Times Quick Cryptic

[MargoTester]

4a german ok to meet Virginia for coffee ?a??
1a acquire pass. I have put come by?
2d he's covering top of pear tree (if 1a is correct) m?p?e so is it maple. I have never really understood the reference to 'he's' in cryptic crosswords can you explain please

[scorpiojo]

2 yes Ma P(ear) le

[vetuste_ennemi]

ja+VA
ma(p)le

[dannyk13]

4a.Java
1a.Looks ok
2d.Maple( He=male)

[mallyh]

2d ma p le .......top of pear =p in male

[dannyk13]

Margo, why are we in Home and Garden?

[mallyh]

4ja va

[Svejk]

margo cant see the wood for the trees?

[MargoTester]

Thanks scorpiojo vetuste and Danny (cheers for explanation)
That leaves me with:
6d nearly all endless insane round at prison a?c?t??? Alcatraz?
15a war leader's left unbalanced by a naval force ?r?a?a having just typed all that I realise it must be armada!!

[mallyh]

nearly al(l) nearly craz(y) round at

[dannyk13]

YesAlcatraz - Al(nearly all) + at inside Craz(y)

[Svejk]

yes/yes

[MargoTester]

Svejk - brilliant
Danny - as my late lamented mother would have said I was having a silly half hour! And I didn't even have a drink with lunch.
Mallyh - thanks