temple [as part of the Mitzvah of remembering the Temple: Rosh HaShanah 30a; Succah 41a, 44a
Whether the Above includes taking the willow branch: Succah 44a
How many days the Mitzvah lasts: Succah 42b-43a
Preparation of associated necessities on Shabbat: Shabbat 131a-b; Succah 43a
Taking the species on Shabbat, if the first day is Shabbat: Succah 41b, 42b
Above, in the Temple: Succah 42b-44a, 44b-45a
Time of day for taking the Species: Succah 38a, 43a; Megillah 20b
How the people of Jerusalem used the Species during the holiday: Succah 41b
Whether one must stop in mid-meal to take the Species, if he realizes that he hasn't yet done so: Succah 38a
Which species are in which hand: Succah 37b
Making a Shehechiyanu Blessing: Pesachim 7b
Making a blessing of "Shechiyanu" when preparing he species for one's self: Succah 46a
Wording of the Blessing for the Mitzvah: Pesachim 7b
Why the blessing specifies the Lulav, specifically: Succah 37b
Whether the blessing was made each day during the Temple era, and whether it is daily now: Succah 45b-46a
One fulfills the Mitzvah as soon as one picks up the Species: Pesachim 7b
The Species should be held in the manner in which they grow: Succah 45b
Picking up the Species upside-down: Succah 42a
Picking them up with a Separation in one's hand: Succah 37a-b, 42a; Tos. Pesachim 57a #2
Which hand holds which species: Succah 31b, 37b
Holding the Citron while reciting the Amidah: Succah 41b
Reciting Hallel-Prayer of Praise while holding the Species: Pesachim 95b, 117a
Which parts of prayer require shaking of the Species: Succah 37b
How the Species are shaken, and why: Succah 37b-38a
Beyond the Law
As a reward for not working on Pesach and Succot, & for taking the Species, the Jews merit to destory Esav, to build the Temple, and to see the Messiah: Pesachim 5a
Comparison of the Jews to the Aravah species, which lives near the water, and how they made themselves into an invalid type of Aravah, which doesn't live near the water: Succah 34a
The mitzvah of holding the four species is a prayer for rain: Taanit 2b
